Merge remote-tracking branch 'origin/develop' into claude/fix-issue-3989-db7e45

Signed-off-by: Niels Lohmann <mail@nlohmann.me>

.gitattributes

@@ -0,0 +1,3 @@
+# generated files are collapsed in diffs and excluded from language statistics
+single_include/** linguist-generated
+nlohmann_json.natvis linguist-generated

.github/CODEOWNERS

@@ -1,5 +1,5 @@
 # JSON for Modern C++ was originally written by Niels Lohmann.
-# Since 2013, over 250 contributors have helped to improve the library.
+# Since 2013, over 400 contributors have helped to improve the library.
 # This CODEOWNERS file is only to make sure that @nlohmann is requested
 # for a code review in case of a pull request.
 

.github/CONTRIBUTING.md

@@ -98,7 +98,7 @@ $ ctest --test-dir build -j 10
 The test suite should report:
 
 ```
-100% tests passed, 0 tests failed out of 98
+100% tests passed, 0 tests failed out of <number of tests>
 ```
 
 #### Add tests
@@ -111,6 +111,8 @@ context which existing file needs to be extended, and only very few cases requir
 When fixing a bug, edit `unit-regression3.cpp` and add a section referencing the fixed issue.
 `unit-regression2.cpp` holds the older tests; the two files exist because a single one grew large enough for the
 MinGW linker to fail relocating it, so please keep adding to the smaller file rather than growing the larger one.
+Tests that call `sax_parse` go into `unit-sax_parse.cpp` rather than into a large test file: every call instantiates
+the parser and the binary reader that recover from errors, which grows a test file considerably.
 
 #### Exceptions
 
@@ -149,14 +151,17 @@ make build -C docs/mkdocs          # strict build: fails on broken links, anchor
 make check_mermaid -C docs/mkdocs  # checks the Mermaid diagrams (requires Node.js)
 ```
 
-A new API page also needs an entry in [`docs/docset/docSet.sql`](https://github.com/nlohmann/json/blob/develop/docs/docset/docSet.sql),
-the search index of the docset; `make build` reports missing entries.
+The search index of the docset is generated from [`mkdocs.yml`](https://github.com/nlohmann/json/blob/develop/docs/mkdocs/mkdocs.yml)
+and each page's title (H1) and declaration by
+[`docs/docset/generate_docset.py`](https://github.com/nlohmann/json/blob/develop/docs/docset/generate_docset.py);
+`make build` reports API pages that cannot be classified.
 
 ### Amalgamate the source code
 
 The single-header files
-[`single_include/nlohmann/json.hpp`](https://github.com/nlohmann/json/blob/develop/single_include/nlohmann/json.hpp) and
-[`single_include/nlohmann/json_fwd.hpp`](https://github.com/nlohmann/json/blob/develop/single_include/nlohmann/json_fwd.hpp)
+[`single_include/nlohmann/json.hpp`](https://github.com/nlohmann/json/blob/develop/single_include/nlohmann/json.hpp),
+[`single_include/nlohmann/json_fwd.hpp`](https://github.com/nlohmann/json/blob/develop/single_include/nlohmann/json_fwd.hpp), and
+[`single_include/nlohmann/json_literals.hpp`](https://github.com/nlohmann/json/blob/develop/single_include/nlohmann/json_literals.hpp)
 are **generated** from the source files in the
 [`include/nlohmann` directory](https://github.com/nlohmann/json/tree/develop/include/nlohmann). **Do not** edit the
 files directly; instead, modify the include/nlohmann sources and regenerate the files by executing:
@@ -179,7 +184,7 @@ The amalgamation check in CI fails if any of these generated files is out of dat
 
 ## Recommended documentation
 
-- The library’s [README file](https://github.com/nlohmann/json/blob/master/README.md) is an excellent starting point to
+- The library’s [README file](https://github.com/nlohmann/json/blob/develop/README.md) is an excellent starting point to
   understand its functionality.
 - The [documentation page](https://json.nlohmann.me) is the reference documentation of the library.
 - [RFC 8259](https://datatracker.ietf.org/doc/html/rfc8259) is the reference for the JavaScript Object Notation (JSON)
@@ -218,9 +223,9 @@ feature macros then allows users to test their code against the library in the n
 ### Break C++11 language conformance
 
 This library is designed to work with C++11 and later. This means that any
-[supported C++11 compiler](https://github.com/nlohmann/json/blob/master/README.md#supported-compilers) should compile
+[supported C++11 compiler](https://github.com/nlohmann/json/blob/develop/README.md#supported-compilers) should compile
 the library without problems. Some compilers like GCC 4.7 (and earlier), Clang 3.3 (and earlier), or Microsoft Visual
-Studio 13.0 and earlier are known not to work due to missing or incomplete C++11 support.
+C++ 2013 and earlier are known not to work due to missing or incomplete C++11 support.
 
 Please do not add features that do not work with the mentioned supported compilers. Please guard features from C++14 and
 later against the respective [`JSON_HAS_CPP_14`](https://json.nlohmann.me/api/macros/json_has_cpp_11/) macros.
@@ -236,12 +241,11 @@ extension.
 The following areas really need contribution and are always welcomed:
 
 - Extending the **continuous integration** toward more exotic compilers such as Android NDK, Intel's Compiler, or the
-  bleeding-edge versions Clang.
-- Improving the efficiency of the **JSON parser**. The current parser is implemented as a naive recursive descent parser
-  with hand-coded string handling. More sophisticated approaches like LALR parsers would be really appreciated. That
-  said, parser generators like Bison or ANTLR do not play nice with single-header files -- I really would like to keep
-  the parser inside the `json.hpp` header, and I am not aware of approaches similar to [`re2c`](http://re2c.org) for
-  parsing.
+  bleeding-edge versions of Clang.
+- Improving the efficiency of the **JSON parser**. The current parser is a hand-written iterative parser that keeps an
+  explicit stack instead of recursing, with hand-coded string handling. Speeding up the lexer or the value construction
+  would be appreciated. Parser generators like Bison or ANTLR do not play nice with single-header files -- I really
+  would like to keep the parser inside the `json.hpp` header.
 - Extending and updating existing **benchmarks** to include (the most recent version of) this library. Though efficiency
   is not everything, speed and memory consumption are very important characteristics for C++ developers, so having
   proper comparisons would be interesting.

.github/ISSUE_TEMPLATE/bug.yaml

@@ -52,7 +52,7 @@ body:
         If possible, provide a small and self-contained example that triggers
         the bug. Please understand that we cannot analyze and debug large code
         bases. Please do not paste screenshots here.
-      render: Shell
+      render: cpp
   - type: textarea
     id: output
     attributes:
@@ -79,7 +79,7 @@ body:
       description: >
         Which version of the library did you use? If it is a released version,
         please enter the version number (e.g., 3.12.0). Otherwise, please enter
-        the commit hash. If you got the library from another source as the
+        the commit hash. If you got the library from another source than the
         GitHub repository (e.g., via a package manager), please also state
         this.
     validations:

.github/labeler.yml

@@ -21,6 +21,17 @@ labels:
   files:
     - "cmake/.*"
 
+# other build systems
+- label: "CMake"
+  files:
+    - "(meson\\.build|meson_options\\.txt|BUILD\\.bazel|MODULE\\.bazel|Package\\.swift)"
+
+- label: "documentation"
+  files:
+    - ".github/ISSUE_TEMPLATE/.*"
+    - ".github/config\\.yml"
+    - ".github/(CONTRIBUTING|SECURITY|CODE_OF_CONDUCT|PULL_REQUEST_TEMPLATE)\\.md"
+
 - label: "CI"
   files:
     - ".github/workflows/.*"

.github/workflows/check_amalgamation.yml

@@ -83,8 +83,7 @@ jobs:
           # byte for byte), so there is nothing to gain from checking out a
           # separate copy, and doing so would make this step fail on a PR
           # that adds support for a new dispatch table until that PR itself
-          # merges to develop, the same way generate_natvis.py's --version
-          # requirement briefly did.
+          # merges to develop.
           TMPDIR=$(mktemp -d ./macro_builder_check.XXXXXX)
           c++ -std=c++11 tools/macro_builder/main.cpp -o "$TMPDIR/macro_builder"
           "$TMPDIR/macro_builder" > "$TMPDIR/paste.hpp"
@@ -117,7 +116,6 @@ jobs:
 
           python3 $TOOL_DIR/amalgamate.py -c $TOOL_DIR/config_json.json -s .
           python3 $TOOL_DIR/amalgamate.py -c $TOOL_DIR/config_json_fwd.json -s .
-          cp include/nlohmann/json_literals.hpp $INCLUDE_DIR/json_literals.hpp
 
           # the header list of the Bazel "json" target must match the files in include/
           cmake -P cmake/scripts/gen_bazel_build_file.cmake
@@ -138,17 +136,13 @@ jobs:
           ${{ github.workspace }}/venv/bin/astyle --project=tools/astyle/.astylerc --suffix=none --quiet \
             $(find $SOURCE_DIRS -type f \( -name '*.hpp' -o -name '*.cpp' -o -name '*.cu' \) -not -path 'tests/thirdparty/*' -not -path 'tests/abi/include/nlohmann/*' | sort)
 
+          # json_literals.hpp is copied verbatim from the (now formatted) include/
+          # directory, like `make amalgamate` does
+          cp include/nlohmann/json_literals.hpp $INCLUDE_DIR/json_literals.hpp
+
       - name: Regenerate nlohmann_json.natvis
         run: |
           cd $MAIN_DIR
-          # Pass --version explicitly so this step also works with the tool
-          # copy from develop before this repository's own generate_natvis.py
-          # learns to derive the version itself: the older script requires
-          # --version, and the newer one accepts it as an explicit override.
-          ABI_MACROS=include/nlohmann/detail/abi_macros.hpp
-          VERSION_MAJOR=$(grep -m1 'define NLOHMANN_JSON_VERSION_MAJOR' $ABI_MACROS | grep -o '[0-9]\+')
-          VERSION_MINOR=$(grep -m1 'define NLOHMANN_JSON_VERSION_MINOR' $ABI_MACROS | grep -o '[0-9]\+')
-          VERSION_PATCH=$(grep -m1 'define NLOHMANN_JSON_VERSION_PATCH' $ABI_MACROS | grep -o '[0-9]\+')
           # The template is what this check verifies the committed natvis
           # file against, so take it from this PR rather than from the
           # develop checkout: generate_natvis.py loads the template from its
@@ -156,7 +150,7 @@ jobs:
           # template could never pass. Like the macro_builder step above,
           # this only renders PR content in a job without credentials.
           cp tools/generate_natvis/nlohmann_json.natvis.j2 $NATVIS_TOOL_DIR/
-          python3 $NATVIS_TOOL_DIR/generate_natvis.py --version "$VERSION_MAJOR.$VERSION_MINOR.$VERSION_PATCH" $MAIN_DIR
+          python3 $NATVIS_TOOL_DIR/generate_natvis.py $MAIN_DIR
 
       - name: Build patch and check for differences
         id: diff
@@ -165,7 +159,7 @@ jobs:
           mkdir -p ${{ github.workspace }}/patch
           git diff --patch --no-color > ${{ github.workspace }}/patch/amalgamation.patch
           if [ -s ${{ github.workspace }}/patch/amalgamation.patch ]; then
-            echo "The source code has not been amalgamated/formatted correctly or BUILD.bazel is out of date. Diff:"
+            echo "The source code has not been amalgamated/formatted correctly, or BUILD.bazel, nlohmann_json.natvis, or the macro_builder tables in macro_scope.hpp are out of date ('make amalgamate BUILD.bazel natvis' fixes all but the tables, see tools/macro_builder/README.md). Diff:"
             cat ${{ github.workspace }}/patch/amalgamation.patch
             echo "has_diff=true" >> "$GITHUB_OUTPUT"
           else

.github/workflows/comment_check_amalgamation.yml

@@ -96,7 +96,7 @@ jobs:
               issue_number: issue_number,
               owner: context.repo.owner,
               repo: context.repo.repo,
-              body: '## 🔴 Amalgamation check failed! 🔴\nThe source code has not been amalgamated and/or formatted correctly, or `BUILD.bazel` is out of date.'
+              body: '## 🔴 Amalgamation check failed! 🔴\nThe source code has not been amalgamated and/or formatted correctly, or `BUILD.bazel`, `nlohmann_json.natvis`, or the macro_builder tables in `macro_scope.hpp` are out of date. `make amalgamate BUILD.bazel natvis` fixes all but the tables (see `tools/macro_builder/README.md`).'
                     + (hasPatch ? '\n\n📎 A ready-to-apply patch is attached to the [failed workflow run](' + runUrl + ') as the `amalgamation-patch` artifact.'
                                   + ' Download it, then apply it locally from the repository root with:'
                                   + '\n\n```shell\ngit apply amalgamation.patch\n```\n\n'

.github/workflows/publish_documentation.yml

@@ -15,6 +15,7 @@ on:
       - .github/SECURITY.md
       - cmake/clang_flags.cmake
       - cmake/gcc_flags.cmake
+      - include/nlohmann/detail/abi_macros.hpp
       - tests/fmt_formatter/project/main.cpp
       - tools/astyle/.astylerc
   workflow_dispatch:

.github/workflows/ubuntu.yml

@@ -109,7 +109,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        target: [ci_test_amalgamation, ci_test_single_header, ci_cppcheck, ci_cpplint, ci_reproducible_tests, ci_non_git_tests, ci_offline_testdata, ci_reuse_compliance, ci_test_valgrind]
+        target: [ci_test_single_header, ci_cppcheck, ci_cpplint, ci_reproducible_tests, ci_non_git_tests, ci_offline_testdata, ci_reuse_compliance, ci_test_valgrind]
     steps:
       - name: Harden Runner
         uses: step-security/harden-runner@e14015d583714f6e62063499dc959a02595150a1 # v2.21.1
@@ -117,6 +117,7 @@ jobs:
           egress-policy: audit
 
       - name: Install Valgrind
+        if: matrix.target == 'ci_test_valgrind'
         run: sudo apt-get update ; sudo apt-get install -y valgrind
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
@@ -279,7 +280,7 @@ jobs:
           persist-credentials: false
       - name: Get latest CMake and ninja
         uses: lukka/get-cmake@fffaaafeea488556c2c12dad60690008bc1caacb # v4.4.2
-      - name: Set env FORCE_STDCPPFS_FLAG for clang 7 / 8 / 9 / 10
+      - name: Disable filesystem support (std::filesystem is unusable) for clang 7 / 8 / 9 / 10
         run: echo "JSON_FORCED_GLOBAL_COMPILE_OPTIONS=-DJSON_HAS_FILESYSTEM=0;-DJSON_HAS_EXPERIMENTAL_FILESYSTEM=0" >> "$GITHUB_ENV"
         if: ${{ matrix.compiler == '7' || matrix.compiler == '8' || matrix.compiler == '9' || matrix.compiler == '10' }}
       - name: Run CMake

.github/workflows/windows.yml

@@ -166,6 +166,13 @@ jobs:
       # link, but the binaries clang 11.0.1 and clang 18.1.8 then produce crash
       # before doctest prints its first line - 39 of 102 tests on clang 18.
       # Keep the objects small by splitting the test files instead.
+      # Objects with more than 65535 sections fail to link with "relocation
+      # truncated to fit: IMAGE_REL_AMD64_REL32 against `.rdata'": the MinGW
+      # linker stores the section an associative COMDAT section belongs to in
+      # 16 bits (x_associated in binutils' include/coff/internal.h), so it
+      # discards the jump tables of inline functions together with the wrong
+      # function. Each basic_json specialization a test file instantiates adds
+      # many sections, so test a second one in a file of its own.
       - name: Run CMake
         run: cmake -S . -B build ^
              -DCMAKE_CXX_COMPILER="C:/Program Files/LLVM/bin/clang++.exe" ^
@@ -180,7 +187,7 @@ jobs:
       - name: Test
         run: cd build ; ctest -j 10 -C Debug --output-on-failure
 
-  clang-cl-12:
+  clang-cl:
     runs-on: windows-2022
     strategy:
       matrix:
@@ -210,8 +217,10 @@ jobs:
         uses: lukka/get-cmake@fffaaafeea488556c2c12dad60690008bc1caacb # v4.4.2
         with:
           cmakeVersion: 4.3.4
+      # CMAKE_CXX_FLAGS replaces CMake's MSVC defaults (which include /EHsc), and
+      # ci_module_cpp20 forwards it to the module build, so list /EHsc explicitly
       - name: Run CMake (Debug)
-        run: cmake -S . -B build -G "Visual Studio 17 2022" -DJSON_CI=ON -DCMAKE_CXX_FLAGS="/permissive- /std:c++latest /utf-8 /W4 /WX"
+        run: cmake -S . -B build -G "Visual Studio 17 2022" -DJSON_CI=ON -DCMAKE_CXX_FLAGS="/permissive- /std:c++latest /utf-8 /EHsc /W4 /WX"
       - name: Build
         run: cmake --build build --config Debug --target ci_module_cpp20
         

.gitignore

@@ -27,7 +27,6 @@
 /docs/docset/JSON_for_Modern_C++.tgz
 /docs/docset/docSet.dsidx
 /docs/mkdocs/.cache/
-/docs/mkdocs/docs/__pycache__/
 /docs/mkdocs/hooks/__pycache__/
 /docs/mkdocs/scripts/mermaid/node_modules/
 /docs/mkdocs/site/
@@ -47,3 +46,17 @@ nlohmann_json.spdx
 
 # Bazel-related
 MODULE.bazel.lock
+
+# backups left by `make check-amalgamation` or the ci_test_amalgamation target if they are interrupted
+/BUILD.bazel~
+/nlohmann_json.natvis~
+/single_include/nlohmann/*.hpp~
+/venv_astyle/
+
+# release outputs of `make release`
+/include.zip
+/include.zip.asc
+/json.tar.xz
+/json.tar.xz.asc
+/release_files/
+/single_include/nlohmann/*.asc

BUILD.bazel

@@ -81,6 +81,7 @@ cc_library(
     hdrs = [
         "single_include/nlohmann/json.hpp",
         "single_include/nlohmann/json_fwd.hpp",
+        "single_include/nlohmann/json_literals.hpp",
     ],
     includes = ["single_include"],
     visibility = ["//visibility:public"],

CITATION.cff

@@ -8,7 +8,7 @@ authors:
     website: https://nlohmann.me
 title: "JSON for Modern C++"
 version: 3.12.0
-date-released: 2025-04-07
+date-released: 2025-04-11
 license: MIT
 repository-code: "https://github.com/nlohmann/json"
 url: https://json.nlohmann.me

CMakeLists.txt

@@ -30,7 +30,7 @@ endif ()
 option(NLOHMANN_JSON_BUILD_MODULES "Build C++ modules support" OFF)
 
 if(NLOHMANN_JSON_BUILD_MODULES)
-    if(CMAKE_VERSION VERSION_GREATER_EQUAL 3.28)
+    if(NOT CMAKE_VERSION VERSION_LESS 3.28)
         message(STATUS "Building nlohmann.json C++ module")
         add_subdirectory(src/modules)
     else()

FILES.md

@@ -14,7 +14,7 @@ This file describes the source for supporting files; that is, files that are not
 The [GitHub Actions](https://docs.github.com/en/actions) workflows that build, test, and analyze the library. Each file in this folder defines one workflow:
 
 - `ubuntu.yml`, `macos.yml`, `windows.yml` — build and run the test suite on Linux, macOS, and Windows.
-- `check_amalgamation.yml` — verify that the single-header amalgamation in `single_include` is up to date on pull requests.
+- `check_amalgamation.yml` — verify on pull requests and pushes to `develop` that the generated files (the single-header amalgamation in `single_include`, `BUILD.bazel`, and `nlohmann_json.natvis`) are up to date.
 - `comment_check_amalgamation.yml` — comment on a pull request when the amalgamation check failed.
 - `cifuzz.yml` — run short fuzzing sessions via [OSS-Fuzz CIFuzz](https://google.github.io/oss-fuzz/getting-started/continuous-integration/) on pull requests.
 - `codeql-analysis.yml` — run [CodeQL](https://codeql.github.com) code scanning.
@@ -24,7 +24,9 @@ The [GitHub Actions](https://docs.github.com/en/actions) workflows that build, t
 - `dependency-review.yml` — scan dependency changes in pull requests for known vulnerabilities.
 - `labeler.yml` — the "Pull Request Labeler" workflow (see `.github/labeler.yml`).
 - `stale.yml` — comment on and close stale issues and pull requests.
-- `publish_documentation.yml` — build and publish the documentation on every merge to the `develop` branch.
+- `publish_documentation.yml` — build and publish the documentation on pushes to the `develop` branch that touch the documentation sources (or the files it embeds).
+- `check_docs_links.yml` — check the links of the documentation weekly, as external links can break without any change in this repository.
+- `cancel_closed_pr_runs.yml` — cancel unfinished workflow runs of a pull request once it is closed or merged.
 
 Further documentation:
 
@@ -266,8 +268,9 @@ meson setup builddir
 ninja -C builddir
 ```
 
-`meson_options.txt` defines the options, which mirror the CMake options that change the library's target (for example,
-`-DDiagnostics=true`). Meson requires this file next to `meson.build`, so it is also part of `include.zip`. `make check_build_options`
+`meson_options.txt` defines the options, which mirror the names of the CMake options that change the library's target (for example,
+`-DDiagnostics=true`); their defaults may differ (for example, `MultipleHeaders` defaults to `false` in Meson, while
+`JSON_MultipleHeaders` is `ON` in CMake). Meson requires this file next to `meson.build`, so it is also part of `include.zip`. `make check_build_options`
 ([`tools/check_build_options`](tools/check_build_options/README.md)) checks in CI that both files and the pkg-config files
 stay in sync with the CMake options.
 

MODULE.bazel

@@ -1,5 +1,6 @@
 module(
     name = "nlohmann_json",
+    version = "3.12.0",
     compatibility_level = 1,
 )
 

Makefile

@@ -1,4 +1,4 @@
-.PHONY: pretty clean ChangeLog.md release update_hedley update_hedley_undef BUILD.bazel natvis macro_builder_check check_build_options
+.PHONY: all amalgamate check-amalgamation check_build_options pretty install_astyle clean ChangeLog.md release update_hedley update_hedley_undef BUILD.bazel natvis macro_builder_check run_benchmarks pvs_studio serve_header reuse spdx
 
 ##########################################################################
 # configuration
@@ -41,12 +41,18 @@ all:
 	@echo "BUILD.bazel - regenerate the Bazel BUILD file from the include/nlohmann sources"
 	@echo "ChangeLog.md - generate ChangeLog file"
 	@echo "check-amalgamation - check whether sources have been amalgamated and BUILD.bazel is up to date"
+	@echo "check_build_options - check that the Meson build and the pkg-config files offer the options of the CMake target"
 	@echo "clean - remove built files"
-	@echo "fuzzing - see tests/fuzzing.md for how to build and run the fuzzers"
+	@echo "(fuzzers) - see tests/fuzzing.md, or run 'make -C tests fuzzers' to build the AFL fuzzers"
 	@echo "macro_builder_check - check that macro_scope.hpp matches tools/macro_builder's output"
 	@echo "natvis - regenerate nlohmann_json.natvis from the current ABI tags and version"
 	@echo "pretty - beautify code with Artistic Style"
+	@echo "pvs_studio - run the PVS-Studio static analyzer and open the report"
+	@echo "release - create the release files (include.zip, json.tar.xz, single headers, signatures, hashes)"
+	@echo "reuse - annotate the source files with REUSE license headers and lint them"
 	@echo "run_benchmarks - build and run benchmarks"
+	@echo "serve_header - serve the single header, re-amalgamated on demand (see tools/serve_header)"
+	@echo "spdx - generate the SPDX software bill of materials nlohmann_json.spdx"
 	@echo "update_hedley - download Hedley and regenerate hedley.hpp / hedley_undef.hpp"
 	@echo "update_hedley_undef - rebuild hedley_undef.hpp from the JSON_HEDLEY_* #define names in hedley.hpp"
 
@@ -108,13 +114,18 @@ $(AMALGAMATED_FWD_FILE): $(SRCS)
 $(AMALGAMATED_LITERALS_FILE): include/nlohmann/json_literals.hpp
 	cp include/nlohmann/json_literals.hpp $(AMALGAMATED_LITERALS_FILE)
 
+NATVIS_VENV=tools/generate_natvis/venv
+
 # regenerate nlohmann_json.natvis from the ABI tags and version in include/nlohmann/detail/abi_macros.hpp
+# (the dependencies are installed into a virtual environment first)
 natvis:
-	python3 tools/generate_natvis/generate_natvis.py .
+	@test -d $(NATVIS_VENV) || python3 -mvenv $(NATVIS_VENV)
+	@$(NATVIS_VENV)/bin/python3 -c 'import jinja2' 2>/dev/null || $(NATVIS_VENV)/bin/pip3 install --quiet -r tools/generate_natvis/requirements.txt
+	$(NATVIS_VENV)/bin/python3 tools/generate_natvis/generate_natvis.py .
 
 # regenerate the two tools/macro_builder blocks of $(MACRO_SCOPE_HPP) (see its README.md) and diff against the
 # checked-in header; phony, because it never writes $(MACRO_SCOPE_HPP) itself
-macro_builder_check:
+macro_builder_check: install_astyle
 	@set -e; \
 	TMPDIR=$$(mktemp -d ./macro_builder_check.XXXXXX); \
 	trap 'rm -rf "$$TMPDIR"' EXIT; \
@@ -131,27 +142,27 @@ macro_builder_check:
 check_build_options:
 	python3 tools/check_build_options/check_build_options.py .
 
-# check if file single_include/nlohmann/json.hpp has been amalgamated from the nlohmann sources
+# check if the single headers have been amalgamated from the nlohmann sources and if BUILD.bazel and
+# nlohmann_json.natvis are up to date; all checks are run, and the checked-in files are always restored
 check-amalgamation:
-	@mv $(AMALGAMATED_FILE) $(AMALGAMATED_FILE)~
-	@mv $(AMALGAMATED_FWD_FILE) $(AMALGAMATED_FWD_FILE)~
-	@mv $(AMALGAMATED_LITERALS_FILE) $(AMALGAMATED_LITERALS_FILE)~
-	@$(MAKE) amalgamate
-	@diff $(AMALGAMATED_FILE) $(AMALGAMATED_FILE)~ || (echo "===================================================================\n  Amalgamation required! Please read the contribution guidelines\n  in file .github/CONTRIBUTING.md.\n===================================================================" ; mv $(AMALGAMATED_FILE)~ $(AMALGAMATED_FILE) ; false)
-	@diff $(AMALGAMATED_FWD_FILE) $(AMALGAMATED_FWD_FILE)~ || (echo "===================================================================\n  Amalgamation required! Please read the contribution guidelines\n  in file .github/CONTRIBUTING.md.\n===================================================================" ; mv $(AMALGAMATED_FWD_FILE)~ $(AMALGAMATED_FWD_FILE) ; false)
-	@diff $(AMALGAMATED_LITERALS_FILE) $(AMALGAMATED_LITERALS_FILE)~ || (echo "===================================================================\n  Amalgamation required! Please read the contribution guidelines\n  in file .github/CONTRIBUTING.md.\n===================================================================" ; mv $(AMALGAMATED_LITERALS_FILE)~ $(AMALGAMATED_LITERALS_FILE) ; false)
-	@mv $(AMALGAMATED_FILE)~ $(AMALGAMATED_FILE)
-	@mv $(AMALGAMATED_FWD_FILE)~ $(AMALGAMATED_FWD_FILE)
-	@mv $(AMALGAMATED_LITERALS_FILE)~ $(AMALGAMATED_LITERALS_FILE)
-	@mv BUILD.bazel BUILD.bazel~
-	@$(MAKE) BUILD.bazel
-	@diff BUILD.bazel BUILD.bazel~ || (echo "===================================================================\n  BUILD.bazel is out of date! Please run 'make BUILD.bazel'.\n===================================================================" ; mv BUILD.bazel~ BUILD.bazel ; false)
-	@mv BUILD.bazel~ BUILD.bazel
-	@mv nlohmann_json.natvis nlohmann_json.natvis~
-	@$(MAKE) natvis
-	@diff nlohmann_json.natvis nlohmann_json.natvis~ || (echo "===================================================================\n  nlohmann_json.natvis is out of date! Please run 'make natvis'.\n===================================================================" ; mv nlohmann_json.natvis~ nlohmann_json.natvis ; false)
-	@mv nlohmann_json.natvis~ nlohmann_json.natvis
-	@$(MAKE) macro_builder_check
+	@status=0; \
+	banner() { printf '===================================================================\n  %s\n===================================================================\n' "$$1"; }; \
+	for FILE in $(AMALGAMATED_FILE) $(AMALGAMATED_FWD_FILE) $(AMALGAMATED_LITERALS_FILE) BUILD.bazel nlohmann_json.natvis; do \
+	    mv "$$FILE" "$$FILE~" || exit 1; \
+	done; \
+	$(MAKE) amalgamate || status=1; \
+	$(MAKE) BUILD.bazel || status=1; \
+	$(MAKE) natvis || status=1; \
+	for FILE in $(AMALGAMATED_FILE) $(AMALGAMATED_FWD_FILE) $(AMALGAMATED_LITERALS_FILE); do \
+	    diff "$$FILE" "$$FILE~" || { banner "$$FILE is out of date! Amalgamation required! Please read the contribution guidelines in file .github/CONTRIBUTING.md."; status=1; }; \
+	done; \
+	diff BUILD.bazel BUILD.bazel~ || { banner "BUILD.bazel is out of date! Please run 'make BUILD.bazel'."; status=1; }; \
+	diff nlohmann_json.natvis nlohmann_json.natvis~ || { banner "nlohmann_json.natvis is out of date! Please run 'make natvis'."; status=1; }; \
+	for FILE in $(AMALGAMATED_FILE) $(AMALGAMATED_FWD_FILE) $(AMALGAMATED_LITERALS_FILE) BUILD.bazel nlohmann_json.natvis; do \
+	    mv "$$FILE~" "$$FILE"; \
+	done; \
+	$(MAKE) macro_builder_check || status=1; \
+	exit $$status
 
 # generate the Bazel BUILD file; phony, because a removed header would not trigger a rebuild
 BUILD.bazel:
@@ -212,8 +223,8 @@ release: include.zip json.tar.xz
 
 # clean up
 clean:
-	rm -fr fuzz fuzz-testing *.dSYM tests/*.dSYM
-	rm -fr cmake-build-benchmarks fuzz-testing cmake-build-pvs-studio release_files
+	rm -fr *.dSYM tests/*.dSYM tests/parse_*_fuzzer
+	rm -fr cmake-build-benchmarks cmake-build-pvs-studio release_files
 	$(MAKE) clean -Cdocs
 
 

README.md

@@ -48,6 +48,7 @@
   - [Pkg-config](#pkg-config)
 - [License](#license)
 - [Contact](#contact)
+- [Security](#security)
 - [Thanks](#thanks)
 - [Used third-party tools](#used-third-party-tools)
 - [Notes](#notes)
@@ -112,9 +113,9 @@ There is also a [**docset**](https://github.com/Kapeli/Dash-User-Contributions/t
 
 ## Quick reference
 
-- **Constructors** [basic_json](https://json.nlohmann.me/api/basic_json/basic_json), [array](https://json.nlohmann.me/api/basic_json/array), [binary](https://json.nlohmann.me/api/basic_json/binary), [object](https://json.nlohmann.me/api/basic_json/object)
+- **Constructors**: [basic_json](https://json.nlohmann.me/api/basic_json/basic_json), [array](https://json.nlohmann.me/api/basic_json/array), [binary](https://json.nlohmann.me/api/basic_json/binary), [object](https://json.nlohmann.me/api/basic_json/object)
 - **Object inspection**: [type](https://json.nlohmann.me/api/basic_json/type), [operator value_t](https://json.nlohmann.me/api/basic_json/operator_value_t), [type_name](https://json.nlohmann.me/api/basic_json/type_name), [is_primitive](https://json.nlohmann.me/api/basic_json/is_primitive), [is_structured](https://json.nlohmann.me/api/basic_json/is_structured), [is_null](https://json.nlohmann.me/api/basic_json/is_null), [is_boolean](https://json.nlohmann.me/api/basic_json/is_boolean), [is_number](https://json.nlohmann.me/api/basic_json/is_number), [is_number_integer](https://json.nlohmann.me/api/basic_json/is_number_integer), [is_number_unsigned](https://json.nlohmann.me/api/basic_json/is_number_unsigned), [is_number_float](https://json.nlohmann.me/api/basic_json/is_number_float), [is_object](https://json.nlohmann.me/api/basic_json/is_object), [is_array](https://json.nlohmann.me/api/basic_json/is_array), [is_string](https://json.nlohmann.me/api/basic_json/is_string), [is_binary](https://json.nlohmann.me/api/basic_json/is_binary), [is_discarded](https://json.nlohmann.me/api/basic_json/is_discarded)
-- **Value access**; [get](https://json.nlohmann.me/api/basic_json/get), [get_to](https://json.nlohmann.me/api/basic_json/get_to), [get_ptr](https://json.nlohmann.me/api/basic_json/get_ptr), [get_ref](https://json.nlohmann.me/api/basic_json/get_ref), [operator ValueType](https://json.nlohmann.me/api/basic_json/operator_ValueType), [get_binary](https://json.nlohmann.me/api/basic_json/get_binary)
+- **Value access**: [get](https://json.nlohmann.me/api/basic_json/get), [get_to](https://json.nlohmann.me/api/basic_json/get_to), [get_ptr](https://json.nlohmann.me/api/basic_json/get_ptr), [get_ref](https://json.nlohmann.me/api/basic_json/get_ref), [operator ValueType](https://json.nlohmann.me/api/basic_json/operator_ValueType), [get_binary](https://json.nlohmann.me/api/basic_json/get_binary)
 - **Element access**: [at](https://json.nlohmann.me/api/basic_json/at), [operator[]](https://json.nlohmann.me/api/basic_json/operator[]), [value](https://json.nlohmann.me/api/basic_json/value), [front](https://json.nlohmann.me/api/basic_json/front), [back](https://json.nlohmann.me/api/basic_json/back)
 - **Lookup**: [find](https://json.nlohmann.me/api/basic_json/find), [count](https://json.nlohmann.me/api/basic_json/count), [contains](https://json.nlohmann.me/api/basic_json/contains)
 - **Iterators**: [begin](https://json.nlohmann.me/api/basic_json/begin), [cbegin](https://json.nlohmann.me/api/basic_json/cbegin), [end](https://json.nlohmann.me/api/basic_json/end), [cend](https://json.nlohmann.me/api/basic_json/cend), [rbegin](https://json.nlohmann.me/api/basic_json/rbegin), [rend](https://json.nlohmann.me/api/basic_json/rend), [crbegin](https://json.nlohmann.me/api/basic_json/crbegin), [crend](https://json.nlohmann.me/api/basic_json/crend), [items](https://json.nlohmann.me/api/basic_json/items)
@@ -494,7 +495,7 @@ bool key(string_t& val);
 bool parse_error(std::size_t position, const std::string& last_token, const detail::exception& ex);
 ```
 
-The return value of each function determines whether parsing should proceed.
+The return value of each function determines whether parsing should proceed. For `parse_error`, returning `true` [recovers from the error](https://json.nlohmann.me/features/parsing/error_recovery/): the parser repairs the input and continues.
 
 To implement your own SAX handler, proceed as follows:
 
@@ -502,7 +503,7 @@ To implement your own SAX handler, proceed as follows:
 2. Create an object of your SAX interface class, e.g. `my_sax`.
 3. Call `bool json::sax_parse(input, &my_sax)`; where the first parameter can be any input like a string or an input stream and the second parameter is a pointer to your SAX interface.
 
-Note the `sax_parse` function only returns a `bool` indicating the result of the last executed SAX event. It does not return a  `json` value - it is up to you to decide what to do with the SAX events. Furthermore, no exceptions are thrown in case of a parse error -- it is up to you what to do with the exception object passed to your `parse_error` implementation. Internally, the SAX interface is used for the DOM parser (class `json_sax_dom_parser`) as well as the acceptor (`json_sax_acceptor`), see file [`json_sax.hpp`](https://github.com/nlohmann/json/blob/develop/include/nlohmann/detail/input/json_sax.hpp).
+Note the `sax_parse` function only returns a `bool` indicating whether the input was parsed without errors and no SAX event returned `false`. It does not return a  `json` value - it is up to you to decide what to do with the SAX events. Furthermore, no exceptions are thrown in case of a parse error -- it is up to you what to do with the exception object passed to your `parse_error` implementation. Internally, the SAX interface is used for the DOM parser (class `json_sax_dom_parser`) as well as the acceptor (`json_sax_acceptor`), see file [`json_sax.hpp`](https://github.com/nlohmann/json/blob/develop/include/nlohmann/detail/input/json_sax.hpp).
 
 ### STL-like access
 
@@ -1184,7 +1185,7 @@ binary[1]; // 0xFE
 binary.set_subtype(0x10);
 
 // serialize to MessagePack
-auto cbor = json::to_msgpack(j); // 0xD5 (fixext2), 0x10, 0xCA, 0xFE
+auto msgpack = json::to_msgpack(j); // 0xD5 (fixext2), 0x10, 0xCA, 0xFE
 ```
 
 ## Customers
@@ -1220,17 +1221,7 @@ I would be happy to learn about other compilers/versions.
 Please note:
 
 - GCC 4.8 has a bug [57824](https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57824): multiline raw strings cannot be the arguments to macros. Don't use multiline raw strings directly in macros with this compiler.
-- Android defaults to using very old compilers and C++ libraries. To fix this, add the following to your `Application.mk`. This will switch to the LLVM C++ library, the Clang compiler, and enable C++11 and other features disabled by default.
-
-    ```makefile
-    APP_STL := c++_shared
-    NDK_TOOLCHAIN_VERSION := clang3.6
-    APP_CPPFLAGS += -frtti -fexceptions
-    ```
-
-    The code compiles successfully with [Android NDK](https://developer.android.com/ndk/index.html?hl=ml), Revision 9 - 11 (and possibly later) and [CrystaX's Android NDK](https://www.crystax.net/en/android/ndk) version 10.
-
-- For GCC running on MinGW or Android SDK, the error `'to_string' is not a member of 'std'` (or similarly, for `strtod` or `strtof`) may occur. Note this is not an issue with the code, but rather with the compiler itself. On Android, see above to build with a newer environment.  For MinGW, please refer to [this site](https://tehsausage.com/mingw-to-string) and [this discussion](https://github.com/nlohmann/json/issues/136) for information on how to fix this bug. For Android NDK using `APP_STL := gnustl_static`, please refer to [this discussion](https://github.com/nlohmann/json/issues/219).
+- For GCC running on MinGW or Android, the error `'to_string' is not a member of 'std'` (or similarly, for `strtod` or `strtof`) may occur. Note this is not an issue with the code, but rather with the compiler or C++ standard library itself: use a recent toolchain (for Android, a current [NDK](https://developer.android.com/ndk) with the LLVM C++ library `APP_STL := c++_shared`, and for MinGW, a distribution with a complete C++11 standard library). See [this discussion](https://github.com/nlohmann/json/issues/136) for MinGW and [this discussion](https://github.com/nlohmann/json/issues/219) for the old Android NDK using `APP_STL := gnustl_static`.
 
 - Unsupported versions of GCC and Clang are rejected by `#error` directives. This can be switched off by defining `JSON_SKIP_UNSUPPORTED_COMPILER_CHECK`. Note that you can expect no support in this case.
 
@@ -1437,436 +1428,416 @@ I deeply appreciate the help of the following people.
 12. [kepkin](https://github.com/kepkin) patiently pushed forward the support for Microsoft Visual Studio.
 13. [gregmarr](https://github.com/gregmarr) simplified the implementation of reverse iterators and helped with numerous hints and improvements. In particular, he pushed forward the implementation of user-defined types.
 14. [Caio Luppi](https://github.com/caiovlp) fixed a bug in the Unicode handling.
-15. [dariomt](https://github.com/dariomt) fixed some typos in the examples.
+15. [dariomt](https://github.com/dariomt) fixed some typos in the examples and fixed a subtlety in MSVC type support and implemented the `get_ref()` function to get a reference to stored values.
 16. [Daniel Frey](https://github.com/d-frey) cleaned up some pointers and implemented exception-safe memory allocation.
 17. [Colin Hirsch](https://github.com/ColinH) took care of a small namespace issue.
 18. [Huu Nguyen](https://github.com/whoshuu) corrected a variable name in the documentation.
 19. [Silverweed](https://github.com/silverweed) overloaded `parse()` to accept an rvalue reference.
-20. [dariomt](https://github.com/dariomt) fixed a subtlety in MSVC type support and implemented the `get_ref()` function to get a reference to stored values.
-21. [ZahlGraf](https://github.com/ZahlGraf) added a workaround that allows compilation using Android NDK.
-22. [whackashoe](https://github.com/whackashoe) replaced a function that was marked as unsafe by Visual Studio.
-23. [406345](https://github.com/406345) fixed two small warnings.
-24. [Glen Fernandes](https://github.com/glenfe) noted a potential portability problem in the `has_mapped_type` function.
-25. [Corbin Hughes](https://github.com/nibroc) fixed some typos in the contribution guidelines.
-26. [twelsby](https://github.com/twelsby) fixed the array subscript operator, an issue that failed the MSVC build, and floating-point parsing/dumping. He further added support for unsigned integer numbers and implemented better roundtrip support for parsed numbers.
-27. [Volker Diels-Grabsch](https://github.com/vog) fixed a link in the README file.
-28. [msm-](https://github.com/msm-) added support for American Fuzzy Lop.
-29. [Annihil](https://github.com/Annihil) fixed an example in the README file.
-30. [Themercee](https://github.com/Themercee) noted a wrong URL in the README file.
-31. [Lv Zheng](https://github.com/lv-zheng) fixed a namespace issue with `int64_t` and `uint64_t`.
-32. [abc100m](https://github.com/abc100m) analyzed the issues with GCC 4.8 and proposed a [partial solution](https://github.com/nlohmann/json/pull/212).
-33. [zewt](https://github.com/zewt) added useful notes to the README file about Android.
-34. [Róbert Márki](https://github.com/robertmrk) added a fix to use move iterators and improved the integration via CMake.
-35. [Chris Kitching](https://github.com/ChrisKitching) cleaned up the CMake files.
-36. [Tom Needham](https://github.com/06needhamt) fixed a subtle bug with MSVC 2015 which was also proposed by [Michael K.](https://github.com/Epidal).
-37. [Mário Feroldi](https://github.com/thelostt) fixed a small typo.
-38. [duncanwerner](https://github.com/duncanwerner) found a really embarrassing performance regression in the 2.0.0 release.
-39. [Damien](https://github.com/dtoma) fixed one of the last conversion warnings.
-40. [Thomas Braun](https://github.com/t-b) fixed a warning in a test case and adjusted MSVC calls in the CI.
-41. [Théo DELRIEU](https://github.com/theodelrieu) patiently and constructively oversaw the long way toward [iterator-range parsing](https://github.com/nlohmann/json/issues/290). He also implemented the magic behind the serialization/deserialization of user-defined types and split the single header file into smaller chunks.
-42. [Stefan](https://github.com/5tefan) fixed a minor issue in the documentation.
-43. [Vasil Dimov](https://github.com/vasild) fixed the documentation regarding conversions from `std::multiset`.
-44. [ChristophJud](https://github.com/ChristophJud) overworked the CMake files to ease project inclusion.
-45. [Vladimir Petrigo](https://github.com/vpetrigo) made a SFINAE hack more readable and added Visual Studio 17 to the build matrix.
-46. [Denis Andrejew](https://github.com/seeekr) fixed a grammar issue in the README file.
-47. [Pierre-Antoine Lacaze](https://github.com/palacaze) found a subtle bug in the `dump()` function.
-48. [TurpentineDistillery](https://github.com/TurpentineDistillery) pointed to [`std::locale::classic()`](https://en.cppreference.com/w/cpp/locale/locale/classic) to avoid too much locale joggling, found some nice performance improvements in the parser, improved the benchmarking code, and realized locale-independent number parsing and printing.
-49. [cgzones](https://github.com/cgzones) had an idea how to fix the Coverity scan.
-50. [Jared Grubb](https://github.com/jaredgrubb) silenced a nasty documentation warning.
-51. [Yixin Zhang](https://github.com/qwename) fixed an integer overflow check.
-52. [Bosswestfalen](https://github.com/Bosswestfalen) merged two iterator classes into a smaller one.
-53. [Daniel599](https://github.com/Daniel599) helped to get Travis to execute the tests with Clang's sanitizers.
-54. [Jonathan Lee](https://github.com/vjon) fixed an example in the README file.
-55. [gnzlbg](https://github.com/gnzlbg) supported the implementation of user-defined types.
-56. [Alexej Harm](https://github.com/qis) helped to get the user-defined types working with Visual Studio.
-57. [Jared Grubb](https://github.com/jaredgrubb) supported the implementation of user-defined types.
-58. [EnricoBilla](https://github.com/EnricoBilla) noted a typo in an example.
-59. [Martin Hořeňovský](https://github.com/horenmar) found a way for a 2x speedup for the compilation time of the test suite.
-60. [ukhegg](https://github.com/ukhegg) proposed an improvement for the examples section.
-61. [rswanson-ihi](https://github.com/rswanson-ihi) noted a typo in the README.
-62. [Mihai Stan](https://github.com/stanmihai4) fixed a bug in the comparison with `nullptr`s.
-63. [Tushar Maheshwari](https://github.com/tusharpm) added [cotire](https://github.com/sakra/cotire) support to speed up the compilation.
-64. [TedLyngmo](https://github.com/TedLyngmo) noted a typo in the README, removed unnecessary bit arithmetic, and fixed some `-Weffc++` warnings.
-65. [Krzysztof Woś](https://github.com/krzysztofwos) made exceptions more visible.
-66. [ftillier](https://github.com/ftillier) fixed a compiler warning.
-67. [tinloaf](https://github.com/tinloaf) made sure all pushed warnings are properly popped.
-68. [Fytch](https://github.com/Fytch) found a bug in the documentation.
-69. [Jay Sistar](https://github.com/Type1J) implemented a Meson build description.
-70. [Henry Lee](https://github.com/HenryRLee) fixed a warning in ICC and improved the iterator implementation.
-71. [Vincent Thiery](https://github.com/vthiery) maintains a package for the Conan package manager.
-72. [Steffen](https://github.com/koemeet) fixed a potential issue with MSVC and `std::min`.
-73. [Mike Tzou](https://github.com/Chocobo1) fixed some typos.
-74. [amrcode](https://github.com/amrcode) noted misleading documentation about comparison of floats.
-75. [Oleg Endo](https://github.com/olegendo) reduced the memory consumption by replacing `<iostream>` with `<iosfwd>`.
-76. [dan-42](https://github.com/dan-42) cleaned up the CMake files to simplify including/reusing of the library.
-77. [Nikita Ofitserov](https://github.com/himikof) allowed for moving values from initializer lists.
-78. [Greg Hurrell](https://github.com/wincent) fixed a typo.
-79. [Dmitry Kukovinets](https://github.com/DmitryKuk) fixed a typo.
-80. [kbthomp1](https://github.com/kbthomp1) fixed an issue related to the Intel OSX compiler.
-81. [Markus Werle](https://github.com/daixtrose) fixed a typo.
-82. [WebProdPP](https://github.com/WebProdPP) fixed a subtle error in a precondition check.
-83. [Alex](https://github.com/leha-bot) noted an error in a code sample.
-84. [Tom de Geus](https://github.com/tdegeus) reported some warnings with ICC and helped to fix them.
-85. [Perry Kundert](https://github.com/pjkundert) simplified reading from input streams.
-86. [Sonu Lohani](https://github.com/sonulohani) fixed a small compilation error.
-87. [Jamie Seward](https://github.com/jseward) fixed all MSVC warnings.
-88. [Nate Vargas](https://github.com/eld00d) added a Doxygen tag file.
-89. [pvleuven](https://github.com/pvleuven) helped to fix a warning in ICC.
-90. [Pavel](https://github.com/crea7or) helped to fix some warnings in MSVC.
-91. [Jamie Seward](https://github.com/jseward) avoided unnecessary string copies in `find()` and `count()`.
-92. [Mitja](https://github.com/Itja) fixed some typos.
-93. [Jorrit Wronski](https://github.com/jowr) updated the Hunter package links.
-94. [Matthias Möller](https://github.com/TinyTinni) added a `.natvis` for the MSVC debug view.
-95. [bogemic](https://github.com/bogemic) fixed some C++17 deprecation warnings.
-96. [Eren Okka](https://github.com/erengy) fixed some MSVC warnings.
-97. [abolz](https://github.com/abolz) integrated the Grisu2 algorithm for proper floating-point formatting, allowing more roundtrip checks to succeed.
-98. [Vadim Evard](https://github.com/Pipeliner) fixed a Markdown issue in the README.
-99. [zerodefect](https://github.com/zerodefect) fixed a compiler warning.
-100. [Kert](https://github.com/kaidokert) allowed to template the string type in the serialization and added the possibility to override the exceptional behavior.
-101. [mark-99](https://github.com/mark-99) helped fix an ICC error.
-102. [Patrik Huber](https://github.com/patrikhuber) fixed links in the README file.
-103. [johnfb](https://github.com/johnfb) found a bug in the implementation of CBOR's indefinite length strings.
-104. [Paul Fultz II](https://github.com/pfultz2) added a note on the cget package manager.
-105. [Wilson Lin](https://github.com/wla80) made the integration section of the README more concise.
-106. [RalfBielig](https://github.com/ralfbielig) detected and fixed a memory leak in the parser callback.
-107. [agrianius](https://github.com/agrianius) allowed dumping JSON to an alternative string type.
-108. [Kevin Tonon](https://github.com/ktonon) overworked the C++11 compiler checks in CMake.
-109. [Axel Huebl](https://github.com/ax3l) simplified a CMake check and added support for the [Spack package manager](https://spack.io).
-110. [Carlos O'Ryan](https://github.com/coryan) fixed a typo.
-111. [James Upjohn](https://github.com/jupjohn) fixed a version number in the compilers section.
-112. [Chuck Atkins](https://github.com/chuckatkins) adjusted the CMake files to the CMake packaging guidelines and provided documentation for the CMake integration.
-113. [Jan Schöppach](https://github.com/dns13) fixed a typo.
-114. [martin-mfg](https://github.com/martin-mfg) fixed a typo.
-115. [Matthias Möller](https://github.com/TinyTinni) removed the dependency from `std::stringstream`.
-116. [agrianius](https://github.com/agrianius) added code to use alternative string implementations.
-117. [Daniel599](https://github.com/Daniel599) allowed to use more algorithms with the `items()` function.
-118. [Julius Rakow](https://github.com/juliusrakow) fixed the Meson include directory and fixed the links to [cppreference.com](https://cppreference.com).
-119. [Sonu Lohani](https://github.com/sonulohani) fixed the compilation with MSVC 2015 in debug mode.
-120. [grembo](https://github.com/grembo) fixed the test suite and re-enabled several test cases.
-121. [Hyeon Kim](https://github.com/simnalamburt) introduced the macro `JSON_INTERNAL_CATCH` to control the exception handling inside the library.
-122. [thyu](https://github.com/thyu) fixed a compiler warning.
-123. [David Guthrie](https://github.com/LEgregius) fixed a subtle compilation error with Clang 3.4.2.
-124. [Dennis Fischer](https://github.com/dennisfischer) allowed to call `find_package` without installing the library.
-125. [Hyeon Kim](https://github.com/simnalamburt) fixed an issue with a double macro definition.
-126. [Ben Berman](https://github.com/rivertam) made some error messages more understandable.
-127. [zakalibit](https://github.com/zakalibit) fixed a compilation problem with the Intel C++ compiler.
-128. [mandreyel](https://github.com/mandreyel) fixed a compilation problem.
-129. [Kostiantyn Ponomarenko](https://github.com/koponomarenko) added version and license information to the Meson build file.
-130. [Henry Schreiner](https://github.com/henryiii) added support for GCC 4.8.
-131. [knilch](https://github.com/knilch0r) made sure the test suite does not stall when run in the wrong directory.
-132. [Antonio Borondo](https://github.com/antonioborondo) fixed an MSVC 2017 warning.
-133. [Dan Gendreau](https://github.com/dgendreau) implemented the `NLOHMANN_JSON_SERIALIZE_ENUM` macro to quickly define an enum/JSON mapping.
-134. [efp](https://github.com/efp) added line and column information to parse errors.
-135. [julian-becker](https://github.com/julian-becker) added BSON support.
-136. [Pratik Chowdhury](https://github.com/pratikpc) added support for structured bindings.
-137. [David Avedissian](https://github.com/davedissian) added support for Clang 5.0.1 (PS4 version).
-138. [Jonathan Dumaresq](https://github.com/dumarjo) implemented an input adapter to read from `FILE*`.
-139. [kjpus](https://github.com/kjpus) fixed a link in the documentation.
-140. [Manvendra Singh](https://github.com/manu-chroma) fixed a typo in the documentation.
-141. [ziggurat29](https://github.com/ziggurat29) fixed an MSVC warning.
-142. [Sylvain Corlay](https://github.com/SylvainCorlay) added code to avoid an issue with MSVC.
-143. [mefyl](https://github.com/mefyl) fixed a bug when JSON was parsed from an input stream.
-144. [Millian Poquet](https://github.com/mpoquet) allowed to install the library via Meson.
-145. [Michael Behrns-Miller](https://github.com/moodboom) found an issue with a missing namespace.
-146. [Nasztanovics Ferenc](https://github.com/naszta) fixed a compilation issue with libc 2.12.
-147. [Andreas Schwab](https://github.com/andreas-schwab) fixed the endian conversion.
-148. [Mark-Dunning](https://github.com/Mark-Dunning) fixed a warning in MSVC.
-149. [Gareth Sylvester-Bradley](https://github.com/garethsb-sony) added `operator/` for JSON Pointers.
-150. [John-Mark](https://github.com/johnmarkwayve) noted a missing header.
-151. [Vitaly Zaitsev](https://github.com/xvitaly) fixed compilation with GCC 9.0.
-152. [Laurent Stacul](https://github.com/stac47) fixed compilation with GCC 9.0.
-153. [Ivor Wanders](https://github.com/iwanders) helped to reduce the CMake requirement to version 3.1.
-154. [njlr](https://github.com/njlr) updated the Buckaroo instructions.
-155. [Lion](https://github.com/lieff) fixed a compilation issue with GCC 7 on CentOS.
-156. [Isaac Nickaein](https://github.com/nickaein) improved the integer serialization performance and implemented the `contains()` function.
-157. [past-due](https://github.com/past-due) suppressed an unfixable warning.
-158. [Elvis Oric](https://github.com/elvisoric) improved Meson support.
-159. [Matěj Plch](https://github.com/Afforix) fixed an example in the README.
-160. [Mark Beckwith](https://github.com/wythe) fixed a typo.
-161. [scinart](https://github.com/scinart) fixed a bug in the serializer.
-162. [Patrick Boettcher](https://github.com/pboettch) implemented `push_back()` and `pop_back()` for JSON Pointers.
-163. [Bruno Oliveira](https://github.com/nicoddemus) added support for Conda.
-164. [Michele Caini](https://github.com/skypjack) fixed links in the README.
-165. [Hani](https://github.com/hnkb) documented how to install the library with NuGet.
-166. [Mark Beckwith](https://github.com/wythe) fixed a typo.
-167. [yann-morin-1998](https://github.com/yann-morin-1998) helped to reduce the CMake requirement to version 3.1.
-168. [Konstantin Podsvirov](https://github.com/podsvirov) maintains a package for the MSYS2 software distro.
-169. [remyabel](https://github.com/remyabel2) added GNUInstallDirs to the CMake files.
-170. [Taylor Howard](https://github.com/taylorhoward92) fixed a unit test.
-171. [Gabe Ron](https://github.com/Macr0Nerd) implemented the `to_string` method.
-172. [Watal M. Iwasaki](https://github.com/heavywatal) fixed a Clang warning.
-173. [Viktor Kirilov](https://github.com/onqtam) switched the unit tests from [Catch](https://github.com/philsquared/Catch) to [doctest](https://github.com/onqtam/doctest)
-174. [Juncheng E](https://github.com/ejcjason) fixed a typo.
-175. [tete17](https://github.com/tete17) fixed a bug in the `contains` function.
-176. [Xav83](https://github.com/Xav83) fixed some cppcheck warnings.
-177. [0xflotus](https://github.com/0xflotus) fixed some typos.
-178. [Christian Deneke](https://github.com/chris0x44) added a const version of `json_pointer::back`.
-179. [Julien Hamaide](https://github.com/crazyjul) made the `items()` function work with custom string types.
-180. [Evan Nemerson](https://github.com/nemequ) updated fixed a bug in Hedley and updated this library accordingly.
-181. [Florian Pigorsch](https://github.com/flopp) fixed a lot of typos.
-182. [Camille Bégué](https://github.com/cbegue) fixed an issue in the conversion from  `std::pair` and `std::tuple` to `json`.
-183. [Anthony VH](https://github.com/AnthonyVH) fixed a compile error in an enum deserialization.
-184. [Yuriy Vountesmery](https://github.com/ua-code-dragon) noted a subtle bug in a preprocessor check.
-185. [Chen](https://github.com/dota17) fixed numerous issues in the library.
-186. [Antony Kellermann](https://github.com/aokellermann) added a CI step for GCC 10.1.
-187. [Alex](https://github.com/gistrec) fixed an MSVC warning.
-188. [Rainer](https://github.com/rvjr) proposed an improvement in the floating-point serialization in CBOR.
-189. [Francois Chabot](https://github.com/FrancoisChabot) made performance improvements in the input adapters.
-190. [Arthur Sonzogni](https://github.com/ArthurSonzogni) documented how the library can be included via `FetchContent`.
-191. [Rimas Misevičius](https://github.com/rmisev) fixed an error message.
-192. [Alexander Myasnikov](https://github.com/alexandermyasnikov) fixed some examples and a link in the README.
-193. [Hubert Chathi](https://github.com/uhoreg) made CMake's version config file architecture-independent.
-194. [OmnipotentEntity](https://github.com/OmnipotentEntity) implemented the binary values for CBOR, MessagePack, BSON, and UBJSON.
-195. [ArtemSarmini](https://github.com/ArtemSarmini) fixed a compilation issue with GCC 10 and fixed a leak.
-196. [Evgenii Sopov](https://github.com/sea5kg) integrated the library to the wsjcpp package manager.
-197. [Sergey Linev](https://github.com/linev) fixed a compiler warning.
-198. [Miguel Magalhães](https://github.com/magamig) fixed the year in the copyright.
-199. [Gareth Sylvester-Bradley](https://github.com/garethsb-sony) fixed a compilation issue with MSVC.
-200. [Alexander “weej” Jones](https://github.com/alex-weej) fixed an example in the README.
-201. [Antoine Cœur](https://github.com/Coeur) fixed some typos in the documentation.
-202. [jothepro](https://github.com/jothepro) updated links to the Hunter package.
-203. [Dave Lee](https://github.com/kastiglione) fixed a link in the README.
-204. [Joël Lamotte](https://github.com/Klaim) added instruction for using Build2's package manager.
-205. [Paul Jurczak](https://github.com/pauljurczak) fixed an example in the README.
-206. [Sonu Lohani](https://github.com/sonulohani) fixed a warning.
-207. [Carlos Gomes Martinho](https://github.com/gocarlos) updated the Conan package source.
-208. [Konstantin Podsvirov](https://github.com/podsvirov) fixed the MSYS2 package documentation.
-209. [Tridacnid](https://github.com/Tridacnid) improved the CMake tests.
-210. [Michael](https://github.com/MBalszun) fixed MSVC warnings.
-211. [Quentin Barbarat](https://github.com/quentin-dev) fixed an example in the documentation.
-212. [XyFreak](https://github.com/XyFreak) fixed a compiler warning.
-213. [TotalCaesar659](https://github.com/TotalCaesar659) fixed links in the README.
-214. [Tanuj Garg](https://github.com/tanuj208) improved the fuzzer coverage for UBSAN input.
-215. [AODQ](https://github.com/AODQ) fixed a compiler warning.
-216. [jwittbrodt](https://github.com/jwittbrodt) made `NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE` inline.
-217. [pfeatherstone](https://github.com/pfeatherstone) improved the upper bound of arguments of the `NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE`/`NLOHMANN_DEFINE_TYPE_INTRUSIVE` macros.
-218. [Jan Procházka](https://github.com/jprochazk) fixed a bug in the CBOR parser for binary and string values.
-219. [T0b1-iOS](https://github.com/T0b1-iOS) fixed a bug in the new hash implementation.
-220. [Matthew Bauer](https://github.com/matthewbauer) adjusted the CBOR writer to create tags for binary subtypes.
-221. [gatopeich](https://github.com/gatopeich) implemented an ordered map container for `nlohmann::ordered_json`.
-222. [Érico Nogueira Rolim](https://github.com/ericonr) added support for pkg-config.
-223. [KonanM](https://github.com/KonanM) proposed an implementation for the `NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE`/`NLOHMANN_DEFINE_TYPE_INTRUSIVE` macros.
-224. [Guillaume Racicot](https://github.com/gracicot) implemented `string_view` support and allowed C++20 support.
-225. [Alex Reinking](https://github.com/alexreinking) improved CMake support for `FetchContent`.
-226. [Hannes Domani](https://github.com/ssbssa) provided a GDB pretty printer.
-227. Lars Wirzenius reviewed the README file.
-228. [Jun Jie](https://github.com/ongjunjie) fixed a compiler path in the CMake scripts.
-229. [Ronak Buch](https://github.com/rbuch) fixed typos in the documentation.
-230. [Alexander Karzhenkov](https://github.com/karzhenkov) fixed a move constructor and the Travis builds.
-231. [Leonardo Lima](https://github.com/leozz37) added CPM.Cmake support.
-232. [Joseph Blackman](https://github.com/jbzdarkid) fixed a warning.
-233. [Yaroslav](https://github.com/YarikTH) updated doctest and implemented unit tests.
-234. [Martin Stump](https://github.com/globberwops) fixed a bug in the CMake files.
-235. [Jaakko Moisio](https://github.com/jasujm) fixed a bug in the input adapters.
-236. [bl-ue](https://github.com/bl-ue) fixed some Markdown issues in the README file.
-237. [William A. Wieselquist](https://github.com/wawiesel) fixed an example from the README.
-238. [abbaswasim](https://github.com/abbaswasim) fixed an example from the README.
-239. [Remy Jette](https://github.com/remyjette) fixed a warning.
-240. [Fraser](https://github.com/frasermarlow) fixed the documentation.
-241. [Ben Beasley](https://github.com/musicinmybrain) updated doctest.
-242. [Doron Behar](https://github.com/doronbehar) fixed pkg-config.pc.
-243. [raduteo](https://github.com/raduteo) fixed a warning.
-244. [David Pfahler](https://github.com/theShmoo) added the possibility to compile the library without I/O support.
-245. [Morten Fyhn Amundsen](https://github.com/mortenfyhn) fixed a typo.
-246. [jpl-mac](https://github.com/jpl-mac) allowed treating the library as a system header in CMake.
-247. [Jason Dsouza](https://github.com/jasmcaus) fixed the indentation of the CMake file.
-248. [offa](https://github.com/offa) added a link to Conan Center to the documentation.
-249. [TotalCaesar659](https://github.com/TotalCaesar659) updated the links in the documentation to use HTTPS.
-250. [Rafail Giavrimis](https://github.com/grafail) fixed the Google Benchmark default branch.
-251. [Louis Dionne](https://github.com/ldionne) fixed a conversion operator.
-252. [justanotheranonymoususer](https://github.com/justanotheranonymoususer) made the examples in the README more consistent.
-253. [Finkman](https://github.com/Finkman) suppressed some `-Wfloat-equal` warnings.
-254. [Ferry Huberts](https://github.com/fhuberts) fixed `-Wswitch-enum` warnings.
-255. [Arseniy Terekhin](https://github.com/senyai) made the GDB pretty-printer robust against unset variable names.
-256. [Amir Masoud Abdol](https://github.com/amirmasoudabdol) updated the Homebrew command as nlohmann/json is now in homebrew-core.
-257. [Hallot](https://github.com/Hallot) fixed some `-Wextra-semi-stmt warnings`.
-258. [Giovanni Cerretani](https://github.com/gcerretani) fixed `-Wunused` warnings on `JSON_DIAGNOSTICS`.
-259. [Bogdan Popescu](https://github.com/Kapeli) hosts the [docset](https://github.com/Kapeli/Dash-User-Contributions/tree/master/docsets/JSON_for_Modern_C%2B%2B) for offline documentation viewers.
-260. [Carl Smedstad](https://github.com/carlsmedstad) fixed an assertion error when using `JSON_DIAGNOSTICS`.
-261. [miikka75](https://github.com/miikka75) provided an important fix to compile C++17 code with Clang 9.
-262. [Maarten Becker](https://github.com/kernie) fixed a warning for shadowed variables.
-263. [Cristi Vîjdea](https://github.com/axnsan12) fixed typos in the `operator[]` documentation.
-264. [Alex Beregszaszi](https://github.com/axic) fixed spelling mistakes in comments.
-265. [Dirk Stolle](https://github.com/striezel) fixed typos in documentation.
-266. [Daniel Albuschat](https://github.com/daniel-kun) corrected the parameter name in the `parse` documentation.
-267. [Prince Mendiratta](https://github.com/Prince-Mendiratta) fixed a link to the FAQ.
-268. [Florian Albrechtskirchinger](https://github.com/falbrechtskirchinger) implemented `std::string_view` support for object keys and made dozens of other improvements.
-269. [Qianqian Fang](https://github.com/fangq) implemented the Binary JData (BJData) format.
-270. [pketelsen](https://github.com/pketelsen) added macros `NLOHMANN_DEFINE_TYPE_INTRUSIVE_WITH_DEFAULT` and `NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE_WITH_DEFAULT`.
-271. [DarkZeros](https://github.com/DarkZeros) adjusted to code to not clash with Arduino defines.
-272. [flagarde](https://github.com/flagarde) fixed the output of `meta()` for MSVC.
-273. [Giovanni Cerretani](https://github.com/gcerretani) fixed a check for `std::filesystem`.
-274. [Dimitris Apostolou](https://github.com/rex4539) fixed a typo.
-275. [Ferry Huberts](https://github.com/fhuberts) fixed a typo.
-276. [Michael Nosthoff](https://github.com/heinemml) fixed a typo.
-277. [JungHoon Lee](https://github.com/jhnlee) fixed a typo.
-278. [Faruk D.](https://github.com/fdiblen) fixed the CITATION.CFF file.
-279. [Andrea Cocito](https://github.com/puffetto) added a clarification on macro usage to the documentation.
-280. [Krzysiek Karbowiak](https://github.com/kkarbowiak) refactored the tests to use `CHECK_THROWS_WITH_AS`.
-281. [Chaoqi Zhang](https://github.com/prncoprs) fixed a typo.
-282. [ivanovmp](https://github.com/ivanovmp) fixed a whitespace error.
-283. [KsaNL](https://github.com/KsaNL) fixed a build error when including `<windows.h>`.
-284. [Andrea Pappacoda](https://github.com/Tachi107) moved `.pc` and `.cmake` files to `share` directory.
-285. [Wolf Vollprecht](https://github.com/wolfv) added the `patch_inplace` function.
-286. [Jake Zimmerman](https://github.com/jez) highlighted common usage patterns in the README file.
-287. [NN](https://github.com/NN---) added the Visual Studio output directory to `.gitignore`.
-288. [Romain Reignier](https://github.com/romainreignier) improved the performance of the vector output adapter.
-289. [Mike](https://github.com/Mike-Leo-Smith) fixed the `std::iterator_traits`.
-290. [Richard Hozák](https://github.com/richardhozak) added macro `JSON_NO_ENUM` to disable default enum conversions.
-291. [vakokako](https://github.com/vakokako) fixed tests when compiling with C++20.
-292. [Alexander “weej” Jones](https://github.com/alexweej) fixed an example in the README.
-293. [Eli Schwartz](https://github.com/eli-schwartz) added more files to the `include.zip` archive.
-294. [Kevin Lu](https://github.com/kevinlul) fixed a compilation issue when typedefs with certain names were present.
-295. [Trevor Hickey](https://github.com/luxe) improved the description of an example.
-296. [Jef LeCompte](https://github.com/jef) updated the year in the README file.
-297. [Alexandre Hamez](https://github.com/ahamez) fixed a warning.
-298. [Maninderpal Badhan](https://github.com/mbadhan) fixed a typo.
-299. [kevin--](https://github.com/kevin--) added a note to an example in the README file.
-300. [I](https://github.com/wx257osn2) fixed a typo.
-301. [Gregorio Litenstein](https://github.com/Lord-Kamina) fixed the Clang detection.
-302. [Andreas Smas](https://github.com/andoma) added a Doozer badge.
-303. [WanCW](https://github.com/wancw) fixed the string conversion with Clang.
-304. [zhaohuaxishi](https://github.com/zhaohuaxishi) fixed a Doxygen error.
-305. [emvivre](https://github.com/emvivre) removed an invalid parameter from CMake.
-306. [Tobias Hermann](https://github.com/Dobiasd) fixed a link in the README file.
-307. [Michael](https://github.com/traits) fixed a warning.
-308. [Ryan Mulder](https://github.com/ryanjmulder) added `ensure_ascii` to the `dump` function.
-309. [Muri Nicanor](https://github.com/murinicanor) fixed the `sed` discovery in the Makefile.
-310. [David Avedissian](https://github.com/dgavedissian) implemented SFINAE-friendly `iterator_traits`.
-311. [AQNOUCH Mohammed](https://github.com/aqnouch) fixed a typo in the README.
-312. [Gareth Sylvester-Bradley](https://github.com/garethsb) added `operator/=` and `operator/` to construct JSON pointers.
-313. [Michael Macnair](https://github.com/mykter) added support for afl-fuzz testing.
-314. [Berkus Decker](https://github.com/berkus) fixed a typo in the README.
-315. [Illia Polishchuk](https://github.com/ilqvya) improved the CMake testing.
-316. [Ikko Ashimine](https://github.com/eltociear) fixed a typo.
-317. [Raphael Grimm](https://github.com/barcode) added the possibility to define a custom base class.
-318. [tocic](https://github.com/tocic) fixed typos in the documentation.
-319. [Vertexwahn](https://github.com/Vertexwahn) added Bazel build support.
-320. [Dirk Stolle](https://github.com/striezel) fixed typos in the documentation.
-321. [DavidKorczynski](https://github.com/DavidKorczynski) added a CIFuzz CI GitHub action.
-322. [Finkman](https://github.com/Finkman) fixed the debug pretty-printer.
-323. [Florian Segginger](https://github.com/floriansegginger) bumped the years in the README.
-324. [haadfida](https://github.com/haadfida) cleaned up the badges of used services.
-325. [Arsen Arsenović](https://github.com/ArsenArsen) fixed a build error.
-326. [theevilone45](https://github.com/theevilone45) fixed a typo in a CMake file.
-327. [Sergei Trofimovich](https://github.com/trofi) fixed the custom allocator support.
-328. [Joyce](https://github.com/joycebrum) fixed some security issues in the GitHub workflows.
-329. [Nicolas Jakob](https://github.com/njakob) add vcpkg version badge.
-330. [Tomerkm](https://github.com/Tomerkm) added tests.
-331. [No.](https://github.com/tusooa) fixed the use of `get<>` calls.
-332. [taro](https://github.com/tarolling) fixed a typo in the `CODEOWNERS` file.
-333. [Ikko Eltociear Ashimine](https://github.com/eltociear) fixed a typo.
-334. [Felix Yan](https://github.com/felixonmars) fixed a typo in the README.
-335. [HO-COOH](https://github.com/HO-COOH) fixed a parenthesis in the documentation.
-336. [Ivor Wanders](https://github.com/iwanders) fixed the examples to catch exception by `const&`.
-337. [miny1233](https://github.com/miny1233) fixed a parenthesis in the documentation.
-338. [tomalakgeretkal](https://github.com/tomalakgeretkal) fixed a compilation error.
-339. [alferov](https://github.com/ALF-ONE) fixed a compilation error.
-340. [Craig Scott](https://github.com/craigscott-crascit) fixed a deprecation warning in CMake.
-341. [Vyacheslav Zhdanovskiy](https://github.com/ZeronSix) added macros for serialization-only types.
-342. [Mathieu Westphal](https://github.com/mwestphal) fixed typos.
-343. [scribam](https://github.com/scribam) fixed the MinGW workflow.
-344. [Aleksei Sapitskii](https://github.com/aleksproger) added support for Apple's Swift Package Manager.
-345. [Benjamin Buch](https://github.com/bebuch) fixed the installation path in CMake.
-346. [Colby Haskell](https://github.com/colbychaskell) clarified the parse error message in case a file cannot be opened.
-347. [Juan Carlos Arevalo Baeza](https://github.com/TheJCAB) fixed the enum conversion.
-348. [alferov](https://github.com/ALF-ONE) fixed a version in the documentation.
-349. [ss](https://github.com/serge-s) fixed the amalgamation call.
-350. [AniketDhemare](https://github.com/AniketDhemare) fixed a version in the documentation.
-351. [Philip Müller](https://github.com/philip-paul-mueller) fixed an example.
-352. [Leila Shcheglova](https://github.com/LeilaShcheglova) fixed a warning in a test.
-353. [Alex Prabhat Bara](https://github.com/alexprabhat99) fixed a function name in the documentation.
-354. [laterlaugh](https://github.com/laterlaugh) fixed some typos.
-355. [Yuanhao Jia](https://github.com/MrJia1997) fixed the GDB pretty printer.
-356. [Fallen_Breath](https://github.com/Fallen-Breath) fixed an example for JSON Pointer.
-357. [Nikhil Idiculla](https://github.com/tsnl) fixed some typos.
-358. [Griffin Myers](https://github.com/gmyers18) updated the Natvis file.
-359. [thetimr](https://github.com/thetimr) fixed a typo in the documentation.
-360. [Balazs Erseki](https://github.com/zerocukor287) fixed a URL in the contribution guidelines.
-361. [Niccolò Iardella](https://github.com/rotolof) added `NLOHMANN_DEFINE_DERIVED_TYPE_*` macros.
-362. [Borislav Stanimirov](https://github.com/iboB) allowed overriding the CMake target name.
-363. [Captain Crutches](https://github.com/captaincrutches) made `iterator_proxy_value` a `std::forward_iterator`.
-364. [Fredrik Sandhei](https://github.com/fsandhei) added type conversion support for `std::optional`.
-365. [jh96](https://github.com/jordan-hoang) added exceptions when `nullptr` is passed to `parse`.
-366. [Stuart Gorman](https://github.com/StuartGorman) fixed number parsing when `EINTR` set in `errno`.
-367. [Dylan Baker](https://github.com/dcbaker) generated a pkg-config file that follows the pkg-config conventions.
-368. [Tianyi Chen](https://github.com/TianyiChen) optimized the binary `get_number` implementation.
-369. [peng-wang-cn](https://github.com/peng-wang-cn) added type conversion support for multidimensional arrays.
-370. [Einars Netlis-Galejs](https://github.com/EinarsNG) added `ONLY_SERIALIZE` for `NLOHMANN_DEFINE_DERIVED_TYPE_*` macros.
-371. [Marcel](https://github.com/mering) removed `alwayslink=True` Bazel flag.
-372. [Harinath Nampally](https://github.com/hnampally) added diagnostic positions to exceptions.
-373. [Nissim Armand Ben Danan](https://github.com/NissimBendanan) fixed `NLOHMANN_DEFINE_TYPE_INTRUSIVE_WITH_DEFAULT` with an empty JSON instance.
-374. [Michael Valladolid](https://github.com/codenut) added support for BSON uint64 serialization/deserialization.
-375. [Nikhil](https://github.com/nikhilreddydev) updated the documentation.
-376. [Nebojša Cvetković](https://github.com/nebkat) added support for BJDATA optimized binary array type.
-377. [Sushrut Shringarputale](https://github.com/sushshring) added support for diagnostic positions. 
-378. [kimci86](https://github.com/kimci86) templated to `NLOHMANN_DEFINE_TYPE` macros to also support `ordered_json`.
-379. [Richard Topchii](https://github.com/richardtop) added support for VisionOS in the Swift Package Manager.
-380. [Robert Chisholm](https://github.com/Robadob) fixed a typo.
-381. [zjyhjqs](https://github.com/zjyhjqs) added CPack support.
-382. [bitFiedler](https://github.com/bitFiedler) made GDB pretty printer work with Python 3.8.
-383. [Gianfranco Costamagna](https://github.com/LocutusOfBorg) fixed a compiler warning.
-384. [risa2000](https://github.com/risa2000) made `std::filesystem::path` conversion to/from UTF-8 encoded string explicit.
-385. [AM](https://github.com/maqnouch) fixed typos in the README.
-386. [dmenendez-gruposantander](https://github.com/dmenendez-gruposantander) fixed typos in the comments of the examples.
-387. [Mihai Stan](https://github.com/mstan-xx) fixed comparisons against the literal `0`.
-388. [Matt Gumbel](https://github.com/intelmatt) fixed some `-Weffc++` warnings.
-389. [vimpunk](https://github.com/vimpunk) moved a lambda out of an unevaluated context to support older compilers.
-390. [Chris Harris](https://github.com/cjh1) fixed the compilation with GCC 4.8.
-391. [Palmer Dabbelt](https://github.com/palmer-dabbelt) generated and installed a pkg-config file.
-392. [Gus Pozuelo](https://github.com/ap-viavi) made `ordered_map` compatible with GCC 5.5, Clang 3.6, and Xcode 9.
-393. [AK](https://github.com/Lioncky) fixed an MSVC build error caused by the `min`/`max` macros from `windows.h`.
-394. [Sergiu Deitsch](https://github.com/sergiud) provided a fallback for missing `char8_t` support.
-395. [Xiaochuan Ye](https://github.com/XueSongTap) fixed `from_msgpack` for `std::byte` input by specializing `std::char_traits`.
-396. [Ville Vesilehto](https://github.com/thevilledev) fixed an overflow in the BJData size calculation and rejected overflowing negative integers in CBOR.
-397. [NmPassTHFan](https://github.com/nmpassthf) replaced the deprecated `std::is_trivial` for C++26.
-398. [Chris Ever](https://github.com/chirsz-ever) added the `ignore_trailing_commas` parser option.
-399. [Kuan-Fu Wu](https://github.com/kfwu1999) fixed the example code for `json_pointer` initialization.
-400. [David Kilzer](https://github.com/ddkilzer) added a missing header to the input adapters.
-401. [Miko](https://github.com/mikomikotaishi) added proper C++20 module support, simplified the module API, and fixed missing exports.
-402. [hitgirl](https://github.com/hitgil) fixed the CMake configuration when cross-compiling.
-403. [Devon Thomas](https://github.com/ThomaDevOSU) mentioned the Artistic Style formatting in the contribution guidelines.
-404. [Erik Hu](https://github.com/Erikhu1) made Coveralls upload errors non-fatal in the CI.
-405. [co63oc](https://github.com/co63oc) fixed typos.
-406. [DmitriBogdanov](https://github.com/DmitriBogdanov) fixed broken package manager links in the documentation.
-407. [Bander](https://github.com/banderzhm) improved the MSVC compatibility of the C++ modules.
-408. [Andy Choi](https://github.com/ccpong) removed an unnecessary `template` keyword before `get` in the README and the documentation.
-409. [SamareshSingh](https://github.com/ssam18) fixed single-element brace initialization to copy/move instead of wrapping in an array, fixed the `WITH_DEFAULT` macros for `ordered_map`, and handled moved events in `serve_header.py`.
-410. [Aditya](https://github.com/Lumowhisp) improved the documentation of the documentation generation.
-411. [cheese1](https://github.com/cheese1) clarified the README.
-412. [KhloodElhossiny](https://github.com/khloodelhossiny) enabled `std::string_view` keys in `operator[]`.
-413. [Charles Cabergs](https://github.com/cacharle) fixed a `-Wtautological-constant-out-of-range-compare` warning.
-414. [EALePain](https://github.com/EALePain) made the `std::tuple` conversion work with reference types such as `std::tie`.
-415. [koala_oishi](https://github.com/chibi-dogs) fixed grammatical wording in the README.
-416. [riccardoori11](https://github.com/riccardoori11) fixed a typo in the documentation.
-417. [Swastik Bose](https://github.com/VasuBhakt) fixed the parent pointers after `update()` with `JSON_DIAGNOSTICS` and fixed the Doxygen autolinking of requirements.
-418. [trdesilva](https://github.com/trdesilva) added `front`, `pop_front`, and `push_front` to `json_pointer`.
-419. [Akhilesh Arora](https://github.com/akhilesharora) fixed an incomplete-type error with `ordered_json`.
-420. [Hariom Phulre](https://github.com/hariomphulre) fixed the C++20 modules compilation with GCC.
-421. [Kirill Lokotkov](https://github.com/RUSLoker) fixed printing `long double` values.
-422. [George Sedov](https://github.com/radistmorse) added the `NLOHMANN_DEFINE_TYPE_*_WITH_NAMES` macros.
-423. [Caillin Nugent](https://github.com/nugentcaillin) added the `NLOHMANN_JSON_SERIALIZE_ENUM_STRICT` macro.
-424. [Cosmin D.](https://github.com/drcosmin) fixed `std::filesystem::path` conversions and added an MSVC workaround for `std::unique_ptr`.
-425. [Paul Dreik](https://github.com/pauldreik) fixed a test relying on implementation-specific behavior.
-426. [Daniel Falk](https://github.com/daniel-falk) added missing copyright notices to the SBOM.
-427. [Federico Sfriso](https://github.com/federicosfriso05-dotcom) added support for constructing JSON values from C++20 range views.
-428. [Luke Banicevic](https://github.com/banaboi) fixed corrupt BSON output for lengths exceeding `INT32_MAX`, cleaned up the BSON writer, and improved the documentation.
-429. [Patrick Armstrong](https://github.com/Patrick10199) updated the CBOR references and the half-precision float assertions.
-430. [Yash Bavadiya](https://github.com/xevrion) added checks to all BSON reads.
-431. [hum4nBeing](https://github.com/hum4nBeing) fixed the overflow handling of high-precision numbers in UBJSON.
-432. [tomatotomata](https://github.com/tomatotomata) added checks for reading CBOR tagged subtypes.
-433. [YingqiDuan](https://github.com/YingqiDuan) documented the BSON interoperability.
-434. [KBS](https://github.com/youdie006) documented the standards compliance and the strictness of `parse()` and `operator>>`.
-435. [Petr Bělohlávek](https://github.com/petrbel) added Clang 21 and 22 to the CI.
-436. [Dmitry Rantovov](https://github.com/darkdi) fixed the placement of a CBOR documentation block.
-437. [ljcjclljc](https://github.com/ljcjclljc) fixed the comparison of large unsigned integers with signed integers.
-438. [Sahil Kamate](https://github.com/sahilkamate03) fixed the handling of CBOR tags 0-5 and 21-23.
-439. [Krishnanand G](https://github.com/Krishnanand-G) made the UBJSON writer reject `use_type` without `use_size`.
-440. [whn](https://github.com/Whning0513) documented the lenient BSON input handling and corrected the complexity of `to_bson`.
-441. [elix3r](https://github.com/22elix3r) fixed `update()` with `merge_objects` when merging a primitive into an object.
-442. [Avionic Harshit](https://github.com/avionicharshit-byte) made `diff()` linear when an array shrinks.
-443. [Qatadaha Bin Matloob](https://github.com/qatcod) fixed comparisons between integers and floats and fixed unparsable BJData output.
-444. [Wu Shuwen](https://github.com/dajiaohuang) removed an unused include.
+20. [ZahlGraf](https://github.com/ZahlGraf) added a workaround that allows compilation using Android NDK.
+21. [whackashoe](https://github.com/whackashoe) replaced a function that was marked as unsafe by Visual Studio.
+22. [406345](https://github.com/406345) fixed two small warnings.
+23. [Glen Fernandes](https://github.com/glenfe) noted a potential portability problem in the `has_mapped_type` function.
+24. [Corbin Hughes](https://github.com/nibroc) fixed some typos in the contribution guidelines.
+25. [twelsby](https://github.com/twelsby) fixed the array subscript operator, an issue that failed the MSVC build, and floating-point parsing/dumping. He further added support for unsigned integer numbers and implemented better roundtrip support for parsed numbers.
+26. [Volker Diels-Grabsch](https://github.com/vog) fixed a link in the README file.
+27. [msm-](https://github.com/msm-) added support for American Fuzzy Lop.
+28. [Annihil](https://github.com/Annihil) fixed an example in the README file.
+29. [Themercee](https://github.com/Themercee) noted a wrong URL in the README file.
+30. [Lv Zheng](https://github.com/lv-zheng) fixed a namespace issue with `int64_t` and `uint64_t`.
+31. [abc100m](https://github.com/abc100m) analyzed the issues with GCC 4.8 and proposed a [partial solution](https://github.com/nlohmann/json/pull/212).
+32. [zewt](https://github.com/zewt) added useful notes to the README file about Android.
+33. [Róbert Márki](https://github.com/robertmrk) added a fix to use move iterators and improved the integration via CMake.
+34. [Chris Kitching](https://github.com/ChrisKitching) cleaned up the CMake files.
+35. [Tom Needham](https://github.com/06needhamt) fixed a subtle bug with MSVC 2015 which was also proposed by [Michael K.](https://github.com/Epidal).
+36. [Mário Feroldi](https://github.com/thelostt) fixed a small typo.
+37. [duncanwerner](https://github.com/duncanwerner) found a really embarrassing performance regression in the 2.0.0 release.
+38. [Damien](https://github.com/dtoma) fixed one of the last conversion warnings.
+39. [Thomas Braun](https://github.com/t-b) fixed a warning in a test case and adjusted MSVC calls in the CI.
+40. [Théo DELRIEU](https://github.com/theodelrieu) patiently and constructively oversaw the long way toward [iterator-range parsing](https://github.com/nlohmann/json/issues/290). He also implemented the magic behind the serialization/deserialization of user-defined types and split the single header file into smaller chunks.
+41. [Stefan](https://github.com/5tefan) fixed a minor issue in the documentation.
+42. [Vasil Dimov](https://github.com/vasild) fixed the documentation regarding conversions from `std::multiset`.
+43. [ChristophJud](https://github.com/ChristophJud) overworked the CMake files to ease project inclusion.
+44. [Vladimir Petrigo](https://github.com/vpetrigo) made a SFINAE hack more readable and added Visual Studio 17 to the build matrix.
+45. [Denis Andrejew](https://github.com/seeekr) fixed a grammar issue in the README file.
+46. [Pierre-Antoine Lacaze](https://github.com/palacaze) found a subtle bug in the `dump()` function.
+47. [TurpentineDistillery](https://github.com/TurpentineDistillery) pointed to [`std::locale::classic()`](https://en.cppreference.com/w/cpp/locale/locale/classic) to avoid too much locale joggling, found some nice performance improvements in the parser, improved the benchmarking code, and realized locale-independent number parsing and printing.
+48. [cgzones](https://github.com/cgzones) had an idea how to fix the Coverity scan.
+49. [Jared Grubb](https://github.com/jaredgrubb) silenced a nasty documentation warning and supported the implementation of user-defined types.
+50. [Yixin Zhang](https://github.com/qwename) fixed an integer overflow check.
+51. [Bosswestfalen](https://github.com/Bosswestfalen) merged two iterator classes into a smaller one.
+52. [Daniel599](https://github.com/Daniel599) helped to get Travis to execute the tests with Clang's sanitizers and allowed to use more algorithms with the `items()` function.
+53. [Jonathan Lee](https://github.com/vjon) fixed an example in the README file.
+54. [gnzlbg](https://github.com/gnzlbg) supported the implementation of user-defined types.
+55. [Alexej Harm](https://github.com/qis) helped to get the user-defined types working with Visual Studio.
+56. [EnricoBilla](https://github.com/EnricoBilla) noted a typo in an example.
+57. [Martin Hořeňovský](https://github.com/horenmar) found a way for a 2x speedup for the compilation time of the test suite.
+58. [ukhegg](https://github.com/ukhegg) proposed an improvement for the examples section.
+59. [rswanson-ihi](https://github.com/rswanson-ihi) noted a typo in the README.
+60. [Mihai Stan](https://github.com/stanmihai4) fixed a bug in the comparison with `nullptr`s.
+61. [Tushar Maheshwari](https://github.com/tusharpm) added [cotire](https://github.com/sakra/cotire) support to speed up the compilation.
+62. [TedLyngmo](https://github.com/TedLyngmo) noted a typo in the README, removed unnecessary bit arithmetic, and fixed some `-Weffc++` warnings.
+63. [Krzysztof Woś](https://github.com/krzysztofwos) made exceptions more visible.
+64. [ftillier](https://github.com/ftillier) fixed a compiler warning.
+65. [tinloaf](https://github.com/tinloaf) made sure all pushed warnings are properly popped.
+66. [Fytch](https://github.com/Fytch) found a bug in the documentation.
+67. [Jay Sistar](https://github.com/Type1J) implemented a Meson build description.
+68. [Henry Lee](https://github.com/HenryRLee) fixed a warning in ICC and improved the iterator implementation.
+69. [Vincent Thiery](https://github.com/vthiery) maintains a package for the Conan package manager.
+70. [Steffen](https://github.com/koemeet) fixed a potential issue with MSVC and `std::min`.
+71. [Mike Tzou](https://github.com/Chocobo1) fixed some typos.
+72. [amrcode](https://github.com/amrcode) noted misleading documentation about comparison of floats.
+73. [Oleg Endo](https://github.com/olegendo) reduced the memory consumption by replacing `<iostream>` with `<iosfwd>`.
+74. [dan-42](https://github.com/dan-42) cleaned up the CMake files to simplify including/reusing of the library.
+75. [Nikita Ofitserov](https://github.com/himikof) allowed for moving values from initializer lists.
+76. [Greg Hurrell](https://github.com/wincent) fixed a typo.
+77. [Dmitry Kukovinets](https://github.com/DmitryKuk) fixed a typo.
+78. [kbthomp1](https://github.com/kbthomp1) fixed an issue related to the Intel OSX compiler.
+79. [Markus Werle](https://github.com/daixtrose) fixed a typo.
+80. [WebProdPP](https://github.com/WebProdPP) fixed a subtle error in a precondition check.
+81. [Alex](https://github.com/leha-bot) noted an error in a code sample.
+82. [Tom de Geus](https://github.com/tdegeus) reported some warnings with ICC and helped to fix them.
+83. [Perry Kundert](https://github.com/pjkundert) simplified reading from input streams.
+84. [Sonu Lohani](https://github.com/sonulohani) fixed a small compilation error, fixed the compilation with MSVC 2015 in debug mode and fixed a warning.
+85. [Jamie Seward](https://github.com/jseward) fixed all MSVC warnings and avoided unnecessary string copies in `find()` and `count()`.
+86. [Nate Vargas](https://github.com/eld00d) added a Doxygen tag file.
+87. [pvleuven](https://github.com/pvleuven) helped to fix a warning in ICC.
+88. [Pavel](https://github.com/crea7or) helped to fix some warnings in MSVC.
+89. [Mitja](https://github.com/Itja) fixed some typos.
+90. [Jorrit Wronski](https://github.com/jowr) updated the Hunter package links.
+91. [Matthias Möller](https://github.com/TinyTinni) added a `.natvis` for the MSVC debug view and removed the dependency from `std::stringstream`.
+92. [bogemic](https://github.com/bogemic) fixed some C++17 deprecation warnings.
+93. [Eren Okka](https://github.com/erengy) fixed some MSVC warnings.
+94. [abolz](https://github.com/abolz) integrated the Grisu2 algorithm for proper floating-point formatting, allowing more roundtrip checks to succeed.
+95. [Vadim Evard](https://github.com/Pipeliner) fixed a Markdown issue in the README.
+96. [zerodefect](https://github.com/zerodefect) fixed a compiler warning.
+97. [Kert](https://github.com/kaidokert) allowed to template the string type in the serialization and added the possibility to override the exceptional behavior.
+98. [mark-99](https://github.com/mark-99) helped fix an ICC error.
+99. [Patrik Huber](https://github.com/patrikhuber) fixed links in the README file.
+100. [johnfb](https://github.com/johnfb) found a bug in the implementation of CBOR's indefinite length strings.
+101. [Paul Fultz II](https://github.com/pfultz2) added a note on the cget package manager.
+102. [Wilson Lin](https://github.com/wla80) made the integration section of the README more concise.
+103. [RalfBielig](https://github.com/ralfbielig) detected and fixed a memory leak in the parser callback.
+104. [agrianius](https://github.com/agrianius) allowed dumping JSON to an alternative string type and added code to use alternative string implementations.
+105. [Kevin Tonon](https://github.com/ktonon) overworked the C++11 compiler checks in CMake.
+106. [Axel Huebl](https://github.com/ax3l) simplified a CMake check and added support for the [Spack package manager](https://spack.io).
+107. [Carlos O'Ryan](https://github.com/coryan) fixed a typo.
+108. [James Upjohn](https://github.com/jupjohn) fixed a version number in the compilers section.
+109. [Chuck Atkins](https://github.com/chuckatkins) adjusted the CMake files to the CMake packaging guidelines and provided documentation for the CMake integration.
+110. [Jan Schöppach](https://github.com/dns13) fixed a typo.
+111. [martin-mfg](https://github.com/martin-mfg) fixed a typo.
+112. [Julius Rakow](https://github.com/juliusrakow) fixed the Meson include directory and fixed the links to [cppreference.com](https://cppreference.com).
+113. [grembo](https://github.com/grembo) fixed the test suite and re-enabled several test cases.
+114. [Hyeon Kim](https://github.com/simnalamburt) introduced the macro `JSON_INTERNAL_CATCH` to control the exception handling inside the library and fixed an issue with a double macro definition.
+115. [thyu](https://github.com/thyu) fixed a compiler warning.
+116. [David Guthrie](https://github.com/LEgregius) fixed a subtle compilation error with Clang 3.4.2.
+117. [Dennis Fischer](https://github.com/dennisfischer) allowed to call `find_package` without installing the library.
+118. [Ben Berman](https://github.com/rivertam) made some error messages more understandable.
+119. [zakalibit](https://github.com/zakalibit) fixed a compilation problem with the Intel C++ compiler.
+120. [mandreyel](https://github.com/mandreyel) fixed a compilation problem.
+121. [Kostiantyn Ponomarenko](https://github.com/koponomarenko) added version and license information to the Meson build file.
+122. [Henry Schreiner](https://github.com/henryiii) added support for GCC 4.8.
+123. [knilch](https://github.com/knilch0r) made sure the test suite does not stall when run in the wrong directory.
+124. [Antonio Borondo](https://github.com/antonioborondo) fixed an MSVC 2017 warning.
+125. [Dan Gendreau](https://github.com/dgendreau) implemented the `NLOHMANN_JSON_SERIALIZE_ENUM` macro to quickly define an enum/JSON mapping.
+126. [efp](https://github.com/efp) added line and column information to parse errors.
+127. [julian-becker](https://github.com/julian-becker) added BSON support.
+128. [Pratik Chowdhury](https://github.com/pratikpc) added support for structured bindings.
+129. [David Avedissian](https://github.com/davedissian) added support for Clang 5.0.1 (PS4 version).
+130. [Jonathan Dumaresq](https://github.com/dumarjo) implemented an input adapter to read from `FILE*`.
+131. [kjpus](https://github.com/kjpus) fixed a link in the documentation.
+132. [Manvendra Singh](https://github.com/manu-chroma) fixed a typo in the documentation.
+133. [ziggurat29](https://github.com/ziggurat29) fixed an MSVC warning.
+134. [Sylvain Corlay](https://github.com/SylvainCorlay) added code to avoid an issue with MSVC.
+135. [mefyl](https://github.com/mefyl) fixed a bug when JSON was parsed from an input stream.
+136. [Millian Poquet](https://github.com/mpoquet) allowed to install the library via Meson.
+137. [Michael Behrns-Miller](https://github.com/moodboom) found an issue with a missing namespace.
+138. [Nasztanovics Ferenc](https://github.com/naszta) fixed a compilation issue with libc 2.12.
+139. [Andreas Schwab](https://github.com/andreas-schwab) fixed the endian conversion.
+140. [Mark-Dunning](https://github.com/Mark-Dunning) fixed a warning in MSVC.
+141. [Gareth Sylvester-Bradley](https://github.com/garethsb-sony) added `operator/` for JSON Pointers and fixed a compilation issue with MSVC.
+142. [John-Mark](https://github.com/johnmarkwayve) noted a missing header.
+143. [Vitaly Zaitsev](https://github.com/xvitaly) fixed compilation with GCC 9.0.
+144. [Laurent Stacul](https://github.com/stac47) fixed compilation with GCC 9.0.
+145. [Ivor Wanders](https://github.com/iwanders) helped to reduce the CMake requirement to version 3.1 and fixed the examples to catch exception by `const&`.
+146. [njlr](https://github.com/njlr) updated the Buckaroo instructions.
+147. [Lion](https://github.com/lieff) fixed a compilation issue with GCC 7 on CentOS.
+148. [Isaac Nickaein](https://github.com/nickaein) improved the integer serialization performance and implemented the `contains()` function.
+149. [past-due](https://github.com/past-due) suppressed an unfixable warning.
+150. [Elvis Oric](https://github.com/elvisoric) improved Meson support.
+151. [Matěj Plch](https://github.com/Afforix) fixed an example in the README.
+152. [Mark Beckwith](https://github.com/wythe) fixed two typos.
+153. [scinart](https://github.com/scinart) fixed a bug in the serializer.
+154. [Patrick Boettcher](https://github.com/pboettch) implemented `push_back()` and `pop_back()` for JSON Pointers.
+155. [Bruno Oliveira](https://github.com/nicoddemus) added support for Conda.
+156. [Michele Caini](https://github.com/skypjack) fixed links in the README.
+157. [Hani](https://github.com/hnkb) documented how to install the library with NuGet.
+158. [yann-morin-1998](https://github.com/yann-morin-1998) helped to reduce the CMake requirement to version 3.1.
+159. [Konstantin Podsvirov](https://github.com/podsvirov) maintains a package for the MSYS2 software distro and fixed the MSYS2 package documentation.
+160. [remyabel](https://github.com/remyabel2) added GNUInstallDirs to the CMake files.
+161. [Taylor Howard](https://github.com/taylorhoward92) fixed a unit test.
+162. [Gabe Ron](https://github.com/Macr0Nerd) implemented the `to_string` method.
+163. [Watal M. Iwasaki](https://github.com/heavywatal) fixed a Clang warning.
+164. [Viktor Kirilov](https://github.com/onqtam) switched the unit tests from [Catch](https://github.com/philsquared/Catch) to [doctest](https://github.com/doctest/doctest)
+165. [Juncheng E](https://github.com/ejcjason) fixed a typo.
+166. [tete17](https://github.com/tete17) fixed a bug in the `contains` function.
+167. [Xav83](https://github.com/Xav83) fixed some cppcheck warnings.
+168. [0xflotus](https://github.com/0xflotus) fixed some typos.
+169. [Christian Deneke](https://github.com/chris0x44) added a const version of `json_pointer::back`.
+170. [Julien Hamaide](https://github.com/crazyjul) made the `items()` function work with custom string types.
+171. [Evan Nemerson](https://github.com/nemequ) updated fixed a bug in Hedley and updated this library accordingly.
+172. [Florian Pigorsch](https://github.com/flopp) fixed a lot of typos.
+173. [Camille Bégué](https://github.com/cbegue) fixed an issue in the conversion from  `std::pair` and `std::tuple` to `json`.
+174. [Anthony VH](https://github.com/AnthonyVH) fixed a compile error in an enum deserialization.
+175. [Yuriy Vountesmery](https://github.com/ua-code-dragon) noted a subtle bug in a preprocessor check.
+176. [Chen](https://github.com/dota17) fixed numerous issues in the library.
+177. [Antony Kellermann](https://github.com/aokellermann) added a CI step for GCC 10.1.
+178. [Alex](https://github.com/gistrec) fixed an MSVC warning.
+179. [Rainer](https://github.com/rvjr) proposed an improvement in the floating-point serialization in CBOR.
+180. [Francois Chabot](https://github.com/FrancoisChabot) made performance improvements in the input adapters.
+181. [Arthur Sonzogni](https://github.com/ArthurSonzogni) documented how the library can be included via `FetchContent`.
+182. [Rimas Misevičius](https://github.com/rmisev) fixed an error message.
+183. [Alexander Myasnikov](https://github.com/alexandermyasnikov) fixed some examples and a link in the README.
+184. [Hubert Chathi](https://github.com/uhoreg) made CMake's version config file architecture-independent.
+185. [OmnipotentEntity](https://github.com/OmnipotentEntity) implemented the binary values for CBOR, MessagePack, BSON, and UBJSON.
+186. [ArtemSarmini](https://github.com/ArtemSarmini) fixed a compilation issue with GCC 10 and fixed a leak.
+187. [Evgenii Sopov](https://github.com/sea5kg) integrated the library to the wsjcpp package manager.
+188. [Sergey Linev](https://github.com/linev) fixed a compiler warning.
+189. [Miguel Magalhães](https://github.com/magamig) fixed the year in the copyright.
+190. [Alexander “weej” Jones](https://github.com/alex-weej) fixed an example in the README.
+191. [Antoine Cœur](https://github.com/Coeur) fixed some typos in the documentation.
+192. [jothepro](https://github.com/jothepro) updated links to the Hunter package.
+193. [Dave Lee](https://github.com/kastiglione) fixed a link in the README.
+194. [Joël Lamotte](https://github.com/Klaim) added instruction for using Build2's package manager.
+195. [Paul Jurczak](https://github.com/pauljurczak) fixed an example in the README.
+196. [Carlos Gomes Martinho](https://github.com/gocarlos) updated the Conan package source.
+197. [Tridacnid](https://github.com/Tridacnid) improved the CMake tests.
+198. [Michael](https://github.com/MBalszun) fixed MSVC warnings.
+199. [Quentin Barbarat](https://github.com/quentin-dev) fixed an example in the documentation.
+200. [XyFreak](https://github.com/XyFreak) fixed a compiler warning.
+201. [TotalCaesar659](https://github.com/TotalCaesar659) fixed links in the README and updated the links in the documentation to use HTTPS.
+202. [Tanuj Garg](https://github.com/tanuj208) improved the fuzzer coverage for UBSAN input.
+203. [AODQ](https://github.com/AODQ) fixed a compiler warning.
+204. [jwittbrodt](https://github.com/jwittbrodt) made `NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE` inline.
+205. [pfeatherstone](https://github.com/pfeatherstone) improved the upper bound of arguments of the `NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE`/`NLOHMANN_DEFINE_TYPE_INTRUSIVE` macros.
+206. [Jan Procházka](https://github.com/jprochazk) fixed a bug in the CBOR parser for binary and string values.
+207. [T0b1-iOS](https://github.com/T0b1-iOS) fixed a bug in the new hash implementation.
+208. [Matthew Bauer](https://github.com/matthewbauer) adjusted the CBOR writer to create tags for binary subtypes.
+209. [gatopeich](https://github.com/gatopeich) implemented an ordered map container for `nlohmann::ordered_json`.
+210. [Érico Nogueira Rolim](https://github.com/ericonr) added support for pkg-config.
+211. [KonanM](https://github.com/KonanM) proposed an implementation for the `NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE`/`NLOHMANN_DEFINE_TYPE_INTRUSIVE` macros.
+212. [Guillaume Racicot](https://github.com/gracicot) implemented `string_view` support and allowed C++20 support.
+213. [Alex Reinking](https://github.com/alexreinking) improved CMake support for `FetchContent`.
+214. [Hannes Domani](https://github.com/ssbssa) provided a GDB pretty printer.
+215. Lars Wirzenius reviewed the README file.
+216. [Jun Jie](https://github.com/ongjunjie) fixed a compiler path in the CMake scripts.
+217. [Ronak Buch](https://github.com/rbuch) fixed typos in the documentation.
+218. [Alexander Karzhenkov](https://github.com/karzhenkov) fixed a move constructor and the Travis builds.
+219. [Leonardo Lima](https://github.com/leozz37) added CPM.Cmake support.
+220. [Joseph Blackman](https://github.com/jbzdarkid) fixed a warning.
+221. [Yaroslav](https://github.com/YarikTH) updated doctest and implemented unit tests.
+222. [Martin Stump](https://github.com/globberwops) fixed a bug in the CMake files.
+223. [Jaakko Moisio](https://github.com/jasujm) fixed a bug in the input adapters.
+224. [bl-ue](https://github.com/bl-ue) fixed some Markdown issues in the README file.
+225. [William A. Wieselquist](https://github.com/wawiesel) fixed an example from the README.
+226. [abbaswasim](https://github.com/abbaswasim) fixed an example from the README.
+227. [Remy Jette](https://github.com/remyjette) fixed a warning.
+228. [Fraser](https://github.com/frasermarlow) fixed the documentation.
+229. [Ben Beasley](https://github.com/musicinmybrain) updated doctest.
+230. [Doron Behar](https://github.com/doronbehar) fixed pkg-config.pc.
+231. [raduteo](https://github.com/raduteo) fixed a warning.
+232. [David Pfahler](https://github.com/theShmoo) added the possibility to compile the library without I/O support.
+233. [Morten Fyhn Amundsen](https://github.com/mortenfyhn) fixed a typo.
+234. [jpl-mac](https://github.com/jpl-mac) allowed treating the library as a system header in CMake.
+235. [Jason Dsouza](https://github.com/jasmcaus) fixed the indentation of the CMake file.
+236. [offa](https://github.com/offa) added a link to Conan Center to the documentation.
+237. [Rafail Giavrimis](https://github.com/grafail) fixed the Google Benchmark default branch.
+238. [Louis Dionne](https://github.com/ldionne) fixed a conversion operator.
+239. [justanotheranonymoususer](https://github.com/justanotheranonymoususer) made the examples in the README more consistent.
+240. [Finkman](https://github.com/Finkman) suppressed some `-Wfloat-equal` warnings and fixed the debug pretty-printer.
+241. [Ferry Huberts](https://github.com/fhuberts) fixed `-Wswitch-enum` warnings and fixed a typo.
+242. [Arseniy Terekhin](https://github.com/senyai) made the GDB pretty-printer robust against unset variable names.
+243. [Amir Masoud Abdol](https://github.com/amirmasoudabdol) updated the Homebrew command as nlohmann/json is now in homebrew-core.
+244. [Hallot](https://github.com/Hallot) fixed some `-Wextra-semi-stmt warnings`.
+245. [Giovanni Cerretani](https://github.com/gcerretani) fixed `-Wunused` warnings on `JSON_DIAGNOSTICS` and fixed a check for `std::filesystem`.
+246. [Bogdan Popescu](https://github.com/Kapeli) hosts the [docset](https://github.com/Kapeli/Dash-User-Contributions/tree/master/docsets/JSON_for_Modern_C%2B%2B) for offline documentation viewers.
+247. [Carl Smedstad](https://github.com/carlsmedstad) fixed an assertion error when using `JSON_DIAGNOSTICS`.
+248. [miikka75](https://github.com/miikka75) provided an important fix to compile C++17 code with Clang 9.
+249. [Maarten Becker](https://github.com/kernie) fixed a warning for shadowed variables.
+250. [Cristi Vîjdea](https://github.com/axnsan12) fixed typos in the `operator[]` documentation.
+251. [Alex Beregszaszi](https://github.com/axic) fixed spelling mistakes in comments.
+252. [Dirk Stolle](https://github.com/striezel) fixed typos in the documentation.
+253. [Daniel Albuschat](https://github.com/daniel-kun) corrected the parameter name in the `parse` documentation.
+254. [Prince Mendiratta](https://github.com/Prince-Mendiratta) fixed a link to the FAQ.
+255. [Florian Albrechtskirchinger](https://github.com/falbrechtskirchinger) implemented `std::string_view` support for object keys and made dozens of other improvements.
+256. [Qianqian Fang](https://github.com/fangq) implemented the Binary JData (BJData) format.
+257. [pketelsen](https://github.com/pketelsen) added macros `NLOHMANN_DEFINE_TYPE_INTRUSIVE_WITH_DEFAULT` and `NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE_WITH_DEFAULT`.
+258. [DarkZeros](https://github.com/DarkZeros) adjusted to code to not clash with Arduino defines.
+259. [flagarde](https://github.com/flagarde) fixed the output of `meta()` for MSVC.
+260. [Dimitris Apostolou](https://github.com/rex4539) fixed a typo.
+261. [Michael Nosthoff](https://github.com/heinemml) fixed a typo.
+262. [JungHoon Lee](https://github.com/jhnlee) fixed a typo.
+263. [Faruk D.](https://github.com/fdiblen) fixed the CITATION.CFF file.
+264. [Andrea Cocito](https://github.com/puffetto) added a clarification on macro usage to the documentation.
+265. [Krzysiek Karbowiak](https://github.com/kkarbowiak) refactored the tests to use `CHECK_THROWS_WITH_AS`.
+266. [Chaoqi Zhang](https://github.com/prncoprs) fixed a typo.
+267. [ivanovmp](https://github.com/ivanovmp) fixed a whitespace error.
+268. [KsaNL](https://github.com/KsaNL) fixed a build error when including `<windows.h>`.
+269. [Andrea Pappacoda](https://github.com/Tachi107) moved `.pc` and `.cmake` files to `share` directory.
+270. [Wolf Vollprecht](https://github.com/wolfv) added the `patch_inplace` function.
+271. [Jake Zimmerman](https://github.com/jez) highlighted common usage patterns in the README file.
+272. [NN](https://github.com/NN---) added the Visual Studio output directory to `.gitignore`.
+273. [Romain Reignier](https://github.com/romainreignier) improved the performance of the vector output adapter.
+274. [Mike](https://github.com/Mike-Leo-Smith) fixed the `std::iterator_traits`.
+275. [Richard Hozák](https://github.com/richardhozak) added macro `JSON_NO_ENUM` to disable default enum conversions.
+276. [vakokako](https://github.com/vakokako) fixed tests when compiling with C++20.
+277. [Alexander “weej” Jones](https://github.com/alexweej) fixed an example in the README.
+278. [Eli Schwartz](https://github.com/eli-schwartz) added more files to the `include.zip` archive.
+279. [Kevin Lu](https://github.com/kevinlul) fixed a compilation issue when typedefs with certain names were present.
+280. [Trevor Hickey](https://github.com/luxe) improved the description of an example.
+281. [Jef LeCompte](https://github.com/jef) updated the year in the README file.
+282. [Alexandre Hamez](https://github.com/ahamez) fixed a warning.
+283. [Maninderpal Badhan](https://github.com/mbadhan) fixed a typo.
+284. [kevin--](https://github.com/kevin--) added a note to an example in the README file.
+285. [I](https://github.com/wx257osn2) fixed a typo.
+286. [Gregorio Litenstein](https://github.com/Lord-Kamina) fixed the Clang detection.
+287. [Andreas Smas](https://github.com/andoma) added a Doozer badge.
+288. [WanCW](https://github.com/wancw) fixed the string conversion with Clang.
+289. [zhaohuaxishi](https://github.com/zhaohuaxishi) fixed a Doxygen error.
+290. [emvivre](https://github.com/emvivre) removed an invalid parameter from CMake.
+291. [Tobias Hermann](https://github.com/Dobiasd) fixed a link in the README file.
+292. [Michael](https://github.com/traits) fixed a warning.
+293. [Ryan Mulder](https://github.com/ryanjmulder) added `ensure_ascii` to the `dump` function.
+294. [Muri Nicanor](https://github.com/murinicanor) fixed the `sed` discovery in the Makefile.
+295. [David Avedissian](https://github.com/dgavedissian) implemented SFINAE-friendly `iterator_traits`.
+296. [AQNOUCH Mohammed](https://github.com/aqnouch) fixed a typo in the README.
+297. [Gareth Sylvester-Bradley](https://github.com/garethsb) added `operator/=` and `operator/` to construct JSON pointers.
+298. [Michael Macnair](https://github.com/mykter) added support for afl-fuzz testing.
+299. [Berkus Decker](https://github.com/berkus) fixed a typo in the README.
+300. [Illia Polishchuk](https://github.com/ilqvya) improved the CMake testing.
+301. [Ikko Ashimine](https://github.com/eltociear) fixed two typos.
+302. [Raphael Grimm](https://github.com/barcode) added the possibility to define a custom base class.
+303. [tocic](https://github.com/tocic) fixed typos in the documentation.
+304. [Vertexwahn](https://github.com/Vertexwahn) added Bazel build support.
+305. [DavidKorczynski](https://github.com/DavidKorczynski) added a CIFuzz CI GitHub action.
+306. [Florian Segginger](https://github.com/floriansegginger) bumped the years in the README.
+307. [haadfida](https://github.com/haadfida) cleaned up the badges of used services.
+308. [Arsen Arsenović](https://github.com/ArsenArsen) fixed a build error.
+309. [theevilone45](https://github.com/theevilone45) fixed a typo in a CMake file.
+310. [Sergei Trofimovich](https://github.com/trofi) fixed the custom allocator support.
+311. [Joyce](https://github.com/joycebrum) fixed some security issues in the GitHub workflows.
+312. [Nicolas Jakob](https://github.com/njakob) add vcpkg version badge.
+313. [Tomerkm](https://github.com/Tomerkm) added tests.
+314. [No.](https://github.com/tusooa) fixed the use of `get<>` calls.
+315. [taro](https://github.com/tarolling) fixed a typo in the `CODEOWNERS` file.
+316. [Felix Yan](https://github.com/felixonmars) fixed a typo in the README.
+317. [HO-COOH](https://github.com/HO-COOH) fixed a parenthesis in the documentation.
+318. [miny1233](https://github.com/miny1233) fixed a parenthesis in the documentation.
+319. [tomalakgeretkal](https://github.com/tomalakgeretkal) fixed a compilation error.
+320. [alferov](https://github.com/ALF-ONE) fixed a compilation error and fixed a version in the documentation.
+321. [Craig Scott](https://github.com/craigscott-crascit) fixed a deprecation warning in CMake.
+322. [Vyacheslav Zhdanovskiy](https://github.com/ZeronSix) added macros for serialization-only types.
+323. [Mathieu Westphal](https://github.com/mwestphal) fixed typos.
+324. [scribam](https://github.com/scribam) fixed the MinGW workflow.
+325. [Aleksei Sapitskii](https://github.com/aleksproger) added support for Apple's Swift Package Manager.
+326. [Benjamin Buch](https://github.com/bebuch) fixed the installation path in CMake.
+327. [Colby Haskell](https://github.com/colbychaskell) clarified the parse error message in case a file cannot be opened.
+328. [Juan Carlos Arevalo Baeza](https://github.com/TheJCAB) fixed the enum conversion.
+329. [ss](https://github.com/serge-s) fixed the amalgamation call.
+330. [AniketDhemare](https://github.com/AniketDhemare) fixed a version in the documentation.
+331. [Philip Müller](https://github.com/philip-paul-mueller) fixed an example.
+332. [Leila Shcheglova](https://github.com/LeilaShcheglova) fixed a warning in a test.
+333. [Alex Prabhat Bara](https://github.com/alexprabhat99) fixed a function name in the documentation.
+334. [laterlaugh](https://github.com/laterlaugh) fixed some typos.
+335. [Yuanhao Jia](https://github.com/MrJia1997) fixed the GDB pretty printer.
+336. [Fallen_Breath](https://github.com/Fallen-Breath) fixed an example for JSON Pointer.
+337. [Nikhil Idiculla](https://github.com/tsnl) fixed some typos.
+338. [Griffin Myers](https://github.com/gmyers18) updated the Natvis file.
+339. [thetimr](https://github.com/thetimr) fixed a typo in the documentation.
+340. [Balazs Erseki](https://github.com/zerocukor287) fixed a URL in the contribution guidelines.
+341. [Niccolò Iardella](https://github.com/rotolof) added `NLOHMANN_DEFINE_DERIVED_TYPE_*` macros.
+342. [Borislav Stanimirov](https://github.com/iboB) allowed overriding the CMake target name.
+343. [Captain Crutches](https://github.com/captaincrutches) made `iterator_proxy_value` a `std::forward_iterator`.
+344. [Fredrik Sandhei](https://github.com/fsandhei) added type conversion support for `std::optional`.
+345. [jh96](https://github.com/jordan-hoang) added exceptions when `nullptr` is passed to `parse`.
+346. [Stuart Gorman](https://github.com/StuartGorman) fixed number parsing when `EINTR` set in `errno`.
+347. [Dylan Baker](https://github.com/dcbaker) generated a pkg-config file that follows the pkg-config conventions.
+348. [Tianyi Chen](https://github.com/TianyiChen) optimized the binary `get_number` implementation.
+349. [peng-wang-cn](https://github.com/peng-wang-cn) added type conversion support for multidimensional arrays.
+350. [Einars Netlis-Galejs](https://github.com/EinarsNG) added `ONLY_SERIALIZE` for `NLOHMANN_DEFINE_DERIVED_TYPE_*` macros.
+351. [Marcel](https://github.com/mering) removed `alwayslink=True` Bazel flag.
+352. [Harinath Nampally](https://github.com/hnampally) added diagnostic positions to exceptions.
+353. [Nissim Armand Ben Danan](https://github.com/NissimBendanan) fixed `NLOHMANN_DEFINE_TYPE_INTRUSIVE_WITH_DEFAULT` with an empty JSON instance.
+354. [Michael Valladolid](https://github.com/codenut) added support for BSON uint64 serialization/deserialization.
+355. [Nikhil](https://github.com/nikhilreddydev) updated the documentation.
+356. [Nebojša Cvetković](https://github.com/nebkat) added support for BJDATA optimized binary array type.
+357. [Sushrut Shringarputale](https://github.com/sushshring) added support for diagnostic positions. 
+358. [kimci86](https://github.com/kimci86) templated to `NLOHMANN_DEFINE_TYPE` macros to also support `ordered_json`.
+359. [Richard Topchii](https://github.com/richardtop) added support for VisionOS in the Swift Package Manager.
+360. [Robert Chisholm](https://github.com/Robadob) fixed a typo.
+361. [zjyhjqs](https://github.com/zjyhjqs) added CPack support.
+362. [bitFiedler](https://github.com/bitFiedler) made GDB pretty printer work with Python 3.8.
+363. [Gianfranco Costamagna](https://github.com/LocutusOfBorg) fixed a compiler warning.
+364. [risa2000](https://github.com/risa2000) made `std::filesystem::path` conversion to/from UTF-8 encoded string explicit.
+365. [AM](https://github.com/maqnouch) fixed typos in the README.
+366. [dmenendez-gruposantander](https://github.com/dmenendez-gruposantander) fixed typos in the comments of the examples.
+367. [Mihai Stan](https://github.com/mstan-xx) fixed comparisons against the literal `0`.
+368. [Matt Gumbel](https://github.com/intelmatt) fixed some `-Weffc++` warnings.
+369. [vimpunk](https://github.com/vimpunk) moved a lambda out of an unevaluated context to support older compilers.
+370. [Chris Harris](https://github.com/cjh1) fixed the compilation with GCC 4.8.
+371. [Palmer Dabbelt](https://github.com/palmer-dabbelt) generated and installed a pkg-config file.
+372. [Gus Pozuelo](https://github.com/ap-viavi) made `ordered_map` compatible with GCC 5.5, Clang 3.6, and Xcode 9.
+373. [AK](https://github.com/Lioncky) fixed an MSVC build error caused by the `min`/`max` macros from `windows.h`.
+374. [Sergiu Deitsch](https://github.com/sergiud) provided a fallback for missing `char8_t` support.
+375. [Xiaochuan Ye](https://github.com/XueSongTap) fixed `from_msgpack` for `std::byte` input by specializing `std::char_traits`.
+376. [Ville Vesilehto](https://github.com/thevilledev) fixed an overflow in the BJData size calculation and rejected overflowing negative integers in CBOR.
+377. [NmPassTHFan](https://github.com/nmpassthf) replaced the deprecated `std::is_trivial` for C++26.
+378. [Chris Ever](https://github.com/chirsz-ever) added the `ignore_trailing_commas` parser option.
+379. [Kuan-Fu Wu](https://github.com/kfwu1999) fixed the example code for `json_pointer` initialization.
+380. [David Kilzer](https://github.com/ddkilzer) added a missing header to the input adapters.
+381. [Miko](https://github.com/mikomikotaishi) added proper C++20 module support, simplified the module API, and fixed missing exports.
+382. [hitgirl](https://github.com/hitgil) fixed the CMake configuration when cross-compiling.
+383. [Devon Thomas](https://github.com/ThomaDevOSU) mentioned the Artistic Style formatting in the contribution guidelines.
+384. [Erik Hu](https://github.com/Erikhu1) made Coveralls upload errors non-fatal in the CI.
+385. [co63oc](https://github.com/co63oc) fixed typos.
+386. [DmitriBogdanov](https://github.com/DmitriBogdanov) fixed broken package manager links in the documentation.
+387. [Bander](https://github.com/banderzhm) improved the MSVC compatibility of the C++ modules.
+388. [Andy Choi](https://github.com/ccpong) removed an unnecessary `template` keyword before `get` in the README and the documentation.
+389. [SamareshSingh](https://github.com/ssam18) fixed single-element brace initialization to copy/move instead of wrapping in an array, fixed the `WITH_DEFAULT` macros for `ordered_map`, and handled moved events in `serve_header.py`.
+390. [Aditya](https://github.com/Lumowhisp) improved the documentation of the documentation generation.
+391. [cheese1](https://github.com/cheese1) clarified the README.
+392. [KhloodElhossiny](https://github.com/khloodelhossiny) enabled `std::string_view` keys in `operator[]`.
+393. [Charles Cabergs](https://github.com/cacharle) fixed a `-Wtautological-constant-out-of-range-compare` warning.
+394. [EALePain](https://github.com/EALePain) made the `std::tuple` conversion work with reference types such as `std::tie`.
+395. [koala_oishi](https://github.com/chibi-dogs) fixed grammatical wording in the README.
+396. [riccardoori11](https://github.com/riccardoori11) fixed a typo in the documentation.
+397. [Swastik Bose](https://github.com/VasuBhakt) fixed the parent pointers after `update()` with `JSON_DIAGNOSTICS` and fixed the Doxygen autolinking of requirements.
+398. [trdesilva](https://github.com/trdesilva) added `front`, `pop_front`, and `push_front` to `json_pointer`.
+399. [Akhilesh Arora](https://github.com/akhilesharora) fixed an incomplete-type error with `ordered_json`.
+400. [Hariom Phulre](https://github.com/hariomphulre) fixed the C++20 modules compilation with GCC.
+401. [Kirill Lokotkov](https://github.com/RUSLoker) fixed printing `long double` values.
+402. [George Sedov](https://github.com/radistmorse) added the `NLOHMANN_DEFINE_TYPE_*_WITH_NAMES` macros.
+403. [Caillin Nugent](https://github.com/nugentcaillin) added the `NLOHMANN_JSON_SERIALIZE_ENUM_STRICT` macro.
+404. [Cosmin D.](https://github.com/drcosmin) fixed `std::filesystem::path` conversions and added an MSVC workaround for `std::unique_ptr`.
+405. [Paul Dreik](https://github.com/pauldreik) fixed a test relying on implementation-specific behavior.
+406. [Daniel Falk](https://github.com/daniel-falk) added missing copyright notices to the SBOM.
+407. [Federico Sfriso](https://github.com/federicosfriso05-dotcom) added support for constructing JSON values from C++20 range views.
+408. [Luke Banicevic](https://github.com/banaboi) fixed corrupt BSON output for lengths exceeding `INT32_MAX`, cleaned up the BSON writer, and improved the documentation.
+409. [Patrick Armstrong](https://github.com/Patrick10199) updated the CBOR references and the half-precision float assertions.
+410. [Yash Bavadiya](https://github.com/xevrion) added checks to all BSON reads.
+411. [hum4nBeing](https://github.com/hum4nBeing) fixed the overflow handling of high-precision numbers in UBJSON.
+412. [tomatotomata](https://github.com/tomatotomata) added checks for reading CBOR tagged subtypes.
+413. [YingqiDuan](https://github.com/YingqiDuan) documented the BSON interoperability.
+414. [KBS](https://github.com/youdie006) documented the standards compliance and the strictness of `parse()` and `operator>>`.
+415. [Petr Bělohlávek](https://github.com/petrbel) added Clang 21 and 22 to the CI.
+416. [Dmitry Rantovov](https://github.com/darkdi) fixed the placement of a CBOR documentation block.
+417. [ljcjclljc](https://github.com/ljcjclljc) fixed the comparison of large unsigned integers with signed integers.
+418. [Sahil Kamate](https://github.com/sahilkamate03) fixed the handling of CBOR tags 0-5 and 21-23.
+419. [Krishnanand G](https://github.com/Krishnanand-G) made the UBJSON writer reject `use_type` without `use_size`.
+420. [whn](https://github.com/Whning0513) documented the lenient BSON input handling and corrected the complexity of `to_bson`.
+421. [elix3r](https://github.com/22elix3r) fixed `update()` with `merge_objects` when merging a primitive into an object.
+422. [Avionic Harshit](https://github.com/avionicharshit-byte) made `diff()` linear when an array shrinks.
+423. [Qatadaha Bin Matloob](https://github.com/qatcod) fixed comparisons between integers and floats and fixed unparsable BJData output.
+424. [Wu Shuwen](https://github.com/dajiaohuang) removed an unused include.
 
 Thanks a lot for helping out! Please [let me know](mailto:mail@nlohmann.me) if I forgot someone.
 
@@ -1879,21 +1850,28 @@ The library itself consists of a single header file licensed under the MIT licen
 - [**AppVeyor**](https://www.appveyor.com) for [continuous integration](https://ci.appveyor.com/project/nlohmann/json) on Windows
 - [**Artistic Style**](https://astyle.sourceforge.net) for automatic source code indentation
 - [**Clang**](https://clang.llvm.org) for compilation with code sanitizers
+- [**Clang-Tidy**](https://clang.llvm.org/extra/clang-tidy/) for static analysis and style checks
 - [**CMake**](https://cmake.org) for build automation
 - [**Codacy**](https://www.codacy.com) for further [code analysis](https://app.codacy.com/gh/nlohmann/json/dashboard)
+- [**CodeQL**](https://codeql.github.com) for code scanning
 - [**Coveralls**](https://coveralls.io) to measure [code coverage](https://coveralls.io/github/nlohmann/json)
 - [**Coverity Scan**](https://scan.coverity.com) for [static analysis](https://scan.coverity.com/projects/nlohmann-json)
 - [**cppcheck**](https://cppcheck.sourceforge.io) for static analysis
-- [**doctest**](https://github.com/onqtam/doctest) for the unit tests
-- [**GitHub Changelog Generator**](https://github.com/skywinder/github-changelog-generator) to generate the [ChangeLog](https://github.com/nlohmann/json/blob/develop/ChangeLog.md)
+- [**cpplint**](https://github.com/cpplint/cpplint) for style checks
+- [**doctest**](https://github.com/doctest/doctest) for the unit tests
+- [**Flawfinder**](https://dwheeler.com/flawfinder/) for static analysis
+- [**GitHub Changelog Generator**](https://github.com/github-changelog-generator/github-changelog-generator) to generate the [ChangeLog](https://github.com/nlohmann/json/blob/develop/ChangeLog.md)
 - [**Google Benchmark**](https://github.com/google/benchmark) to implement the benchmarks
 - [**Hedley**](https://nemequ.github.io/hedley/) to avoid re-inventing several compiler-agnostic feature macros
+- [**include-what-you-use**](https://include-what-you-use.org) to check the included headers
+- [**Infer**](https://fbinfer.com) for static analysis
 - [**lcov**](https://github.com/linux-test-project/lcov) to process coverage information and create an HTML view
 - [**libFuzzer**](https://llvm.org/docs/LibFuzzer.html) to implement fuzz testing for OSS-Fuzz
 - [**Material for MkDocs**](https://squidfunk.github.io/mkdocs-material/) for the style of the documentation site
 - [**MkDocs**](https://www.mkdocs.org) for the documentation site
 - [**OSS-Fuzz**](https://github.com/google/oss-fuzz) for continuous fuzz testing of the library ([project repository](https://github.com/google/oss-fuzz/tree/master/projects/json))
 - [**Probot**](https://probot.github.io) for automating maintainer tasks such as closing stale issues, requesting missing information, or detecting toxic comments.
+- [**Semgrep**](https://semgrep.dev) for static analysis
 - [**Valgrind**](https://valgrind.org) to check for correct memory management
 
 ## Notes
@@ -1987,10 +1965,10 @@ If the testdata is not found, several test suites will fail like this:
 
 ```
 ===============================================================================
-json/tests/src/make_test_data_available.hpp:21:
+json/tests/src/make_test_data_available.hpp:26:
 TEST CASE:  check test suite is downloaded
 
-json/tests/src/make_test_data_available.hpp:23: FATAL ERROR: REQUIRE( utils::check_testsuite_downloaded() ) is NOT correct!
+json/tests/src/make_test_data_available.hpp:28: FATAL ERROR: REQUIRE( utils::check_testsuite_downloaded() ) is NOT correct!
   values: REQUIRE( false )
   logged: Test data not found in 'json/cmake-build-debug/json_test_data'.
           Please execute target 'download_test_data' before running this test suite.
@@ -2001,10 +1979,10 @@ json/tests/src/make_test_data_available.hpp:23: FATAL ERROR: REQUIRE( utils::che
 
 In case you have downloaded the library rather than checked out the code via Git, test `cmake_fetch_content_configure` will fail. Please execute `ctest -LE git_required` to skip these tests. See [issue #2189](https://github.com/nlohmann/json/issues/2189) for more information.
 
-Some tests are requiring network to be properly execute. They are labeled as `git_required`. Please execute `ctest -LE git_required` to skip these tests. See [issue #4851](https://github.com/nlohmann/json/issues/4851) for more information.
+Some tests require network access to execute properly. They are labeled as `git_required`. Please execute `ctest -LE git_required` to skip these tests. See [issue #4851](https://github.com/nlohmann/json/issues/4851) for more information.
 
 Some tests change the installed files and hence make the whole process not reproducible. Please execute `ctest -LE not_reproducible` to skip these tests. See [issue #2324](https://github.com/nlohmann/json/issues/2324) for more information. Furthermore, assertions must be switched off to ensure reproducible builds (see [discussion 4494](https://github.com/nlohmann/json/discussions/4494)).
 
-Note you need to call `cmake -LE "not_reproducible|git_required"` to exclude both labels. See [issue #2596](https://github.com/nlohmann/json/issues/2596) for more information.
+Note you need to call `ctest -LE "not_reproducible|git_required"` to exclude both labels. See [issue #2596](https://github.com/nlohmann/json/issues/2596) for more information.
 
 As Intel compilers use unsafe floating point optimization by default, the unit tests may fail. Use flag [`/fp:precise`](https://www.intel.com/content/www/us/en/docs/cpp-compiler/developer-guide-reference/2021-8/fp-model-fp.html) then.

REUSE.toml

@@ -10,10 +10,10 @@ SPDX-FileCopyrightText = "2013-2026 Niels Lohmann <https://nlohmann.me>"
 SPDX-License-Identifier = "MIT"
 
 [[annotations]]
-path = "include/nlohmann/thirdparty/hedley.hpp"
+path = "include/nlohmann/thirdparty/hedley/hedley.hpp"
 precedence = "aggregate"
 SPDX-FileCopyrightText = "2016-2021 Evan Nemerson <evan@nemerson.com>"
-SPDX-License-Identifier = "CC0"
+SPDX-License-Identifier = "CC0-1.0"
 
 [[annotations]]
 path = "include/nlohmann/detail/meta/cpp_future.hpp"
@@ -50,3 +50,9 @@ path = "tools/gdb_pretty_printer/**"
 precedence = "aggregate"
 SPDX-FileCopyrightText = "2020 Hannes Domani <https://github.com/ssbssa>"
 SPDX-License-Identifier = "MIT"
+
+[[annotations]]
+path = "docs/docset/icon*.png"
+precedence = "override"
+SPDX-FileCopyrightText = "JSON logo (public domain), https://commons.wikimedia.org/wiki/File:JSON_vector_logo.svg"
+SPDX-License-Identifier = "CC0-1.0"

cmake/ci.cmake

@@ -5,15 +5,14 @@ set(N 10)
 # Needed tools.
 ###############################################################################
 
-include(FindPython3)
 find_package(Python3 COMPONENTS Interpreter)
 
-find_program(CLANG_TOOL NAMES clang++-HEAD clang++ clang++-22 clang++-21 clang++-20 clang++-19 clang++-18 clang++-17 clang++-16 clang++-15 clang++-14 clang++-13 clang++-12 clang++-11 clang++)
+find_program(CLANG_TOOL NAMES clang++ clang++-HEAD clang++-22 clang++-21 clang++-20 clang++-19 clang++-18 clang++-17 clang++-16 clang++-15 clang++-14 clang++-13 clang++-12 clang++-11)
 execute_process(COMMAND ${CLANG_TOOL} --version OUTPUT_VARIABLE CLANG_TOOL_VERSION ERROR_VARIABLE CLANG_TOOL_VERSION)
 string(REGEX MATCH "[0-9]+(\\.[0-9]+)+" CLANG_TOOL_VERSION "${CLANG_TOOL_VERSION}")
 message(STATUS "🔖 Clang ${CLANG_TOOL_VERSION} (${CLANG_TOOL})")
 
-find_program(CLANG_TIDY_TOOL NAMES clang-tidy-22 clang-tidy-21 clang-tidy-20 clang-tidy-19 clang-tidy-18 clang-tidy-17 clang-tidy-16 clang-tidy-15 clang-tidy-14 clang-tidy-13 clang-tidy-12 clang-tidy-11 clang-tidy)
+find_program(CLANG_TIDY_TOOL NAMES clang-tidy clang-tidy-22 clang-tidy-21 clang-tidy-20 clang-tidy-19 clang-tidy-18 clang-tidy-17 clang-tidy-16 clang-tidy-15 clang-tidy-14 clang-tidy-13 clang-tidy-12 clang-tidy-11)
 execute_process(COMMAND ${CLANG_TIDY_TOOL} --version OUTPUT_VARIABLE CLANG_TIDY_TOOL_VERSION ERROR_VARIABLE CLANG_TIDY_TOOL_VERSION)
 string(REGEX MATCH "[0-9]+(\\.[0-9]+)+" CLANG_TIDY_TOOL_VERSION "${CLANG_TIDY_TOOL_VERSION}")
 message(STATUS "🔖 Clang-Tidy ${CLANG_TIDY_TOOL_VERSION} (${CLANG_TIDY_TOOL})")
@@ -69,9 +68,7 @@ string(REGEX MATCH "[0-9]+(\\.[0-9]+)+" VALGRIND_TOOL_VERSION "${VALGRIND_TOOL_V
 message(STATUS "🔖 Valgrind ${VALGRIND_TOOL_VERSION} (${VALGRIND_TOOL})")
 
 find_program(GENHTML_TOOL NAMES genhtml)
-find_program(PLOG_CONVERTER_TOOL NAMES plog-converter)
-find_program(PVS_STUDIO_ANALYZER_TOOL NAMES pvs-studio-analyzer)
-find_program(SCAN_BUILD_TOOL NAMES scan-build-15 scan-build-14 scan-build-13 scan-build-12 scan-build-11 scan-build)
+find_program(SCAN_BUILD_TOOL NAMES scan-build scan-build-22 scan-build-21 scan-build-20 scan-build-19 scan-build-18 scan-build-17 scan-build-16 scan-build-15 scan-build-14 scan-build-13 scan-build-12 scan-build-11)
 
 # the individual source files
 file(GLOB_RECURSE SRC_FILES ${PROJECT_SOURCE_DIR}/include/nlohmann/*.hpp)
@@ -367,7 +364,7 @@ add_custom_target(ci_test_coverage
     COMMAND ${LCOV_TOOL} --directory . --capture --output-file json.info --rc branch_coverage=1 --rc geninfo_unexecuted_blocks=1 --ignore-errors mismatch --ignore-errors unused
     COMMAND ${LCOV_TOOL} -e json.info ${SRC_FILES} --output-file json.info.filtered --rc branch_coverage=1 --ignore-errors unused
     COMMAND ${CMAKE_SOURCE_DIR}/tests/thirdparty/imapdl/filterbr.py json.info.filtered > json.info.filtered.noexcept
-    COMMAND genhtml --title "JSON for Modern C++" --legend --demangle-cpp --output-directory html --show-details --branch-coverage json.info.filtered.noexcept
+    COMMAND ${GENHTML_TOOL} --title "JSON for Modern C++" --legend --demangle-cpp --output-directory html --show-details --branch-coverage json.info.filtered.noexcept
 
     COMMENT "Compile and test with coverage"
 )
@@ -392,8 +389,8 @@ add_custom_target(ci_test_clang_sanitizer
 # Check if header is amalgamated and sources are properly indented.
 ###############################################################################
 
-# Same file set as .github/workflows/check_amalgamation.yml, so a direct push to develop/master/release/*
-# (which only this CMake target checks, not the pull_request-only workflow) is held to the same standard.
+# Same file set as .github/workflows/check_amalgamation.yml, so this CMake target (which can be run locally) is held
+# to the same standard as the workflow (which runs for pull requests and for pushes to develop/master/release/*).
 file(GLOB_RECURSE INDENT_FILES
     ${PROJECT_SOURCE_DIR}/docs/mkdocs/docs/examples/*.hpp
     ${PROJECT_SOURCE_DIR}/docs/mkdocs/docs/examples/*.cpp
@@ -423,7 +420,7 @@ add_custom_target(ci_test_amalgamation
     COMMAND ${Python3_EXECUTABLE} ${tool_dir}/amalgamate.py -c ${tool_dir}/config_json.json -s .
     COMMAND ${Python3_EXECUTABLE} ${tool_dir}/amalgamate.py -c ${tool_dir}/config_json_fwd.json -s .
     COMMAND cp ${PROJECT_SOURCE_DIR}/include/nlohmann/json_literals.hpp ${include_dir}/json_literals.hpp
-    COMMAND venv_astyle/bin/astyle --project=tools/astyle/.astylerc --suffix=none ${include_dir}/json.hpp ${include_dir}/json_fwd.hpp
+    COMMAND venv_astyle/bin/astyle --project=tools/astyle/.astylerc --suffix=none ${include_dir}/json.hpp ${include_dir}/json_fwd.hpp ${include_dir}/json_literals.hpp
     COMMAND ${CMAKE_COMMAND} -P ${PROJECT_SOURCE_DIR}/cmake/scripts/gen_bazel_build_file.cmake
 
     COMMAND diff ${include_dir}/json.hpp~ ${include_dir}/json.hpp
@@ -434,6 +431,8 @@ add_custom_target(ci_test_amalgamation
     COMMAND venv_astyle/bin/astyle --project=tools/astyle/.astylerc --suffix=orig ${INDENT_FILES}
     COMMAND for FILE in `find . -name '*.orig'`\; do false \; done
 
+    COMMAND rm -f ${include_dir}/json.hpp~ ${include_dir}/json_fwd.hpp~ ${include_dir}/json_literals.hpp~ ${PROJECT_SOURCE_DIR}/BUILD.bazel~
+
     WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
     COMMENT "Check amalgamation, formatting, and BUILD.bazel"
 )
@@ -719,7 +718,7 @@ ci_get_cmake(4.0.0  CMAKE_4_0_0_BINARY)
 
 # the tests require CMake 3.13 or later, so they are excluded for CMake 3.5.0
 set(JSON_CMAKE_FLAGS_3_5_0 JSON_Diagnostics JSON_Diagnostic_Positions JSON_GlobalUDLs JSON_ImplicitConversions JSON_DisableEnumSerialization
-    JSON_LegacyDiscardedValueComparison JSON_Install JSON_MultipleHeaders JSON_SystemInclude JSON_Valgrind
+    JSON_DisableTupleReferenceConversion JSON_LegacyDiscardedValueComparison JSON_Install JSON_MultipleHeaders JSON_SystemInclude JSON_Valgrind
     JSON_StrictNulHandling JSON_StrictBinaryUTF8 JSON_DeleteDeprecatedFunctions)
 set(JSON_CMAKE_FLAGS_3_31_6 JSON_BuildTests ${JSON_CMAKE_FLAGS_3_5_0})
 set(JSON_CMAKE_FLAGS_4_0_0 JSON_BuildTests ${JSON_CMAKE_FLAGS_3_5_0})
@@ -776,17 +775,14 @@ add_custom_target(ci_cmake_flags
 # Use more installed compilers.
 ###############################################################################
 
-foreach(COMPILER g++-4.8 g++-4.9 g++-5 g++-6 g++-7 g++-8 g++-9 g++-10 g++-11 clang++-3.5 clang++-3.6 clang++-3.7 clang++-3.8 clang++-3.9 clang++-4.0 clang++-5.0 clang++-6.0 clang++-7 clang++-8 clang++-9 clang++-10 clang++-11 clang++-12 clang++-13 clang++-14 clang++-15 clang++-16 clang++-17 clang++-18 clang++-19 clang++-20)
+foreach(COMPILER g++-4.8 g++-4.9 g++-5 g++-6)
     find_program(COMPILER_TOOL NAMES ${COMPILER})
     if (COMPILER_TOOL)
-        unset(ADDITIONAL_FLAGS)
-
         add_custom_target(ci_test_compiler_${COMPILER}
             COMMAND CXX=${COMPILER} ${CMAKE_COMMAND}
                 -DCMAKE_BUILD_TYPE=Debug -GNinja
                 -DJSON_BuildTests=ON -DJSON_FastTests=ON
                 -S${PROJECT_SOURCE_DIR} -B${PROJECT_BINARY_DIR}/build_compiler_${COMPILER}
-                ${ADDITIONAL_FLAGS}
             COMMAND ${CMAKE_COMMAND} --build ${PROJECT_BINARY_DIR}/build_compiler_${COMPILER}
             COMMAND cd ${PROJECT_BINARY_DIR}/build_compiler_${COMPILER} && ${CMAKE_CTEST_COMMAND} --parallel ${N} --output-on-failure
             COMMENT "Compile and test with ${COMPILER}"
@@ -800,7 +796,6 @@ add_custom_target(ci_test_compiler_default
         -DCMAKE_BUILD_TYPE=Debug -GNinja
         -DJSON_BuildTests=ON -DJSON_FastTests=ON
         -S${PROJECT_SOURCE_DIR} -B${PROJECT_BINARY_DIR}/build_compiler_default
-        ${ADDITIONAL_FLAGS}
     COMMAND ${CMAKE_COMMAND} --build ${PROJECT_BINARY_DIR}/build_compiler_default --parallel ${N}
     COMMAND cd ${PROJECT_BINARY_DIR}/build_compiler_default && ${CMAKE_CTEST_COMMAND} --parallel ${N} -LE git_required --output-on-failure
     COMMENT "Compile and test with default C++ compiler"
@@ -825,8 +820,10 @@ add_custom_target(ci_module_cpp20
     COMMAND ${CMAKE_COMMAND}
         -DCMAKE_BUILD_TYPE=Debug -GNinja
         -DJSON_CI=ON -DNLOHMANN_JSON_BUILD_MODULES=ON -DJSON_Install=ON
+        "-DCMAKE_CXX_FLAGS=${CMAKE_CXX_FLAGS}"
         -S${PROJECT_SOURCE_DIR}/tests/module_cpp20 -B${PROJECT_BINARY_DIR}/ci_module_cpp20
     COMMAND ${CMAKE_COMMAND} --build ${PROJECT_BINARY_DIR}/ci_module_cpp20
+    VERBATIM
 )
 
 ###############################################################################

cmake/scripts/gen_bazel_build_file.cmake

@@ -49,6 +49,7 @@ cc_library(
     hdrs = [
         "single_include/nlohmann/json.hpp",
         "single_include/nlohmann/json_fwd.hpp",
+        "single_include/nlohmann/json_literals.hpp",
     ],
     includes = ["single_include"],
     visibility = ["//visibility:public"],

docs/README.md

@@ -7,12 +7,12 @@ This URL provides the most recent documentation and also applies to previous ver
 functions is not removed; instead, it is marked as deprecated.
 
 If you want to view the documentation for a specific tag or commit hash, you can generate it locally as follows (example
-using tag `v3.10.2`):
+using tag `v3.12.0`):
 
 ```shell
 git clone https://github.com/nlohmann/json.git
 cd json
-git checkout v3.10.2
+git checkout v3.12.0
 make install_venv serve -C docs/mkdocs
 ```
 

docs/docset/Makefile

@@ -1,48 +1,24 @@
 SHELL=/usr/bin/env bash
-SED ?= $(shell which gsed 2>/dev/null || which sed)
-
-MKDOCS_PAGES=$(shell cd ../mkdocs/docs/ && find * -type f -name '*.md' | sort)
+PYTHON=../mkdocs/venv/bin/python3
 
 .PHONY: all
 all: JSON_for_Modern_C++.tgz
 
-docSet.dsidx: docSet.sql
-	# generate index
-	sqlite3 docSet.dsidx <docSet.sql
+# generate the search index (the docset target does this itself, this is
+# only handy for inspecting the index)
+docSet.dsidx: generate_docset.py
+	$(PYTHON) generate_docset.py index docSet.dsidx
 
-JSON_for_Modern_C++.docset: Info.plist docSet.dsidx
-	rm -fr JSON_for_Modern_C++.docset JSON_for_Modern_C++.tgz
-	mkdir -p JSON_for_Modern_C++.docset/Contents/Resources/Documents/
-	cp icon*.png JSON_for_Modern_C++.docset
-	cp Info.plist JSON_for_Modern_C++.docset/Contents
-	# build and copy documentation
+# build the documentation and turn it into a self-contained docset
+.PHONY: JSON_for_Modern_C++.docset
+JSON_for_Modern_C++.docset:
 	$(MAKE) install_venv -C ../mkdocs
 	$(MAKE) build -C ../mkdocs
-	cp -r ../mkdocs/site/* JSON_for_Modern_C++.docset/Contents/Resources/Documents
-	# patch CSS to hide navigation items
-	echo -e "\n\nheader, footer, nav.md-tabs, nav.md-tabs--active, div.md-sidebar--primary, a.md-content__button { display: none; }" >> "$$(ls JSON_for_Modern_C++.docset/Contents/Resources/Documents/assets/stylesheets/main.*.min.css)"
-	# fix spacing
-	echo -e "\n\ndiv.md-sidebar div.md-sidebar--secondary, div.md-main__inner { top: 0; margin-top: 0 }" >> "$$(ls JSON_for_Modern_C++.docset/Contents/Resources/Documents/assets/stylesheets/main.*.min.css)"
-	# remove "JSON for Modern C++" from page titles (fallback)
-	find JSON_for_Modern_C++.docset/Contents/Resources/Documents -type f -exec $(SED) -i 's| - JSON for Modern C++</title>|</title>|' {} +
-	# replace page titles with name from index, if available
-	for page in $(MKDOCS_PAGES); do \
-		case "$$page" in \
-			*/index.md) path=$${page/\/index.md/} ;; \
-			*)          path=$${page/.md/}        ;; \
-		esac; \
-		title=$$(sqlite3 docSet.dsidx "SELECT name FROM searchIndex WHERE path='$$path/index.html'" | tr '\n' ',' | $(SED) -e 's/,/, /g' -e 's/, $$/\n/'); \
-		if [ "x$$title" != "x" ]; then \
-			$(SED) -i "s%<title>.*</title>%<title>$$title</title>%" "JSON_for_Modern_C++.docset/Contents/Resources/Documents/$$path/index.html"; \
-		fi \
-	done
-	# clean up
-	rm JSON_for_Modern_C++.docset/Contents/Resources/Documents/sitemap.*
-	# copy index
-	cp docSet.dsidx JSON_for_Modern_C++.docset/Contents/Resources/
+	$(PYTHON) generate_docset.py docset ../mkdocs/site .
 
+.PHONY: JSON_for_Modern_C++.tgz
 JSON_for_Modern_C++.tgz: JSON_for_Modern_C++.docset
-	tar --exclude='.DS_Store' -cvzf JSON_for_Modern_C++.tgz JSON_for_Modern_C++.docset
+	$(PYTHON) generate_docset.py tgz .
 
 # install docset for Zeal documentation browser (https://zealdocs.org/)
 .PHONY: install_docset_zeal
@@ -52,26 +28,6 @@ install_docset_zeal: JSON_for_Modern_C++.docset
 	mkdir -p $$docset_root; \
 	cp -r JSON_for_Modern_C++.docset $$docset_root/
 
-# both targets below compare the docset search index with the mkdocs page
-# set. They share the same normalization (docs/foo/index.md and
-# docs/foo.md both become foo/index.html, the URL mkdocs itself would
-# give the page; the top-level index.md is excluded, as it is not part
-# of the hand-curated docSet.sql) and use comm(1) on two sorted lists
-# instead of running a sqlite3 query, or an O(n*m) nested shell loop,
-# once per page.
-DOCSET_INDEX_PATHS=$(shell sqlite3 docSet.dsidx "SELECT DISTINCT path FROM searchIndex" | sort)
-DOCSET_PAGE_PATHS=$(shell echo '$(MKDOCS_PAGES)' | tr ' ' '\n' | grep -v '^index\.md$$' | $(SED) -E 's@/index\.md$$@/index.html@; s@\.md$$@/index.html@' | sort)
-
-# list mkdocs pages missing from the docset index
-.PHONY: list_missing_pages
-list_missing_pages: docSet.dsidx
-	@comm -23 <(echo '$(DOCSET_PAGE_PATHS)' | tr ' ' '\n') <(echo '$(DOCSET_INDEX_PATHS)' | tr ' ' '\n')
-
-# list paths in the docset index without a corresponding mkdocs page
-.PHONY: list_removed_paths
-list_removed_paths: docSet.dsidx
-	@comm -13 <(echo '$(DOCSET_PAGE_PATHS)' | tr ' ' '\n') <(echo '$(DOCSET_INDEX_PATHS)' | tr ' ' '\n')
-
 .PHONY: clean
 clean:
 	rm -f docSet.dsidx

docs/docset/README.md

@@ -4,7 +4,8 @@ The folder contains the required files to create a [docset](https://kapeli.com/d
 documentation browsers like [Dash](https://kapeli.com/dash), [Velocity](https://velocity.silverlakesoftware.com), or
 [Zeal](https://zealdocs.org).
 
-The docset can be created with
+The docset (pages and search index) is generated by `generate_docset.py` from the mkdocs site and `mkdocs.yml`. It
+can be created with
 
 ```sh
 make JSON_for_Modern_C++.docset
@@ -12,6 +13,7 @@ make JSON_for_Modern_C++.docset
 
 The generated folder `JSON_for_Modern_C++.docset` can then be opened in the documentation browser. `make all` builds a
 `JSON_for_Modern_C++.tgz` archive instead, and `make install_docset_zeal` installs the docset for Zeal directly.
+`make docSet.dsidx` builds only the search index.
 
 A recent version is also part of the [Dash user contributions](https://github.com/Kapeli/Dash-User-Contributions/tree/master/docsets/JSON_for_Modern_C%2B%2B).
 

docs/docset/docSet.sql

@@ -1,289 +0,0 @@
-DROP TABLE IF EXISTS searchIndex;
-CREATE TABLE searchIndex(id INTEGER PRIMARY KEY, name TEXT, type TEXT, path TEXT);
-CREATE UNIQUE INDEX anchor ON searchIndex (name, type, path);
-
--- API
-INSERT INTO searchIndex(name, type, path) VALUES ('adl_serializer', 'Class', 'api/adl_serializer/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('adl_serializer::from_json', 'Function', 'api/adl_serializer/from_json/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('adl_serializer::to_json', 'Function', 'api/adl_serializer/to_json/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('byte_container_with_subtype', 'Class', 'api/byte_container_with_subtype/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('byte_container_with_subtype::byte_container_with_subtype', 'Constructor', 'api/byte_container_with_subtype/byte_container_with_subtype/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('byte_container_with_subtype::clear_subtype', 'Method', 'api/byte_container_with_subtype/clear_subtype/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('byte_container_with_subtype::has_subtype', 'Method', 'api/byte_container_with_subtype/has_subtype/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('byte_container_with_subtype::operator!=', 'Operator', 'api/byte_container_with_subtype/operator_ne/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('byte_container_with_subtype::operator==', 'Operator', 'api/byte_container_with_subtype/operator_eq/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('byte_container_with_subtype::set_subtype', 'Method', 'api/byte_container_with_subtype/set_subtype/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('byte_container_with_subtype::subtype', 'Method', 'api/byte_container_with_subtype/subtype/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json', 'Class', 'api/basic_json/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('format_as', 'Function', 'api/basic_json/format_as/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::accept', 'Function', 'api/basic_json/accept/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::array', 'Function', 'api/basic_json/array/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::array_t', 'Type', 'api/basic_json/array_t/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::as_base_class', 'Method', 'api/basic_json/as_base_class/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::at', 'Method', 'api/basic_json/at/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::back', 'Method', 'api/basic_json/back/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::basic_json', 'Constructor', 'api/basic_json/basic_json/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::begin', 'Method', 'api/basic_json/begin/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::binary', 'Function', 'api/basic_json/binary/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::binary_t', 'Type', 'api/basic_json/binary_t/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::boolean_t', 'Type', 'api/basic_json/boolean_t/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::cbegin', 'Method', 'api/basic_json/cbegin/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::cbor_tag_handler_t', 'Enum', 'api/basic_json/cbor_tag_handler_t/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::cend', 'Method', 'api/basic_json/cend/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::clear', 'Method', 'api/basic_json/clear/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::contains', 'Method', 'api/basic_json/contains/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::count', 'Method', 'api/basic_json/count/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::crbegin', 'Method', 'api/basic_json/crbegin/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::crend', 'Method', 'api/basic_json/crend/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::default_object_comparator_t', 'Type', 'api/basic_json/default_object_comparator_t/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::diff', 'Function', 'api/basic_json/diff/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::dump', 'Method', 'api/basic_json/dump/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::emplace', 'Method', 'api/basic_json/emplace/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::emplace_back', 'Method', 'api/basic_json/emplace_back/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::empty', 'Method', 'api/basic_json/empty/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::end', 'Method', 'api/basic_json/end/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::end_pos', 'Method', 'api/basic_json/end_pos/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::erase', 'Method', 'api/basic_json/erase/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::error_handler_t', 'Enum', 'api/basic_json/error_handler_t/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::exception', 'Class', 'api/basic_json/exception/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::find', 'Method', 'api/basic_json/find/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::flatten', 'Method', 'api/basic_json/flatten/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::from_bjdata', 'Function', 'api/basic_json/from_bjdata/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::from_bson', 'Function', 'api/basic_json/from_bson/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::from_cbor', 'Function', 'api/basic_json/from_cbor/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::from_msgpack', 'Function', 'api/basic_json/from_msgpack/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::from_bon8', 'Function', 'api/basic_json/from_bon8/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::from_ubjson', 'Function', 'api/basic_json/from_ubjson/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::front', 'Method', 'api/basic_json/front/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::get', 'Method', 'api/basic_json/get/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::get_allocator', 'Function', 'api/basic_json/get_allocator/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::get_binary', 'Method', 'api/basic_json/get_binary/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::get_ptr', 'Method', 'api/basic_json/get_ptr/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::get_ref', 'Method', 'api/basic_json/get_ref/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::get_to', 'Method', 'api/basic_json/get_to/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::input_format_t', 'Enum', 'api/basic_json/input_format_t/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::insert', 'Method', 'api/basic_json/insert/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::invalid_iterator', 'Class', 'api/basic_json/invalid_iterator/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::is_array', 'Method', 'api/basic_json/is_array/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::is_binary', 'Method', 'api/basic_json/is_binary/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::is_boolean', 'Method', 'api/basic_json/is_boolean/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::is_discarded', 'Method', 'api/basic_json/is_discarded/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::is_null', 'Method', 'api/basic_json/is_null/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::is_number', 'Method', 'api/basic_json/is_number/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::is_number_float', 'Method', 'api/basic_json/is_number_float/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::is_number_integer', 'Method', 'api/basic_json/is_number_integer/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::is_number_unsigned', 'Method', 'api/basic_json/is_number_unsigned/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::is_object', 'Method', 'api/basic_json/is_object/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::is_primitive', 'Method', 'api/basic_json/is_primitive/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::is_string', 'Method', 'api/basic_json/is_string/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::is_structured', 'Method', 'api/basic_json/is_structured/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::items', 'Method', 'api/basic_json/items/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::json_base_class_t', 'Type', 'api/basic_json/json_base_class_t/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::json_serializer', 'Class', 'api/basic_json/json_serializer/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::max_size', 'Method', 'api/basic_json/max_size/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::merge_patch', 'Method', 'api/basic_json/merge_patch/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::meta', 'Function', 'api/basic_json/meta/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::number_float_t', 'Type', 'api/basic_json/number_float_t/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::number_integer_t', 'Type', 'api/basic_json/number_integer_t/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::number_unsigned_t', 'Type', 'api/basic_json/number_unsigned_t/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::object', 'Function', 'api/basic_json/object/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::object_comparator_t', 'Type', 'api/basic_json/object_comparator_t/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::object_t', 'Type', 'api/basic_json/object_t/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::operator ValueType', 'Operator', 'api/basic_json/operator_ValueType/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::operator value_t', 'Operator', 'api/basic_json/operator_value_t/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::operator[]', 'Operator', 'api/basic_json/operator[]/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::operator=', 'Operator', 'api/basic_json/operator=/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::operator+=', 'Operator', 'api/basic_json/operator+=/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::operator==', 'Operator', 'api/basic_json/operator_eq/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::operator!=', 'Operator', 'api/basic_json/operator_ne/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::operator<', 'Operator', 'api/basic_json/operator_lt/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::operator<=', 'Operator', 'api/basic_json/operator_le/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::operator>', 'Operator', 'api/basic_json/operator_gt/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::operator>=', 'Operator', 'api/basic_json/operator_ge/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::operator<=>', 'Operator', 'api/basic_json/operator_spaceship/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::out_of_range', 'Class', 'api/basic_json/out_of_range/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::other_error', 'Class', 'api/basic_json/other_error/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::parse', 'Function', 'api/basic_json/parse/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::parse_error', 'Class', 'api/basic_json/parse_error/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::parse_event_t', 'Enum', 'api/basic_json/parse_event_t/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::parser_callback_t', 'Type', 'api/basic_json/parser_callback_t/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::patch', 'Method', 'api/basic_json/patch/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::patch_inplace', 'Method', 'api/basic_json/patch_inplace/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::push_back', 'Method', 'api/basic_json/push_back/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::rbegin', 'Method', 'api/basic_json/rbegin/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::rend', 'Method', 'api/basic_json/rend/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::sax_parse', 'Function', 'api/basic_json/sax_parse/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::size', 'Method', 'api/basic_json/size/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::start_pos', 'Method', 'api/basic_json/start_pos/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::string_t', 'Type', 'api/basic_json/string_t/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::swap', 'Method', 'api/basic_json/swap/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::type', 'Method', 'api/basic_json/type/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::type_error', 'Class', 'api/basic_json/type_error/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::type_name', 'Method', 'api/basic_json/type_name/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::unflatten', 'Method', 'api/basic_json/unflatten/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::update', 'Method', 'api/basic_json/update/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::to_bjdata', 'Function', 'api/basic_json/to_bjdata/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::to_bson', 'Function', 'api/basic_json/to_bson/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::to_cbor', 'Function', 'api/basic_json/to_cbor/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::to_msgpack', 'Function', 'api/basic_json/to_msgpack/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::to_bon8', 'Function', 'api/basic_json/to_bon8/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::to_string', 'Method', 'api/basic_json/to_string/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::to_ubjson', 'Function', 'api/basic_json/to_ubjson/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::value', 'Method', 'api/basic_json/value/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::value_t', 'Enum', 'api/basic_json/value_t/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::with_t', 'Type', 'api/basic_json/with_t/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::~basic_json', 'Method', 'api/basic_json/~basic_json/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('json', 'Class', 'api/json/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('json_pointer', 'Class', 'api/json_pointer/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('json_pointer::back', 'Method', 'api/json_pointer/back/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('json_pointer::empty', 'Method', 'api/json_pointer/empty/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('json_pointer::front', 'Method', 'api/json_pointer/front/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('json_pointer::json_pointer', 'Constructor', 'api/json_pointer/json_pointer/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('json_pointer::operator==', 'Operator', 'api/json_pointer/operator_eq/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('json_pointer::operator!=', 'Operator', 'api/json_pointer/operator_ne/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('json_pointer::operator/', 'Operator', 'api/json_pointer/operator_slash/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('json_pointer::operator/=', 'Operator', 'api/json_pointer/operator_slasheq/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('json_pointer::operator string_t', 'Operator', 'api/json_pointer/operator_string_t/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('json_pointer::operator<=>', 'Operator', 'api/json_pointer/operator_spaceship/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('json_pointer::parent_pointer', 'Method', 'api/json_pointer/parent_pointer/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('json_pointer::pop_back', 'Method', 'api/json_pointer/pop_back/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('json_pointer::pop_front', 'Method', 'api/json_pointer/pop_front/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('json_pointer::push_back', 'Method', 'api/json_pointer/push_back/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('json_pointer::push_front', 'Method', 'api/json_pointer/push_front/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('json_pointer::string_t', 'Type', 'api/json_pointer/string_t/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('json_pointer::to_string', 'Method', 'api/json_pointer/to_string/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('json_sax', 'Class', 'api/json_sax/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('json_sax::binary', 'Method', 'api/json_sax/binary/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('json_sax::boolean', 'Method', 'api/json_sax/boolean/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('json_sax::end_array', 'Method', 'api/json_sax/end_array/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('json_sax::end_object', 'Method', 'api/json_sax/end_object/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('json_sax::key', 'Method', 'api/json_sax/key/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('json_sax::null', 'Method', 'api/json_sax/null/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('json_sax::number_float', 'Method', 'api/json_sax/number_float/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('json_sax::number_integer', 'Method', 'api/json_sax/number_integer/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('json_sax::number_unsigned', 'Method', 'api/json_sax/number_unsigned/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('json_sax::parse_error', 'Method', 'api/json_sax/parse_error/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('json_sax::start_array', 'Method', 'api/json_sax/start_array/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('json_sax::start_object', 'Method', 'api/json_sax/start_object/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('json_sax::string', 'Method', 'api/json_sax/string/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('operator""_json', 'Literal', 'api/operator_literal_json/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('operator""_json_pointer', 'Literal', 'api/operator_literal_json_pointer/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('operator<<', 'Operator', 'api/operator_ltlt/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('operator>>', 'Operator', 'api/operator_gtgt/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('ordered_json', 'Class', 'api/ordered_json/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('ordered_map', 'Class', 'api/ordered_map/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('std::formatter<basic_json>', 'Class', 'api/basic_json/std_formatter/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('std::hash<basic_json>', 'Class', 'api/basic_json/std_hash/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('std::swap<basic_json>', 'Function', 'api/basic_json/std_swap/index.html');
-
--- Features
-INSERT INTO searchIndex(name, type, path) VALUES ('Arbitrary Type Conversions', 'Guide', 'features/arbitrary_types/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('Binary Formats', 'Guide', 'features/binary_formats/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('Binary Formats: BJData', 'Guide', 'features/binary_formats/bjdata/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('Binary Formats: BSON', 'Guide', 'features/binary_formats/bson/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('Binary Formats: CBOR', 'Guide', 'features/binary_formats/cbor/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('Binary Formats: MessagePack', 'Guide', 'features/binary_formats/messagepack/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('Binary Formats: BON8', 'Guide', 'features/binary_formats/bon8/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('Binary Formats: UBJSON', 'Guide', 'features/binary_formats/ubjson/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('Binary Values', 'Guide', 'features/binary_values/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('Comments', 'Guide', 'features/comments/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('Element Access', 'Guide', 'features/element_access/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('Element Access: Access with default value: value', 'Guide', 'features/element_access/default_value/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('Element Access: Checked access: at', 'Guide', 'features/element_access/checked_access/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('Element Access: Unchecked access: operator[]', 'Guide', 'features/element_access/unchecked_access/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('Exceptions', 'Guide', 'home/exceptions/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('Integration: Migration Guide', 'Guide', 'integration/migration_guide/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('Integration: CMake', 'Guide', 'integration/cmake/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('Integration: Header only', 'Guide', 'integration/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('Integration: Package Managers', 'Guide', 'integration/package_managers/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('Integration: Pkg-config', 'Guide', 'integration/pkg-config/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('Iterators', 'Guide', 'features/iterators/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('JSON Merge Patch', 'Guide', 'features/merge_patch/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('JSON Patch and Diff', 'Guide', 'features/json_patch/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('JSON Pointer', 'Guide', 'features/json_pointer/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('nlohmann Namespace', 'Guide', 'features/namespace/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('Types', 'Guide', 'features/types/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('Types: Number Handling', 'Guide', 'features/types/number_handling/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('Object Order', 'Guide', 'features/object_order/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('Performance', 'Guide', 'features/performance/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('Parsing', 'Guide', 'features/parsing/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('Parsing: JSON Lines', 'Guide', 'features/parsing/json_lines/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('Parsing: Parser Callbacks', 'Guide', 'features/parsing/parser_callbacks/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('Parsing: Parsing and Exceptions', 'Guide', 'features/parsing/parse_exceptions/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('Parsing: SAX Interface', 'Guide', 'features/parsing/sax_interface/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('Parsing: Untrusted Input', 'Guide', 'features/parsing/untrusted_input/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('Runtime Assertions', 'Guide', 'features/assertions/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('Specializing enum conversion', 'Guide', 'features/enum_conversion/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('Supported Macros', 'Guide', 'features/macros/index.html');
-
--- Macros
-INSERT INTO searchIndex(name, type, path) VALUES ('JSON_ASSERT', 'Macro', 'api/macros/json_assert/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('JSON_BRACE_INIT_COPY_SEMANTICS', 'Macro', 'api/macros/json_brace_init_copy_semantics/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('JSON_CATCH_USER', 'Macro', 'api/macros/json_throw_user/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('JSON_DELETE_DEPRECATED_FUNCTIONS', 'Macro', 'api/macros/json_delete_deprecated_functions/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('JSON_DIAGNOSTICS', 'Macro', 'api/macros/json_diagnostics/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('JSON_DIAGNOSTIC_POSITIONS', 'Macro', 'api/macros/json_diagnostic_positions/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('JSON_DISABLE_ENUM_SERIALIZATION', 'Macro', 'api/macros/json_disable_enum_serialization/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('JSON_DISABLE_TUPLE_REFERENCE_CONVERSION', 'Macro', 'api/macros/json_disable_tuple_reference_conversion/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('JSON_HAS_CPP_11', 'Macro', 'api/macros/json_has_cpp_11/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('JSON_HAS_CPP_14', 'Macro', 'api/macros/json_has_cpp_11/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('JSON_HAS_CPP_17', 'Macro', 'api/macros/json_has_cpp_11/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('JSON_HAS_CPP_20', 'Macro', 'api/macros/json_has_cpp_11/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('JSON_HAS_CPP_23', 'Macro', 'api/macros/json_has_cpp_11/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('JSON_HAS_CPP_26', 'Macro', 'api/macros/json_has_cpp_11/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('JSON_HAS_EXPERIMENTAL_FILESYSTEM', 'Macro', 'api/macros/json_has_filesystem/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('JSON_HAS_FILESYSTEM', 'Macro', 'api/macros/json_has_filesystem/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('JSON_HAS_RANGES', 'Macro', 'api/macros/json_has_ranges/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('JSON_HAS_STATIC_RTTI', 'Macro', 'api/macros/json_has_static_rtti/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('JSON_HAS_STD_FORMAT', 'Macro', 'api/macros/json_has_std_format/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('JSON_HAS_THREE_WAY_COMPARISON', 'Macro', 'api/macros/json_has_three_way_comparison/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('JSON_NOEXCEPTION', 'Macro', 'api/macros/json_noexception/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('JSON_NO_AUTOMATIC_UDLS', 'Macro', 'api/macros/json_no_automatic_udls/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('JSON_NO_IO', 'Macro', 'api/macros/json_no_io/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('JSON_NO_THREAD_LOCAL', 'Macro', 'api/macros/json_no_thread_local/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('JSON_PRECISE_STREAM_POSITION', 'Macro', 'api/macros/json_precise_stream_position/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('JSON_SKIP_LIBRARY_VERSION_CHECK', 'Macro', 'api/macros/json_skip_library_version_check/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('JSON_SKIP_UNSUPPORTED_COMPILER_CHECK', 'Macro', 'api/macros/json_skip_unsupported_compiler_check/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('JSON_STRICT_BINARY_UTF8', 'Macro', 'api/macros/json_strict_binary_utf8/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('JSON_STRICT_NUL_HANDLING', 'Macro', 'api/macros/json_strict_nul_handling/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('JSON_THROW_USER', 'Macro', 'api/macros/json_throw_user/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('JSON_TRY_USER', 'Macro', 'api/macros/json_throw_user/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('JSON_USE_GLOBAL_UDLS', 'Macro', 'api/macros/json_use_global_udls/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('JSON_USE_IMPLICIT_CONVERSIONS', 'Macro', 'api/macros/json_use_implicit_conversions/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('JSON_USE_LEGACY_DISCARDED_VALUE_COMPARISON', 'Macro', 'api/macros/json_use_legacy_discarded_value_comparison/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('JSON_USE_OBJECTS_FOR_ENUM_KEYED_MAPS', 'Macro', 'api/macros/json_use_objects_for_enum_keyed_maps/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('JSON_USE_SIMDUTF', 'Macro', 'api/macros/json_use_simdutf/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('Macros', 'Macro', 'api/macros/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_DEFINE_DERIVED_TYPE_INTRUSIVE', 'Macro', 'api/macros/nlohmann_define_derived_type/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_DEFINE_DERIVED_TYPE_INTRUSIVE_ONLY_SERIALIZE', 'Macro', 'api/macros/nlohmann_define_derived_type/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_DEFINE_DERIVED_TYPE_INTRUSIVE_ONLY_SERIALIZE_WITH_NAMES', 'Macro', 'api/macros/nlohmann_define_type_with_names/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_DEFINE_DERIVED_TYPE_INTRUSIVE_WITH_DEFAULT', 'Macro', 'api/macros/nlohmann_define_derived_type/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_DEFINE_DERIVED_TYPE_INTRUSIVE_WITH_DEFAULT_WITH_NAMES', 'Macro', 'api/macros/nlohmann_define_type_with_names/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_DEFINE_DERIVED_TYPE_INTRUSIVE_WITH_NAMES', 'Macro', 'api/macros/nlohmann_define_type_with_names/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_DEFINE_DERIVED_TYPE_NON_INTRUSIVE', 'Macro', 'api/macros/nlohmann_define_derived_type/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_DEFINE_DERIVED_TYPE_NON_INTRUSIVE_ONLY_SERIALIZE', 'Macro', 'api/macros/nlohmann_define_derived_type/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_DEFINE_DERIVED_TYPE_NON_INTRUSIVE_ONLY_SERIALIZE_WITH_NAMES', 'Macro', 'api/macros/nlohmann_define_type_with_names/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_DEFINE_DERIVED_TYPE_NON_INTRUSIVE_WITH_DEFAULT', 'Macro', 'api/macros/nlohmann_define_derived_type/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_DEFINE_DERIVED_TYPE_NON_INTRUSIVE_WITH_DEFAULT_WITH_NAMES', 'Macro', 'api/macros/nlohmann_define_type_with_names/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_DEFINE_DERIVED_TYPE_NON_INTRUSIVE_WITH_NAMES', 'Macro', 'api/macros/nlohmann_define_type_with_names/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_DEFINE_TYPE_INTRUSIVE', 'Macro', 'api/macros/nlohmann_define_type_intrusive/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_DEFINE_TYPE_INTRUSIVE_ONLY_SERIALIZE', 'Macro', 'api/macros/nlohmann_define_type_intrusive/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_DEFINE_TYPE_INTRUSIVE_ONLY_SERIALIZE_WITH_NAMES', 'Macro', 'api/macros/nlohmann_define_type_with_names/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_DEFINE_TYPE_INTRUSIVE_WITH_DEFAULT', 'Macro', 'api/macros/nlohmann_define_type_intrusive/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_DEFINE_TYPE_INTRUSIVE_WITH_DEFAULT_WITH_NAMES', 'Macro', 'api/macros/nlohmann_define_type_with_names/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_DEFINE_TYPE_INTRUSIVE_WITH_NAMES', 'Macro', 'api/macros/nlohmann_define_type_with_names/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE', 'Macro', 'api/macros/nlohmann_define_type_non_intrusive/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE_ONLY_SERIALIZE', 'Macro', 'api/macros/nlohmann_define_type_non_intrusive/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE_ONLY_SERIALIZE_WITH_NAMES', 'Macro', 'api/macros/nlohmann_define_type_with_names/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE_WITH_DEFAULT', 'Macro', 'api/macros/nlohmann_define_type_non_intrusive/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE_WITH_DEFAULT_WITH_NAMES', 'Macro', 'api/macros/nlohmann_define_type_with_names/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE_WITH_NAMES', 'Macro', 'api/macros/nlohmann_define_type_with_names/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_JSON_NAMESPACE', 'Macro', 'api/macros/nlohmann_json_namespace/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_JSON_NAMESPACE_BEGIN', 'Macro', 'api/macros/nlohmann_json_namespace_begin/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_JSON_NAMESPACE_END', 'Macro', 'api/macros/nlohmann_json_namespace_begin/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_JSON_NAMESPACE_NO_VERSION', 'Macro', 'api/macros/nlohmann_json_namespace_no_version/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_JSON_SERIALIZE_ENUM', 'Macro', 'api/macros/nlohmann_json_serialize_enum/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_JSON_SERIALIZE_ENUM_STRICT', 'Macro', 'api/macros/nlohmann_json_serialize_enum_strict/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_JSON_VERSION_MAJOR', 'Macro', 'api/macros/nlohmann_json_version_major/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_JSON_VERSION_MINOR', 'Macro', 'api/macros/nlohmann_json_version_major/index.html');
-INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_JSON_VERSION_PATCH', 'Macro', 'api/macros/nlohmann_json_version_major/index.html');

docs/docset/generate_docset.py

@@ -0,0 +1,532 @@
+#!/usr/bin/env python3
+
+"""Generate the Dash docset search index from the mkdocs sources."""
+
+import argparse
+import glob
+import hashlib
+import html
+import os
+import re
+import shutil
+import sqlite3
+import sys
+import tarfile
+import urllib.parse
+import urllib.request
+
+import yaml
+
+HERE = os.path.dirname(os.path.abspath(__file__))
+MKDOCS_YML = os.path.join(HERE, '..', 'mkdocs', 'mkdocs.yml')
+PAGES = os.path.join(HERE, '..', 'mkdocs', 'docs')
+
+# api pages whose (name, type) cannot be derived by the heuristics
+OVERRIDES = {
+}
+
+DOCSET = 'JSON_for_Modern_C++.docset'
+TITLE_SUFFIX = ' - JSON for Modern C++</title>'
+
+# CSS rules appended to the stylesheet: hide navigation items and fix spacing
+# hide the navigation (the documentation browser has its own); Material's class selectors would win over element
+# selectors, hence the classes and !important
+CSS_PATCH = (
+    '\n\n.md-header, .md-footer, .md-tabs, .md-sidebar--primary, .md-content__button { display: none !important; }'
+    '\n\n.md-sidebar--secondary, .md-main__inner { top: 0 !important; margin-top: 0 !important; }'
+)
+
+USER_AGENT = ('Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 '
+              '(KHTML, like Gecko) Chrome/124.0 Safari/537.36')
+CONTENT_TYPE_EXT = {'image/svg+xml': '.svg', 'image/png': '.png', 'image/jpeg': '.jpg',
+                    'image/gif': '.gif', 'image/webp': '.webp'}
+
+# remote loads that are allowed to remain (URL -> reason)
+ALLOWED_REMOTE = {
+    # Material only loads this polyfill if the browser has no ResizeObserver
+    'https://unpkg.com/resize-observer-polyfill': 'fallback for browsers without ResizeObserver',
+}
+
+problems = []
+
+
+def problem(page, reason) -> None:
+    """Record a problem; all problems are reported at the end."""
+    problems.append(f'generate_docset.py: {page}: {reason}')
+
+
+class Loader(yaml.SafeLoader):
+    """YAML loader that tolerates the custom tags used in mkdocs.yml."""
+
+
+Loader.add_multi_constructor('', lambda loader, suffix, node: None)
+
+
+def walk_nav(items, groups=()):
+    """Yield (group titles, nav title or None, md path) for all nav leaves."""
+    for item in items:
+        if isinstance(item, str):
+            yield list(groups), None, item
+        elif isinstance(item, dict):
+            for title, value in item.items():
+                if isinstance(value, list):
+                    yield from walk_nav(value, groups + (str(title),))
+                else:
+                    yield list(groups), str(title), value
+
+
+def page_path(md_path) -> str:
+    """Map a markdown path to the HTML path of the rendered page."""
+    if md_path.endswith('/index.md'):
+        return md_path[:-len('index.md')] + 'index.html'
+    return md_path[:-len('.md')] + '/index.html'
+
+
+def read_page(md_path) -> str:
+    """Read a page (resolving a snippet include), return '' if it does not exist."""
+    try:
+        with open(os.path.join(PAGES, md_path), encoding='utf-8') as f:
+            text = f.read()
+        m = re.match(r'--8<-- "(.+)"\s*$', text)
+        if m:
+            with open(os.path.join(PAGES, m.group(1)), encoding='utf-8') as f:
+                text = f.read()
+        return text
+    except OSError:
+        return ''
+
+
+def clean(text) -> str:
+    """Strip tags and entities from a heading and normalize whitespace."""
+    text = text.replace('\\>', '\x00')  # escaped '>' is not the end of a tag
+    text = html.unescape(re.sub(r'</?[a-zA-Z][^>]*>', '', text)).replace('\x00', '>')
+    return re.sub(r'\s+', ' ', text).strip()
+
+
+def strip_fences(text) -> str:
+    """Remove fenced code blocks (their lines may start with '# ')."""
+    return re.sub(r'^(```|~~~).*?^\1[^\n]*$', '', text, flags=re.M | re.S)
+
+
+def get_h1(text):
+    """Return the cleaned first H1 of a page or None."""
+    body = strip_fences(text)
+    m = re.search(r'^# (.+)$', body, flags=re.M)
+    if m:
+        return clean(m.group(1))
+    m = re.search(r'<h1>(.*?)</h1>', body, flags=re.S)
+    return clean(m.group(1)) if m else None
+
+
+def split_top_level(text, seps=','):
+    """Split at separators that are not nested in <>, () or []."""
+    parts, depth, current = [], 0, ''
+    for c in text:
+        if c in '<([':
+            depth += 1
+        elif c in '>)]':
+            depth -= 1
+        if c in seps and depth <= 0:
+            parts.append(current)
+            current = ''
+        else:
+            current += c
+    parts.append(current)
+    return [p.strip() for p in parts if p.strip()]
+
+
+OPERATOR_SYMBOLS = ('<=>', '<<', '>>', '<=', '>=', '<', '>')
+
+
+def api_names(h1) -> list:
+    """Derive the entry names from the H1 of an api page."""
+    # hide the angle brackets of operators from the nesting detection
+    for i, sym in enumerate(OPERATOR_SYMBOLS):
+        h1 = h1.replace('operator' + sym, f'operator\x01{i}\x01')
+    names = []
+    for part in split_top_level(h1):
+        name = part.replace('\\', '').replace('nlohmann::', '')
+        name = re.sub(r'\x01(\d)\x01', lambda m: OPERATOR_SYMBOLS[int(m.group(1))], name)
+        # drop qualifiers like "operator<<(basic_json)", but keep "operator()"
+        if not name.endswith('operator()'):
+            name = re.sub(r'(?<=\w|[<>=!+\-*/\[\]])\([^()]*\)$', '', name)
+        if name not in names:
+            names.append(name)
+    return names
+
+
+def first_cpp_block(text):
+    """Return the first ```cpp block following the H1."""
+    m = re.search(r'^# .*?^```cpp\n(.*?)^```', text, flags=re.M | re.S)
+    return m.group(1) if m else None
+
+
+def api_type(name, decl):
+    """Determine the Dash entry type from name and declaration."""
+    parts = name.split('::')
+    last = parts[-1]
+    if name.startswith('operator""'):
+        return 'Literal'
+    if last.startswith('operator'):
+        return 'Operator'
+    if decl is None:
+        return None
+    if re.search(r'\benum\b', decl):
+        return 'Enum'
+    if re.search(r'^\s*(template\s*<.*>\s*)?(class|struct)\s+\w+\s*(final\b|[:{;<]|$)', decl, flags=re.M):
+        return 'Class'
+    if re.search(r'\busing\s+\w+\s*=', decl) or 'typedef' in decl:
+        return 'Type'
+    if len(parts) > 1 and last == parts[-2]:
+        return 'Constructor'
+    if last.startswith('~'):
+        return 'Method'
+    if re.search(r'\bstatic\b', decl) or len(parts) == 1 or parts[0] == 'std':
+        return 'Function'
+    return 'Method'
+
+
+def macro_names(h1) -> list:
+    """Split the H1 of a macro page into macro names."""
+    return [n.strip() for n in re.split(r'[,/]', h1) if n.strip()]
+
+
+def api_entries(md_path):
+    """Return the (name, type) pairs of an api page."""
+    if md_path in OVERRIDES:
+        return OVERRIDES[md_path]
+    if md_path == 'api/macros/index.md':
+        return [('Macros', 'Macro')]
+    text = read_page(md_path)
+    h1 = get_h1(text)
+    if not h1:
+        problem(md_path, 'no H1 found')
+        return []
+    if md_path.startswith('api/macros/'):
+        return [(n, 'Macro') for n in macro_names(h1)]
+    names = api_names(h1)
+    if not names:
+        problem(md_path, 'no names found')
+        return []
+    decl = first_cpp_block(text)
+    result = []
+    for name in names:
+        kind = api_type(name, decl)
+        if kind is None:
+            problem(md_path, f'no type determinable for {name}')
+        else:
+            result.append((name, kind))
+    return result
+
+
+def guide_entries(nav):
+    """Yield (name, type, md path) for all non-api nav pages."""
+    for groups, title, md_path in walk_nav(nav):
+        if md_path.startswith('api/') or md_path == 'index.md':
+            continue
+        if not md_path.endswith('.md'):
+            continue
+        groups = groups[1:]  # drop the top-level tab
+        if title is None:
+            title = get_h1(read_page(md_path))
+            if not title:
+                problem(md_path, 'no title found')
+                continue
+        # "Parsing: Parsing Untrusted Input" -> "Parsing: Untrusted Input"
+        if groups and title.startswith(groups[-1] + ' ') and title[len(groups[-1]) + 1:][:1].isupper():
+            title = title[len(groups[-1]) + 1:]
+        if md_path.endswith('/index.md') and groups and title == groups[-1]:
+            name = ': '.join(groups)
+        else:
+            name = ': '.join(groups + [title])
+        yield name, 'Guide', md_path
+
+
+def build_entries() -> list:
+    """Return the sorted list of (name, type, path) index entries."""
+    nav = load_mkdocs_yml()['nav']
+
+    entries = set()
+    for name, kind, md_path in guide_entries(nav):
+        entries.add((name, kind, page_path(md_path)))
+
+    api_root = os.path.join(PAGES, 'api')
+    on_disk = set()
+    for root, _, files in os.walk(api_root):
+        for file in files:
+            if file.endswith('.md'):
+                rel = os.path.relpath(os.path.join(root, file), PAGES)
+                on_disk.add(rel.replace(os.sep, '/'))
+    for _, _, md_path in walk_nav(nav):
+        if md_path.startswith('api/') and md_path not in on_disk:
+            problem(md_path, 'listed in nav but missing on disk')
+    for md_path in sorted(on_disk):
+        for name, kind in api_entries(md_path):
+            entries.add((name, kind, page_path(md_path)))
+    return sorted(entries)
+
+
+def write_index(entries, out) -> None:
+    """Write the entries into a SQLite search index."""
+    if os.path.exists(out):
+        os.remove(out)
+    con = sqlite3.connect(out)
+    con.execute('CREATE TABLE searchIndex(id INTEGER PRIMARY KEY, name TEXT, type TEXT, path TEXT)')
+    con.execute('CREATE UNIQUE INDEX anchor ON searchIndex (name, type, path)')
+    con.executemany('INSERT INTO searchIndex(name, type, path) VALUES (?, ?, ?)', entries)
+    con.commit()
+    con.close()
+
+
+def html_files(root):
+    """Yield all HTML files below root."""
+    for base, _, files in os.walk(root):
+        for file in files:
+            if file.endswith('.html'):
+                yield os.path.join(base, file)
+
+
+def read(path) -> str:
+    with open(path, encoding='utf-8') as f:
+        return f.read()
+
+
+def write(path, text) -> None:
+    with open(path, 'w', encoding='utf-8') as f:
+        f.write(text)
+
+
+def remove_source_widget(docs) -> None:
+    """Drop data-md-component=source so Material does not query api.github.com for the stars and version."""
+    pattern = re.compile(r'\sdata-md-component=(?:"source"|source\b)')
+    for path in html_files(docs):
+        text = read(path)
+        new = pattern.sub('', text)
+        if new != text:
+            write(path, new)
+
+
+def patch_titles(docs, entries) -> None:
+    """Strip the site name from all titles; use the index names where available."""
+    names = {}
+    for name, _, path in entries:
+        names.setdefault(path, []).append(name)
+    for file in html_files(docs):
+        rel = os.path.relpath(file, docs).replace(os.sep, '/')
+        text = read(file).replace(TITLE_SUFFIX, '</title>')
+        if rel in names:
+            title = html.escape(', '.join(names[rel]), quote=False)
+            text = re.sub(r'<title>.*?</title>', lambda _: f'<title>{title}</title>', text, count=1, flags=re.S)
+        write(file, text)
+
+
+IMG_RE = re.compile(r'<img\b[^>]*>', re.I)
+ATTR_RE = r'''(?:{0})\s*=\s*(?:"([^"]*)"|'([^']*)'|([^\s"'>]+))'''
+
+
+def attr(tag, name):
+    """Return the value of an attribute in a tag or None."""
+    m = re.search(r'(?<![\w-])' + ATTR_RE.format(name), tag, flags=re.I)
+    return next(g for g in m.groups() if g is not None) if m else None
+
+
+def is_remote(url) -> bool:
+    return re.match(r'(https?:)?//', url.strip(), flags=re.I) is not None
+
+
+def download(url, docs) -> str:
+    """Download url into assets/external and return the path relative to docs."""
+    u = urllib.parse.urlparse(url if not url.startswith('//') else 'https:' + url)
+    if u.scheme.lower() not in ('http', 'https'):
+        raise ValueError(f'not an http(s) URL: {url}')
+    req = urllib.request.Request(u.geturl(), headers={'User-Agent': USER_AGENT})
+    # (the scheme is checked above)
+    with urllib.request.urlopen(req, timeout=20) as r:  # nosec B310
+        data = r.read()
+        ctype = r.headers.get_content_type()
+    path = urllib.parse.unquote(u.path).lstrip('/')
+    ext = os.path.splitext(path)[1]
+    if u.query or not ext or path.endswith('/'):
+        digest = hashlib.sha1(url.encode(), usedforsecurity=False).hexdigest()[:12]
+        path = os.path.join(os.path.dirname(path), digest + CONTENT_TYPE_EXT.get(ctype, ext or '.bin'))
+    rel = os.path.normpath(os.path.join('assets', 'external', u.hostname, path))
+    out = os.path.join(docs, rel)
+    os.makedirs(os.path.dirname(out), exist_ok=True)
+    with open(out, 'wb') as f:
+        f.write(data)
+    return rel.replace(os.sep, '/')
+
+
+def localize_images(docs) -> None:
+    """Download remote images and rewrite their src; drop them on failure."""
+    cache = {}
+    for file in html_files(docs):
+        text = read(file)
+
+        def repl(m):
+            tag = m.group(0)
+            src = attr(tag, 'src')
+            if src is None or not is_remote(src):
+                return tag
+            if src not in cache:
+                try:
+                    cache[src] = download(src, docs)
+                except Exception as e:  # noqa: BLE001
+                    print(f'generate_docset.py: warning: cannot download {src}: {e}', file=sys.stderr)
+                    cache[src] = None
+            if cache[src] is None:
+                return attr(tag, 'alt') or ''
+            local = os.path.relpath(os.path.join(docs, cache[src]), os.path.dirname(file))
+            local = local.replace(os.sep, '/')
+            return re.sub(ATTR_RE.format('src'), lambda _: f'src="{local}"', tag, count=1, flags=re.I)
+
+        new = IMG_RE.sub(repl, text)
+        if new != text:
+            write(file, new)
+
+
+def load_mkdocs_yml() -> dict:
+    """Load mkdocs.yml, ignoring tags like !ENV and !!python/name."""
+    with open(MKDOCS_YML, encoding='utf-8') as f:
+        # (Loader is a yaml.SafeLoader)
+        return yaml.load(f, Loader=Loader)  # nosec B506
+
+
+def localize_site_urls(docs, site_url) -> None:
+    """Load assets that the theme's JavaScript references by absolute site URL from the docset.
+
+    The privacy plugin rewrites the mermaid loader to "<site_url>assets/external/unpkg.com/mermaid@11/...", so the
+    docset would fetch mermaid from the live site. __md_scope is the site root that Material defines in every page.
+    """
+    pattern = re.compile(r'"' + re.escape(site_url) + r'(assets/[^"]*)"')
+    for base, _, files in os.walk(docs):
+        for file in (f for f in files if f.endswith('.js')):
+            path = os.path.join(base, file)
+            text = read(path)
+            new = pattern.sub(r'new URL("\1",__md_scope).href', text)
+            if new != text:
+                write(path, new)
+
+
+def remote_loads(docs, site_url) -> list:
+    """Return 'file: url' strings for resources that would be loaded remotely."""
+    found = []
+    cdn = re.compile(r'https://(?:unpkg\.com|cdn\.jsdelivr\.net|cdnjs\.cloudflare\.com|'
+                     r'fonts\.googleapis\.com|fonts\.gstatic\.com)/[^\s"\'`)\\]*')
+    css_url = re.compile(r'url\(\s*["\']?((?:https?:)?//[^)"\']+)', re.I)
+    css_import = re.compile(r'@import\s+(?:url\(\s*)?["\']?((?:https?:)?//[^)"\'; ]+)', re.I)
+    for base, _, files in os.walk(docs):
+        for file in files:
+            path = os.path.join(base, file)
+            rel = os.path.relpath(path, docs)
+            urls = []
+            if file.endswith('.html'):
+                text = read(path)
+                for m in re.finditer(r'<[a-zA-Z][^>]*>', text):
+                    tag = m.group(0)
+                    for name in ('src', 'poster'):
+                        v = attr(tag, name)
+                        if v and is_remote(v):
+                            urls.append(v)
+                    v = attr(tag, 'srcset')
+                    if v:
+                        urls += [c.split()[0] for c in v.split(',') if c.strip() and is_remote(c.strip())]
+                    if re.match(r'<link\b', tag, flags=re.I):
+                        rel_attr = (attr(tag, 'rel') or '').lower()
+                        v = attr(tag, 'href')
+                        if v and is_remote(v) and re.search(r'stylesheet|icon|preload|modulepreload|manifest', rel_attr):
+                            urls.append(v)
+                urls += css_url.findall(text) + css_import.findall(text)
+            elif file.endswith('.css'):
+                text = read(path)
+                urls += css_url.findall(text) + css_import.findall(text)
+            elif file.endswith('.js'):
+                text = read(path)
+                urls += cdn.findall(text)
+                urls += re.findall(re.escape(site_url) + r'assets/[^\s"\'`)\\]*', text)
+            found += [f'{rel}: {u}' for u in urls if u not in ALLOWED_REMOTE]
+    return found
+
+
+def make_docset(site, out_dir) -> int:
+    entries = build_entries()
+    if problems:
+        print('\n'.join(problems), file=sys.stderr)
+        return 1
+    docset = os.path.join(out_dir, DOCSET)
+    docs = os.path.join(docset, 'Contents', 'Resources', 'Documents')
+    if os.path.exists(docset):
+        shutil.rmtree(docset)
+    shutil.copytree(site, docs)
+    for icon in ('icon.png', 'icon@2x.png'):
+        shutil.copy(os.path.join(HERE, icon), docset)
+    shutil.copy(os.path.join(HERE, 'Info.plist'), os.path.join(docset, 'Contents'))
+    write_index(entries, os.path.join(docset, 'Contents', 'Resources', 'docSet.dsidx'))
+
+    # patch CSS to hide navigation items and fix spacing
+    css = glob.glob(os.path.join(docs, 'assets', 'stylesheets', 'main.*.min.css'))
+    if len(css) != 1:
+        print(f'generate_docset.py: expected exactly one main.*.min.css, found {len(css)}', file=sys.stderr)
+        return 1
+    with open(css[0], 'a', encoding='utf-8') as f:
+        f.write(CSS_PATCH)
+
+    patch_titles(docs, entries)
+    remove_source_widget(docs)
+    for sitemap in glob.glob(os.path.join(docs, 'sitemap.*')):
+        os.remove(sitemap)
+
+    # make the docset self-contained
+    site_url = load_mkdocs_yml()['site_url']
+    localize_images(docs)
+    localize_site_urls(docs, site_url)
+    remote = remote_loads(docs, site_url)
+    if remote:
+        print('generate_docset.py: remote resources remain in the docset:', file=sys.stderr)
+        print('\n'.join('  ' + r for r in remote), file=sys.stderr)
+        return 1
+    return 0
+
+
+def make_tgz(out_dir) -> int:
+    docset = os.path.join(out_dir, DOCSET)
+    if not os.path.isdir(docset):
+        print(f'generate_docset.py: {docset} does not exist', file=sys.stderr)
+        return 1
+    with tarfile.open(os.path.join(out_dir, 'JSON_for_Modern_C++.tgz'), 'w:gz') as tar:
+        tar.add(docset, arcname=DOCSET, filter=lambda i: None if os.path.basename(i.name) == '.DS_Store' else i)
+    return 0
+
+
+def main() -> int:
+    parser = argparse.ArgumentParser(description=__doc__)
+    sub = parser.add_subparsers(dest='command', required=True)
+    sub.add_parser('list', help='print the index entries as TSV')
+    p = sub.add_parser('index', help='write the SQLite search index')
+    p.add_argument('out')
+    p = sub.add_parser('docset', help='build the docset from a built mkdocs site')
+    p.add_argument('site_dir')
+    p.add_argument('out_dir')
+    p = sub.add_parser('tgz', help='pack the docset into a tarball')
+    p.add_argument('out_dir')
+    args = parser.parse_args()
+
+    if args.command == 'docset':
+        return make_docset(args.site_dir, args.out_dir)
+    if args.command == 'tgz':
+        return make_tgz(args.out_dir)
+
+    entries = build_entries()
+    if problems:
+        print('\n'.join(problems), file=sys.stderr)
+        return 1
+    if args.command == 'list':
+        for entry in entries:
+            print('\t'.join(entry))
+    elif args.command == 'index':
+        write_index(entries, args.out)
+    return 0
+
+
+if __name__ == '__main__':
+    sys.exit(main())

docs/mkdocs/Makefile

@@ -17,6 +17,7 @@ build: style_check
 
 style_check:
 	@cd docs ; ../venv/bin/python3 ../scripts/check_structure.py
+	@venv/bin/python3 ../docset/generate_docset.py list > /dev/null
 
 # check that all Mermaid diagrams parse (needs Node.js)
 # This target is used in the CI (ci_test_documentation_mermaid).

docs/mkdocs/docs/api/basic_json/at.md

@@ -241,4 +241,6 @@ Strong exception safety: if an exception occurs, the original value stays intact
 3. Added in version 3.11.0. Fixed in version 3.13.0 to consistently accept `std::string_view`-convertible keys, as
    already supported by [`operator[]`](operator[].md), [`value`](value.md), [`find`](find.md), and other lookup
    functions.
-4. Added in version 2.0.0.
+4. Added in version 2.0.0. Throws [`parse_error.109`](../../home/exceptions.md#jsonexceptionparse_error109) instead of
+[`out_of_range.404`](../../home/exceptions.md#jsonexceptionout_of_range404) for a one-character array index that is not
+a digit (e.g., `/x`) in version 3.13.0, as it already did for longer ones.

docs/mkdocs/docs/api/basic_json/binary_t.md

@@ -64,18 +64,7 @@ values of that type directly to a `basic_json` instance, and they will automatic
 rather than arrays:
 
 ```cpp
-using custom_json = nlohmann::basic_json<
-    nlohmann::ordered_map,  // ObjectType
-    std::vector,            // ArrayType
-    std::string,            // StringType
-    bool,                   // BooleanType
-    std::int64_t,           // NumberIntegerType
-    std::uint64_t,          // NumberUnsignedType
-    double,                 // NumberFloatType
-    std::allocator,         // AllocatorType
-    nlohmann::adl_serializer,
-    std::vector<std::byte>  // Custom BinaryType
->;
+using custom_json = nlohmann::ordered_json::with_binary_t<std::vector<std::byte>>;
 
 std::vector<std::byte> data{std::byte{1}, std::byte{2}, std::byte{3}};
 custom_json j = data;  // Creates a binary value, not an array

docs/mkdocs/docs/api/basic_json/contains.md

@@ -10,6 +10,10 @@ bool contains(KeyType&& key) const;
 
 // (3)
 bool contains(const json_pointer& ptr) const;
+
+// (4)
+template<typename T>
+bool contains(T) const = delete;
 ```
 
 1. Check whether an element exists in a JSON object with a key equivalent to `key`. If the element is not found or the 
@@ -17,6 +21,9 @@ bool contains(const json_pointer& ptr) const;
 2. See 1. This overload is only available if `KeyType` is comparable with `#!cpp typename object_t::key_type` and
    `#!cpp typename object_comparator_t::is_transparent` denotes a type.
 3. Check whether the given JSON pointer `ptr` can be resolved in the current JSON value.
+4. Deleted: this overload is only available if `T` is an integral type and is declared as deleted, so that a call with
+   an integer `key` (for example, `#!cpp j.contains(0)`) fails to compile. Otherwise, the integer literal `0` would convert to
+   a null `#!cpp const char*` and, from there, to the key type, causing undefined behavior at runtime.
 
 ## Template parameters
 
@@ -39,6 +46,7 @@ bool contains(const json_pointer& ptr) const;
    is not an object, `#!cpp false` is returned.
 2. See 1.
 3. `#!cpp true` if the JSON pointer can be resolved to a stored value, `#!cpp false` otherwise.
+4. Deleted; a call with an integral argument does not compile.
 
 ## Exception safety
 
@@ -49,6 +57,7 @@ Strong exception safety: if an exception occurs, the original value stays intact
 1. The function does not throw exceptions.
 2. The function does not throw exceptions.
 3. The function does not throw exceptions.
+4. Deleted; a call with an integral argument does not compile.
 
 ## Complexity
 

docs/mkdocs/docs/api/basic_json/count.md

@@ -7,12 +7,19 @@ size_type count(const typename object_t::key_type& key) const;
 // (2)
 template<typename KeyType>
 size_type count(KeyType&& key) const;
+
+// (3)
+template<typename T>
+size_type count(T) const = delete;
 ```
 
 1. Returns the number of elements with key `key`. If `ObjectType` is the default `std::map` type, the return value will
    always be `0` (`key` was not found) or `1` (`key` was found).
 2. See 1. This overload is only available if `KeyType` is comparable with `#!cpp typename object_t::key_type` and
    `#!cpp typename object_comparator_t::is_transparent` denotes a type.
+3. Deleted: this overload is only available if `T` is an integral type and is declared as deleted, so that a call with
+   an integer `key` (for example, `#!cpp j.count(0)`) fails to compile. Otherwise, the integer literal `0` would convert to
+   a null `#!cpp const char*` and, from there, to the key type, causing undefined behavior at runtime.
 
 ## Template parameters
 

docs/mkdocs/docs/api/basic_json/error_handler_t.md

@@ -37,8 +37,8 @@ ignore
 :   ignore invalid UTF-8 sequences; all valid bytes are copied to the output unchanged, and invalid bytes are dropped
 
 keep
-:   keep invalid UTF-8 sequences unchanged; only meaningful for the binary formats mentioned above, since [`dump`]
-    (dump.md) itself must produce text, and `keep` there writes the ill-formed bytes to the output as is, so the
+:   keep invalid UTF-8 sequences unchanged; only meaningful for the binary formats mentioned above, since
+    [`dump`](dump.md) itself must produce text, and `keep` there writes the ill-formed bytes to the output as is, so the
     result is then not valid UTF-8 (but still equals the input bytes exactly, including around any well-formed
     characters, which are still escaped as usual)
 

docs/mkdocs/docs/api/basic_json/find.md

@@ -10,12 +10,21 @@ template<typename KeyType>
 iterator find(KeyType&& key);
 template<typename KeyType>
 const_iterator find(KeyType&& key) const;
+
+// (3)
+template<typename T>
+iterator find(T) = delete;
+template<typename T>
+const_iterator find(T) const = delete;
 ```
 
 1. Finds an element in a JSON object with a key equivalent to `key`. If the element is not found or the
    JSON value is not an object, `end()` is returned.
 2. See 1. This overload is only available if `KeyType` is comparable with `#!cpp typename object_t::key_type` and
    `#!cpp typename object_comparator_t::is_transparent` denotes a type.
+3. Deleted: this overload is only available if `T` is an integral type and is declared as deleted, so that a call with
+   an integer `key` (for example, `#!cpp j.find(0)`) fails to compile. Otherwise, the integer literal `0` would convert to
+   a null `#!cpp const char*` and, from there, to the key type, causing undefined behavior at runtime.
 
 ## Template parameters
 

docs/mkdocs/docs/api/basic_json/from_bjdata.md

@@ -124,7 +124,8 @@ Linear in the size of the input.
 !!! warning "Deprecation"
 
     - Overload (2) replaces calls to `from_bjdata` with a pointer and a length as first two parameters, which has been
-      deprecated in version 3.13.0. This overload will be removed in version 4.0.0. Please replace all calls like
+      deprecated in version 3.13.0. In version 4.0.0, this overload
+      will be deleted (`= delete`) rather than removed. Please replace all calls like
       `#!cpp from_bjdata(ptr, len, ...);` with `#!cpp from_bjdata(ptr, ptr+len, ...);`.
 
     You should be warned by your compiler with a `-Wdeprecated-declarations` warning if you are using a deprecated

docs/mkdocs/docs/api/basic_json/from_bon8.md

@@ -110,7 +110,8 @@ Linear in the size of the input.
 !!! warning "Deprecation"
 
     - Overload (2) replaces calls to `from_bon8` with a pointer and a length as first two parameters, which has been
-      deprecated in version 3.13.0. This overload will be removed in version 4.0.0. Please replace all calls like
+      deprecated in version 3.13.0. In version 4.0.0, this overload
+      will be deleted (`= delete`) rather than removed. Please replace all calls like
       `#!cpp from_bon8(ptr, len, ...);` with `#!cpp from_bon8(ptr, ptr+len, ...);`.
 
     You should be warned by your compiler with a `-Wdeprecated-declarations` warning if you are using a deprecated

docs/mkdocs/docs/api/basic_json/from_bson.md

@@ -126,7 +126,8 @@ Linear in the size of the input.
 !!! warning "Deprecation"
 
     - Overload (2) replaces calls to `from_bson` with a pointer and a length as first two parameters, which has been
-      deprecated in version 3.8.0. This overload will be removed in version 4.0.0. Please replace all calls like
+      deprecated in version 3.8.0. In version 4.0.0, this overload
+      will be deleted (`= delete`) rather than removed. Please replace all calls like
       `#!cpp from_bson(ptr, len, ...);` with `#!cpp from_bson(ptr, ptr+len, ...);`.
     - Overload (2) replaces calls to `from_bson` with a pair of iterators as their first parameter, which has been
       deprecated in version 3.8.0. This overload will be removed in version 4.0.0. Please replace all calls like

docs/mkdocs/docs/api/basic_json/from_cbor.md

@@ -135,7 +135,8 @@ Linear in the size of the input.
 !!! warning "Deprecation"
 
     - Overload (2) replaces calls to `from_cbor` with a pointer and a length as first two parameters, which has been
-      deprecated in version 3.8.0. This overload will be removed in version 4.0.0. Please replace all calls like
+      deprecated in version 3.8.0. In version 4.0.0, this overload
+      will be deleted (`= delete`) rather than removed. Please replace all calls like
       `#!cpp from_cbor(ptr, len, ...);` with `#!cpp from_cbor(ptr, ptr+len, ...);`.
     - Overload (2) replaces calls to `from_cbor` with a pair of iterators as their first parameter, which has been
       deprecated in version 3.8.0. This overload will be removed in version 4.0.0. Please replace all calls like

docs/mkdocs/docs/api/basic_json/from_msgpack.md

@@ -127,7 +127,8 @@ Linear in the size of the input.
 !!! warning "Deprecation"
 
     - Overload (2) replaces calls to `from_msgpack` with a pointer and a length as first two parameters, which has been
-      deprecated in version 3.8.0. This overload will be removed in version 4.0.0. Please replace all calls like
+      deprecated in version 3.8.0. In version 4.0.0, this overload
+      will be deleted (`= delete`) rather than removed. Please replace all calls like
       `#!cpp from_msgpack(ptr, len, ...);` with `#!cpp from_msgpack(ptr, ptr+len, ...);`.
     - Overload (2) replaces calls to `from_msgpack` with a pair of iterators as their first parameter, which has been
       deprecated in version 3.8.0. This overload will be removed in version 4.0.0. Please replace all calls like

docs/mkdocs/docs/api/basic_json/from_ubjson.md

@@ -125,7 +125,8 @@ Linear in the size of the input.
 !!! warning "Deprecation"
 
     - Overload (2) replaces calls to `from_ubjson` with a pointer and a length as first two parameters, which has been
-      deprecated in version 3.8.0. This overload will be removed in version 4.0.0. Please replace all calls like
+      deprecated in version 3.8.0. In version 4.0.0, this overload
+      will be deleted (`= delete`) rather than removed. Please replace all calls like
       `#!cpp from_ubjson(ptr, len, ...);` with `#!cpp from_ubjson(ptr, ptr+len, ...);`.
     - Overload (2) replaces calls to `from_ubjson` with a pair of iterators as their first parameter, which has been
       deprecated in version 3.8.0. This overload will be removed in version 4.0.0. Please replace all calls like

docs/mkdocs/docs/api/basic_json/json_base_class_t.md

@@ -62,5 +62,5 @@ same name. Hidden members remain accessible via [`as_base_class`](as_base_class.
 
 ## Version history
 
-- Added in version 3.12.0.
+- Added in version 3.11.3.
 - Made a public member type in version 3.13.0; it was private before, so it could not be named outside the class.

docs/mkdocs/docs/api/basic_json/operator[].md

@@ -286,4 +286,6 @@ Strong exception safety: if an exception occurs, the original value stays intact
 3. Added in version 3.11.0. Fixed in version 3.13.0 to consistently accept `std::string_view`-convertible keys, as
    already supported by [`at`](at.md), [`value`](value.md), [`find`](find.md), and other lookup functions.
 4. Added in version 2.0.0. A missing array index in the const version is guarded by a runtime assertion since
-   version 3.13.0.
+   version 3.13.0. Throws [`parse_error.109`](../../home/exceptions.md#jsonexceptionparse_error109) instead of
+[`out_of_range.404`](../../home/exceptions.md#jsonexceptionout_of_range404) for a one-character array index that is not
+a digit (e.g., `/x`) in version 3.13.0, as it already did for longer ones.

docs/mkdocs/docs/api/basic_json/patch.md

@@ -112,3 +112,6 @@ is thrown. In any case, the original value is not changed: the patch is applied
   location has a non-object/non-array parent in version 3.13.0.
 - Added [`out_of_range.414`](../../home/exceptions.md#jsonexceptionout_of_range414) and rejected a "move" operation whose "from" location is a proper
   prefix of its "path" location instead of silently producing a corrupted result in version 3.13.0.
+- Throws [`parse_error.109`](../../home/exceptions.md#jsonexceptionparse_error109) instead of
+  [`out_of_range.404`](../../home/exceptions.md#jsonexceptionout_of_range404) for a one-character array index that is
+  not a digit (e.g., `/x`) in version 3.13.0, as it already did for longer ones.

docs/mkdocs/docs/api/basic_json/patch_inplace.md

@@ -110,3 +110,6 @@ function throws an exception.
   location has a non-object/non-array parent in version 3.13.0.
 - Added [`out_of_range.414`](../../home/exceptions.md#jsonexceptionout_of_range414) and rejected a "move" operation whose "from" location is a proper
   prefix of its "path" location instead of silently producing a corrupted result in version 3.13.0.
+- Throws [`parse_error.109`](../../home/exceptions.md#jsonexceptionparse_error109) instead of
+  [`out_of_range.404`](../../home/exceptions.md#jsonexceptionout_of_range404) for a one-character array index that is
+  not a digit (e.g., `/x`) in version 3.13.0, as it already did for longer ones.

docs/mkdocs/docs/api/basic_json/sax_parse.md

@@ -96,7 +96,9 @@ The SAX event lister must follow the interface of [`json_sax`](../json_sax/index
 
 ## Return value
 
-return value of the last processed SAX event
+`#!cpp true` if the input was parsed without errors and no SAX event returned `#!cpp false`; `#!cpp false` otherwise.
+In particular, the result is `#!cpp false` for input with errors, even if the SAX parser recovered from all of them
+(see [error recovery](../../features/parsing/error_recovery.md)).
 
 ## Exception safety
 
@@ -145,6 +147,7 @@ A UTF-8 byte order mark is silently ignored.
 - Added `ignore_trailing_commas` in version 3.13.0.
 - Added `tag_handler` in version 3.13.0.
 - Extended container support (1) to include types with lvalue-only ADL `begin`/`end` (matching `std::begin`/`std::end` semantics) in version 3.13.0.
+- Recovering from parse errors (see [`parse_error`](../json_sax/parse_error.md)) added in version 3.13.0.
 - Extended overload (2) to accept heterogeneous iterator+sentinel pairs (C++20 ranges support) in version 3.13.0.
 - `JSON_PRECISE_STREAM_POSITION` added in version 3.13.0 to optionally leave a `#!cpp std::istream` positioned right
   after the parsed value when `strict` is `#!cpp false`.

docs/mkdocs/docs/api/basic_json/to_bon8.md

@@ -41,6 +41,8 @@ With (2), the bytes written before the exception remain in the output adapter.
   above 9223372036854775807, which BON8 cannot represent
 - Throws [type_error.316](../../home/exceptions.md#jsonexceptiontype_error316) if `j` contains a string that is not
   valid UTF-8
+- Throws [type_error.321](../../home/exceptions.md#jsonexceptiontype_error321) if `j` or a value nested in it is
+  discarded; example: `"cannot serialize discarded value to BON8"`
 
 ## Complexity
 

docs/mkdocs/docs/api/basic_json/unflatten.md

@@ -36,8 +36,9 @@ The function can throw the following exceptions:
 - Throws [`parse_error.109`](../../home/exceptions.md#jsonexceptionparse_error109) if an array index in a key is not a
   number; example: `"array index 'one' is not a number"`
 - Throws [`out_of_range.404`](../../home/exceptions.md#jsonexceptionout_of_range404) if a level becomes an array
-  (because one of its keys is `0`) and another key at that level cannot be an array index; example:
-  `"unresolved reference token 'x'"`
+  (because one of its keys is `0`) and another key at that level begins with a digit but is not a valid array index
+  (such as `1a`), or is `-`; example:
+  `"unresolved reference token '-'"`
 
 ## Complexity
 
@@ -80,3 +81,6 @@ Apart from these two cases, for a JSON value `j`, the following is always true:
 
 - Added in version 2.0.0.
 - Made the array/object decision independent of the object's iteration order in version 3.13.0.
+- Throws [`parse_error.109`](../../home/exceptions.md#jsonexceptionparse_error109) instead of
+  [`out_of_range.404`](../../home/exceptions.md#jsonexceptionout_of_range404) for a one-character array index that is
+  not a digit (e.g., `/x`) in version 3.13.0, as it already did for longer ones.

docs/mkdocs/docs/api/basic_json/value.md

@@ -119,6 +119,14 @@ changes to any JSON value.
 
 ## Notes
 
+!!! warning "`null` members are not missing"
+
+    The default value is used only if the key (or JSON Pointer) does not exist. A member that exists but is
+    `#!json null` is converted like any other value, so `#!cpp j.value("k", 0)` throws a
+    [`type_error.302`](../../home/exceptions.md#jsonexceptiontype_error302) if `"k"` is `#!json null`. See
+    [Access with default value](../../features/element_access/default_value.md)
+    for alternatives.
+
 !!! warning "Return type"
 
     The value function is a template, and the return type of the function is determined by the type of the provided
@@ -227,4 +235,6 @@ changes to any JSON value.
    [`operator[]`](operator[].md), [`at`](at.md), [`find`](find.md), and other lookup functions.
 3. Added in version 2.0.2. Extended to work with arrays in version 3.13.0, including fixing an issue where resolving
    `ptr` through an array unexpectedly threw `out_of_range` instead of returning the resolved element (or
-   `default_value`, as documented).
+   `default_value`, as documented). Throws [`parse_error.109`](../../home/exceptions.md#jsonexceptionparse_error109)
+   instead of returning `default_value` for a one-character array index that is not a digit (e.g., `/x`) in version
+   3.13.0, as it already did for longer ones.

docs/mkdocs/docs/api/json_sax/index.md

@@ -7,7 +7,8 @@ struct json_sax;
 
 This class describes the SAX interface used by [sax_parse](../basic_json/sax_parse.md). Each function is called in
 different situations while the input is parsed. The boolean return value informs the parser whether to continue
-processing the input.
+processing the input; for [`parse_error`](parse_error.md), it decides whether to
+[recover from the error](../../features/parsing/error_recovery.md).
 
 For instance, parsing the JSON text `{"a": [1, true]}` triggers the following callbacks, in order:
 

docs/mkdocs/docs/api/json_sax/parse_error.md

@@ -21,11 +21,18 @@ A parse error occurred.
 
 ## Return value
 
-Whether parsing should proceed (**must return `#!cpp false`**).
+Whether to recover from the error:
+
+- `#!cpp false` stops parsing.
+- `#!cpp true` recovers from the error: the error is repaired and parsing continues. If that is not possible, which
+  happens in the binary formats when the end of the item with the error is unknown, the value read so far is completed
+  and parsing stops. See [error recovery](../../features/parsing/error_recovery.md) for how errors are repaired.
+
+Either way, [`sax_parse`](../basic_json/sax_parse.md) returns `#!cpp false`.
 
 ## Examples
 
-??? example
+??? example "Example: (1) the SAX interface"
 
     The example below shows how the SAX interface is used.
 
@@ -39,12 +46,29 @@ Whether parsing should proceed (**must return `#!cpp false`**).
     --8<-- "examples/sax_parse.output"
     ```
 
+??? example "Example: (2) recovering from errors"
+
+    The example below shows how a SAX parser recovers from errors.
+
+    ```cpp
+    --8<-- "examples/sax_parse__error_recovery.cpp"
+    ```
+    
+    Output:
+    
+    ```
+    --8<-- "examples/sax_parse__error_recovery.output"
+    ```
+
 ## See also
 
 - [sax_parse](../basic_json/sax_parse.md) - SAX parser
 - [Parsing and Exceptions](../../features/parsing/parse_exceptions.md) - the article on handling parse errors without
   exceptions
+- [Error Recovery](../../features/parsing/error_recovery.md) - the article on recovering from parse errors
 
 ## Version history
 
 - Added in version 3.2.0.
+- Returning `#!cpp true` recovers from the error since version 3.13.0; before, parsing stopped, but the result of
+  [`sax_parse`](../basic_json/sax_parse.md) could be wrong.

docs/mkdocs/docs/api/macros/index.md

@@ -27,6 +27,7 @@ header. See also the [macro overview page](../../features/macros.md).
 
 - [**JSON_HAS_CPP_11**<br>**JSON_HAS_CPP_14**<br>**JSON_HAS_CPP_17**<br>**JSON_HAS_CPP_20**](json_has_cpp_11.md) - set supported C++ standard
 - [**JSON_HAS_FILESYSTEM**<br>**JSON_HAS_EXPERIMENTAL_FILESYSTEM**](json_has_filesystem.md) - control `std::filesystem` support
+- [**JSON_HAS_RANGE_VIEW_CONVERSION**](json_has_range_view_conversion.md) - control construction from `std::ranges` views
 - [**JSON_HAS_RANGES**](json_has_ranges.md) - control `std::ranges` support
 - [**JSON_HAS_STATIC_RTTI**](json_has_static_rtti.md) - control RTTI (run time type information) support
 - [**JSON_HAS_STD_FORMAT**](json_has_std_format.md) - control `std::format`/`std::formatter` support

docs/mkdocs/docs/api/macros/json_has_cpp_11.md

@@ -49,6 +49,6 @@ The default value is detected based on preprocessor macros such as `#!cpp __cplu
 
 ## Version history
 
-- Added in version 3.10.5.
+- Added in version 3.10.0.
 - Added `JSON_HAS_CPP_23` in version 3.12.0.
 - Added `JSON_HAS_CPP_26` in version 3.13.0.

docs/mkdocs/docs/api/macros/json_has_range_view_conversion.md

@@ -0,0 +1,43 @@
+# JSON_HAS_RANGE_VIEW_CONVERSION
+
+```cpp
+#define JSON_HAS_RANGE_VIEW_CONVERSION /* value */
+```
+
+This macro indicates whether a JSON array can be constructed directly from a C++20 range view (`std::ranges::view`),
+such as the result of `std::views::filter` or `std::views::transform`. Possible values are `1` when supported or `0`
+when unsupported.
+
+## Default definition
+
+The default value is `1` if [`JSON_HAS_RANGES`](json_has_ranges.md) is `1` and the compiler is not MinGW (that is,
+`#!cpp __MINGW32__` is not defined), and `0` otherwise.
+
+When the macro is not defined, the library will define it to its default value.
+
+!!! info "Known compiler/stdlib exclusions"
+
+    - **MinGW** -- disabled, because its `std::ranges` support is incomplete ([issue #4916](https://github.com/nlohmann/json/issues/4916)).
+    - All toolchains for which [`JSON_HAS_RANGES`](json_has_ranges.md#default-definition) is disabled.
+
+## Examples
+
+??? example
+
+    The code below forces the library to disable the conversion from range views:
+
+    ```cpp
+    #define JSON_HAS_RANGE_VIEW_CONVERSION 0
+    #include <nlohmann/json.hpp>
+
+    ...
+    ```
+
+## See also
+
+- [JSON_HAS_RANGES](json_has_ranges.md) - control `std::ranges` support
+- [Constructing from a C++20 range view](../../features/conversions.md#putting-values-in) - usage of the feature
+
+## Version history
+
+- Added in version 3.13.0.

docs/mkdocs/docs/api/macros/json_has_ranges.md

@@ -20,7 +20,7 @@ When the macro is not defined, the library will define it to its default value.
     
     - **GCC 11.1.0** — disabled (the shipped `<ranges>` header has a syntax error; [issue #4440](https://github.com/nlohmann/json/issues/4440))
     - **libstdc++ < 11** — disabled (incomplete C++20 ranges support; [issue #4440](https://github.com/nlohmann/json/issues/4440))
-    - **Clang < 16 with libstdc++** — disabled (incomplete ranges support; [issue #4440](https://github.com/nlohmann/json/issues/4440))
+    - **Clang < 16 with libstdc++** — disabled (incomplete ranges support; [issue #5161](https://github.com/nlohmann/json/issues/5161))
     - **libc++ < 160000** — disabled (incomplete C++20 ranges support; [issue #4440](https://github.com/nlohmann/json/issues/4440))
     - **nvcc (CUDA) 12.0.x and 12.1.x** — disabled (the `enable_borrowed_range` variable-template syntax triggers a parse error
       under these two toolkit versions; fixed in CUDA 12.2; [issue #3907](https://github.com/nlohmann/json/issues/3907))
@@ -44,9 +44,12 @@ When the macro is not defined, the library will define it to its default value.
 
 - [JSON_HAS_CPP_11 / JSON_HAS_CPP_14 / JSON_HAS_CPP_17 / JSON_HAS_CPP_20 / JSON_HAS_CPP_23 /
   JSON_HAS_CPP_26](json_has_cpp_11.md) - set supported C++ standard
+- [JSON_HAS_RANGE_VIEW_CONVERSION](json_has_range_view_conversion.md) - control construction from `std::ranges` views
 - [JSON_HAS_STD_FORMAT](json_has_std_format.md) - a similar feature-detection macro, for `std::format`/`std::formatter`
   support
 
 ## Version history
 
 - Added in version 3.11.0.
+- Added the exclusions for libstdc++ < 11, Clang < 16 with libstdc++, libc++ < 16, and nvcc (CUDA) 12.0.x and 12.1.x in
+  version 3.13.0. Before, only GCC 11.1.0 was excluded.

docs/mkdocs/docs/api/macros/json_strict_binary_utf8.md

@@ -20,7 +20,10 @@ The macro does not affect:
 - The binary readers ([`from_cbor`](../basic_json/from_cbor.md), [`from_msgpack`](../basic_json/from_msgpack.md),
   [`from_ubjson`](../basic_json/from_ubjson.md), [`from_bjdata`](../basic_json/from_bjdata.md),
   [`from_bson`](../basic_json/from_bson.md)): none of these formats requires a decoder to reject ill-formed UTF-8, so
-  they always return the bytes unchanged.
+  by default they return the bytes unchanged (`error_handler_t::keep`), independent of this macro. Pass an
+  `error_handler` argument explicitly to validate or sanitize the strings they read.
+- [`from_bon8`](../basic_json/from_bon8.md): BON8 always validates, because the UTF-8 lead bytes mark where a string
+  ends.
 
 ## Default definition
 

docs/mkdocs/docs/api/macros/json_use_implicit_conversions.md

@@ -67,7 +67,7 @@ By default, implicit conversions are enabled.
     `JSON_USE_IMPLICIT_CONVERSIONS` is defined to `0`:
 
     ```cpp
-    using wjson = nlohmann::basic_json<std::map, std::vector, std::wstring>;
+    using wjson = nlohmann::json::with_string_t<std::wstring>;
 
     void load(const nlohmann::json& j);
 

docs/mkdocs/docs/api/macros/nlohmann_define_derived_type.md

@@ -190,3 +190,5 @@ void to_json(BasicJsonType& j, const B& b) {
 4. Added in version 3.12.0.
 5. Added in version 3.12.0.
 6. Added in version 3.12.0.
+
+All six macros were changed to allow an empty member list in version 3.13.0.

docs/mkdocs/docs/api/macros/nlohmann_define_type_intrusive.md

@@ -186,3 +186,6 @@ See the examples below for the concrete generated code.
 1. Added in version 3.9.0.
 2. Added in version 3.11.0.
 3. Added in version 3.11.3.
+
+All three macros were changed to work with any `basic_json` specialization (not only `nlohmann::json`) in version 3.12.0,
+and to allow an empty member list in version 3.13.0.

docs/mkdocs/docs/api/macros/nlohmann_define_type_non_intrusive.md

@@ -185,3 +185,6 @@ See the examples below for the concrete generated code.
 1. Added in version 3.9.0.
 2. Added in version 3.11.0.
 3. Added in version 3.11.3.
+
+All three macros were changed to work with any `basic_json` specialization (not only `nlohmann::json`) in version 3.12.0,
+and to allow an empty member list in version 3.13.0.

docs/mkdocs/docs/api/macros/nlohmann_json_namespace.md

@@ -38,4 +38,6 @@ the library.
 
 ## Version history
 
-- Added in version 3.11.0. Changed inline namespace name in version 3.11.2.
+- Added in version 3.11.0. Changed inline namespace name in version 3.11.2. Added the ABI tag `_dp` in
+  version 3.12.0, and the ABI tags `_bics`, `_psp`, `_snul`, `_sbu8`, and `_ekmo` in version 3.13.0; see
+  [`nlohmann` Namespace](../../features/namespace.md#structure).

docs/mkdocs/docs/api/macros/nlohmann_json_namespace_begin.md

@@ -14,7 +14,7 @@ These macros can be used to open and close the `nlohmann` namespace. See
 ## Default definition
 
 The default definitions open and close the `nlohmann` namespace. The precise definition of
-[`NLOHMANN_JSON_NAMESPACE_BEGIN`] varies as described [here](../../features/namespace.md#structure).
+`NLOHMANN_JSON_NAMESPACE_BEGIN` varies as described [here](../../features/namespace.md#structure).
 
 1. Default definition of `NLOHMANN_JSON_NAMESPACE_BEGIN`:
 

docs/mkdocs/docs/community/assurance_case.md

@@ -10,7 +10,7 @@ The library parses, stores, and serializes JSON values in memory. It does not op
 files (it only reads from streams or `std::FILE*` handles that the caller has already opened), does not read environment
 variables, and does not implement cryptography or handle credentials.
 
-The primary threat is therefore **untrusted input**: JSON text or binary data (BJData, BSON, CBOR, MessagePack, UBJSON)
+The primary threat is therefore **untrusted input**: JSON text or binary data (BJData, BON8, BSON, CBOR, MessagePack, UBJSON)
 that an attacker controls, passed to [`parse`](../api/basic_json/parse.md), [`accept`](../api/basic_json/accept.md),
 [`sax_parse`](../api/basic_json/sax_parse.md), or one of the `from_*` functions such as
 [`from_cbor`](../api/basic_json/from_cbor.md). Such input may try to

docs/mkdocs/docs/community/quality_assurance.md

@@ -12,7 +12,7 @@ violations will result in a failed build.
 
 Note: C++20 modules support may hit compiler-specific issues not covered by the general compiler matrix below. See [Modules](../features/modules.md#known-issues) for known issues and workarounds.
 
-Note: Some modern features (like C++20 ranges or filesystem support) may be disabled on specific broken or incomplete toolchains even when standard feature-test macros indicate support. See [`JSON_HAS_RANGES`](../api/macros/json_has_ranges.md) and [`JSON_HAS_FILESYSTEM`](../api/macros/json_has_filesystem.md) for details on known exclusions.
+Note: Some modern features (like C++20 ranges or filesystem support) may be disabled on specific broken or incomplete toolchains even when standard feature-test macros indicate support. See [`JSON_HAS_RANGES`](../api/macros/json_has_ranges.md), [`JSON_HAS_RANGE_VIEW_CONVERSION`](../api/macros/json_has_range_view_conversion.md), and [`JSON_HAS_FILESYSTEM`](../api/macros/json_has_filesystem.md) for details on known exclusions.
 
 - [x] The library is compiled with 50+ different C++ compilers with different operating systems and platforms,
   including the oldest versions known to compile the library.
@@ -107,7 +107,7 @@ Note: Some modern features (like C++20 ranges or filesystem support) may be disa
 - [x] The library is compiled with all C++ language revisions (C++11, C++14, C++17, C++20, C++23, and C++26) to detect
   and fix language deprecations early.
 - [x] The library is checked for compiler warnings:
-  - On Clang, `-Weverything` is used with 8 exceptions.
+  - On Clang, `-Weverything` is used with 7 exceptions.
 
     ??? abstract "Clang warnings"
 

docs/mkdocs/docs/community/roadmap.md

@@ -36,13 +36,26 @@ work items are tracked in the [GitHub milestones](https://github.com/nlohmann/js
 ## API stability
 
 Releases follow [semantic versioning](https://semver.org): a minor or patch release of version 3.x does not break code
-that uses the public API. In particular, a 3.x release does not:
+that uses the public API, unless that code opts in to a change with a macro as described [below](#version-40). In
+particular, a 3.x release does not:
 
-- change the signature of a function (its parameter types, return type, number of parameters, or the const-ness of a
-  member function);
-- remove or rename a function or class;
+- make breaking changes to the signature of a function: the types or order of its existing parameters, its return type,
+  its `noexcept` or `constexpr` specifier, or the const-ness of a member function. New parameters may be added if they
+  have a default value;
+- remove or rename a function or class, or change the template parameters of a public class template;
 - change which exceptions a function throws, or the [exception ids](../home/exceptions.md);
-- change access specifiers or default arguments.
+- change access specifiers, or change or remove existing default arguments. New default arguments may be added;
+- change the JSON type that a valid input parses to, or the text that `dump()` produces for a valid value;
+- accept input that was rejected before, or reject input that was accepted before;
+- change the order in which the keys of an object are iterated. The default type sorts keys, and
+  [`ordered_json`](../api/ordered_json.md) keeps insertion order;
+- change when iterators, pointers, or references are invalidated, or the state of a moved-from `basic_json`;
+- add or remove implicit conversions from `basic_json`;
+- change how `to_json` and `from_json` functions are found, or the behavior of
+  [`adl_serializer`](../api/adl_serializer/index.md);
+- add pure virtual functions to the [`json_sax`](../api/json_sax/index.md) interface;
+- remove, rename, renumber, or add enumerators of `value_t`;
+- remove or rename a documented macro, CMake option, CMake target, or header, or change what a documented macro does.
 
 Exceptions to these rules, for instance when fixing a bug requires changing the exception a function throws, are
 documented in the [release notes](../home/releases.md).
@@ -51,13 +64,14 @@ The following are **not** part of the public API and may change in any release,
 
 - The text of exception messages returned by `what()`. Use the [exception id](../home/exceptions.md) to tell errors
   apart.
-- The ABI, including `sizeof(basic_json)` and the memory layout of its values. Recompile your code when you upgrade the
-  library. The [versioned inline namespace](../features/namespace.md) turns mixing versions into a link error.
+- The ABI, including `sizeof(basic_json)` and the memory layout of its values. The
+  [versioned inline namespace](../features/namespace.md) turns mixing versions into a link error.
+- The hash values returned by `std::hash` for `basic_json`. Numbers that compare equal still hash equally.
 - Everything in namespace `nlohmann::detail`, and macros and type traits that are not documented in the
   [API reference](../api/basic_json/index.md).
 
-Changes that would break the public API are only added behind a macro whose default keeps the 3.x behavior, see
-[Version 4.0](#version-40).
+Breaking changes are only added behind a macro whose default keeps the 3.x behavior. See [Version 4.0](#version-40) and
+the [macro overview](../features/macros.md).
 
 ## Version 4.0
 

docs/mkdocs/docs/examples/as_base_class.cpp

@@ -15,19 +15,7 @@ class base_class_with_hidden_members
     }
 };
 
-using json = nlohmann::basic_json <
-             std::map,
-             std::vector,
-             std::string,
-             bool,
-             std::int64_t,
-             std::uint64_t,
-             double,
-             std::allocator,
-             nlohmann::adl_serializer,
-             std::vector<std::uint8_t>,
-             base_class_with_hidden_members
-             >;
+using json = nlohmann::json::with_base_class_t<base_class_with_hidden_members>;
 
 int main()
 {

docs/mkdocs/docs/examples/contains__json_pointer.cpp

@@ -19,25 +19,9 @@ int main()
               << j.contains("/array/1"_json_pointer) << '\n'
               << j.contains("/array/-"_json_pointer) << '\n'
               << j.contains("/array/4"_json_pointer) << '\n'
-              << j.contains("/baz"_json_pointer) << std::endl;
-
-    try
-    {
-        // try to use an array index with leading '0'
-        j.contains("/array/01"_json_pointer);
-    }
-    catch (const json::parse_error& e)
-    {
-        std::cout << e.what() << '\n';
-    }
-
-    try
-    {
-        // try to use an array index that is not a number
-        j.contains("/array/one"_json_pointer);
-    }
-    catch (const json::parse_error& e)
-    {
-        std::cout << e.what() << '\n';
-    }
+              << j.contains("/baz"_json_pointer) << '\n'
+              // an array index with a leading '0' is not found
+              << j.contains("/array/01"_json_pointer) << '\n'
+              // an array index that is not a number is not found
+              << j.contains("/array/one"_json_pointer) << std::endl;
 }

docs/mkdocs/docs/examples/contains__json_pointer.output

@@ -5,3 +5,5 @@ true
 false
 false
 false
+false
+false

docs/mkdocs/docs/examples/custom_array_type.cpp

@@ -1,11 +1,10 @@
 #include <iostream>
-#include <map>
 
 #include <nlohmann/json.hpp>
 
 #include "custom_array_type.hpp"
 
-using custom_json = nlohmann::basic_json<std::map, custom_array_type>;
+using custom_json = nlohmann::json::with_array_t<custom_array_type>;
 
 int main()
 {

docs/mkdocs/docs/examples/custom_binary_type.cpp

@@ -1,16 +1,10 @@
-#include <cstdint>
 #include <iostream>
-#include <map>
-#include <string>
-#include <vector>
 
 #include <nlohmann/json.hpp>
 
 #include "custom_binary_type.hpp"
 
-using custom_json = nlohmann::basic_json<std::map, std::vector, std::string, bool,
-      std::int64_t, std::uint64_t, double, std::allocator,
-      nlohmann::adl_serializer, custom_binary_type>;
+using custom_json = nlohmann::json::with_binary_t<custom_binary_type>;
 
 int main()
 {

docs/mkdocs/docs/examples/custom_object_type.cpp

@@ -1,12 +1,11 @@
 #include <iostream>
 #include <type_traits>
-#include <vector>
 
 #include <nlohmann/json.hpp>
 
 #include "custom_object_type.hpp"
 
-using custom_json = nlohmann::basic_json<custom_object_type, std::vector>;
+using custom_json = nlohmann::json::with_object_t<custom_object_type>;
 
 int main()
 {

docs/mkdocs/docs/examples/custom_string_type.cpp

@@ -1,12 +1,10 @@
 #include <iostream>
-#include <map>
-#include <vector>
 
 #include <nlohmann/json.hpp>
 
 #include "custom_string_type.hpp"
 
-using custom_json = nlohmann::basic_json<std::map, std::vector, custom_string_type>;
+using custom_json = nlohmann::json::with_string_t<custom_string_type>;
 
 int main()
 {

docs/mkdocs/docs/examples/parse_error.cpp

@@ -8,7 +8,7 @@ int main()
     try
     {
         // parsing input with a syntax error
-        json::parse("[1,2,3,]");
+        json j = json::parse("[1,2,3,]");
     }
     catch (const json::parse_error& e)
     {

docs/mkdocs/docs/examples/sax_parse__error_recovery.cpp

@@ -0,0 +1,43 @@
+#include <iostream>
+#include <iomanip>
+#include <nlohmann/json.hpp>
+
+using json = nlohmann::json;
+
+// a SAX parser that creates a JSON value like json::parse does, but that
+// recovers from parse errors instead of stopping at the first one
+class recovering_parser : public nlohmann::detail::json_sax_dom_parser<json>
+{
+  public:
+    explicit recovering_parser(json& result)
+        : nlohmann::detail::json_sax_dom_parser<json>(result, false)
+    {}
+
+    bool parse_error(std::size_t position,
+                     const std::string& /*last_token*/,
+                     const json::exception& ex)
+    {
+        std::cout << "byte " << position << ": " << ex.what() << '\n';
+
+        // repair the input and continue
+        return true;
+    }
+};
+
+int main()
+{
+    // JSON text with several mistakes that ends too early
+    const std::string text = R"({
+    "name": "Hello World",
+    "tags": ["a" "b",],
+    "valid": tru,
+    "size": 1.,
+    "nested": {"x": 1)";
+
+    json result;
+    recovering_parser sax(result);
+    const bool valid = json::sax_parse(text, &sax);
+
+    std::cout << "\nvalid JSON: " << std::boolalpha << valid << '\n'
+              << std::setw(4) << result << std::endl;
+}

docs/mkdocs/docs/examples/sax_parse__error_recovery.output

@@ -0,0 +1,19 @@
+byte 49: [json.exception.parse_error.101] parse error at line 3, column 20: syntax error while parsing array - unexpected string literal; expected ']'
+byte 51: [json.exception.parse_error.101] parse error at line 3, column 22: syntax error while parsing value - unexpected ']'; expected '[', '{', or a literal
+byte 70: [json.exception.parse_error.101] parse error at line 4, column 17: syntax error while parsing value - invalid literal; last read: '"valid": tru,'
+byte 86: [json.exception.parse_error.101] parse error at line 5, column 15: syntax error while parsing value - invalid number; expected digit after '.'; last read: '1.,'
+byte 109: [json.exception.parse_error.101] parse error at line 6, column 22: syntax error while parsing object - unexpected end of input; expected '}'
+
+valid JSON: false
+{
+    "name": "Hello World",
+    "nested": {
+        "x": 1
+    },
+    "size": 1,
+    "tags": [
+        "a",
+        "b"
+    ],
+    "valid": null
+}

docs/mkdocs/docs/features/arbitrary_types.md

@@ -347,6 +347,13 @@ struct adl_serializer<boost::optional<T>> {
 NLOHMANN_JSON_NAMESPACE_END
 ```
 
+!!! tip "`std::optional` needs no serializer"
+
+    Since version 3.12.0, `std::optional<T>` is supported out of the box when compiling with C++17
+    (`std::nullopt` is converted to and from `null`). Do not write an `adl_serializer` for it; this pattern is only
+    needed for types such as `boost::optional` or for custom semantics. See [Conversions](conversions.md) and
+    [Omitting a field when serializing `std::optional`](conversions.md#omitting-a-field-when-serializing-stdoptional).
+
 !!! note "ABI compatibility"
 
     Use [`NLOHMANN_JSON_NAMESPACE_BEGIN`](../api/macros/nlohmann_json_namespace_begin.md) and `NLOHMANN_JSON_NAMESPACE_END`

docs/mkdocs/docs/features/conversions.md

@@ -217,7 +217,8 @@ json j = numbers;   // [1,2,3]
     ```
 
     This requires [`JSON_HAS_RANGES`](../api/macros/json_has_ranges.md) to be enabled and is unavailable on MinGW due
-    to incomplete C++20 ranges support there.
+    to incomplete C++20 ranges support there; see
+    [`JSON_HAS_RANGE_VIEW_CONVERSION`](../api/macros/json_has_range_view_conversion.md).
 
 ## Your own types
 

docs/mkdocs/docs/features/element_access/default_value.md

@@ -30,6 +30,47 @@ you want to access and a default value in case there is no value stored with tha
     | `#!cpp j.value("append", false)`            | `#!json true`                                        |
     | `#!cpp j.value("logLevel", "verbose")`      | `#!json "verbose"`                                   |
 
+## Nested values
+
+To read a value deep inside a document, pass a [JSON Pointer](../json_pointer.md) instead of a key. The default value is
+returned if the value at the pointer does not exist, including the case that an intermediate key is missing. There is
+no need to check each level with [`contains`](../../api/basic_json/contains.md) first.
+
+```cpp
+json j = {{"server", {{"port", 8080}}}, {"list", {10, 20}}};
+
+int port = j.value("/server/port"_json_pointer, 80);        // 8080
+int timeout = j.value("/server/limits/timeout"_json_pointer, 30); // 30 (missing intermediate key)
+int second = j.value("/list/1"_json_pointer, 0);            // 20 (numeric tokens index arrays)
+int third = j.value("/list/5"_json_pointer, 0);             // 0 (index out of range)
+
+bool has_port = j.contains("/server/port"_json_pointer);    // true
+bool has_host = j.contains("/server/host/name"_json_pointer); // false
+```
+
+If the path is only available as a dotted string such as `#!cpp "server.port"`, do not build the pointer by
+concatenating `#!cpp "/"` and the parts: keys containing `/` or `~` would be misinterpreted. Append each part as a
+reference token with [`operator/=`](../../api/json_pointer/operator_slasheq.md) instead. It escapes the token for you.
+
+```cpp
+json::json_pointer to_pointer(const std::string& dotted)
+{
+    json::json_pointer ptr;
+    std::istringstream in(dotted);
+    for (std::string token; std::getline(in, token, '.');)
+    {
+        ptr /= token;
+    }
+    return ptr;
+}
+
+int port = j.value(to_pointer("server.port"), 80);          // 8080
+int first = j.value(to_pointer("list.0"), 0);               // 10
+```
+
+The key `#!cpp "a/b"` yields the pointer `#!cpp "/a~1b"`; the dot-splitting itself is up to the caller, so keys
+containing `.` need a different separator.
+
 ## Notes
 
 !!! failure "Exceptions"
@@ -37,6 +78,31 @@ you want to access and a default value in case there is no value stored with tha
     - With string keys, `value` can only be used with objects. For other types, a [`basic_json::type_error`](../../home/exceptions.md#jsonexceptiontype_error306) is thrown.
     - With JSON Pointers, `value` can be used with both objects and arrays. For other types (null, boolean, number, string), a [`basic_json::type_error`](../../home/exceptions.md#jsonexceptiontype_error306) is thrown.
 
+!!! warning "`null` and mistyped members are not missing"
+
+    `value` returns the default value only if the key is **absent**. If the member exists, it is converted to the type
+    of the default value, even if it is `#!json null`. For `#!json {"k": null}`, the call `#!cpp j.value("k", 0)` throws
+    a [`basic_json::type_error`](../../home/exceptions.md#jsonexceptiontype_error302), and so does a member of another
+    type such as a string where a number is expected. The same holds for JSON Pointers.
+
+    To treat `#!json null` like a missing value, check for it explicitly:
+
+    ```cpp
+    int n = (j.contains("k") && !j["k"].is_null()) ? j["k"].get<int>() : 0;
+    ```
+
+    With C++17, [`get<std::optional<T>>()`](../../api/basic_json/get.md) maps `#!json null` to an empty optional. As
+    [`at`](../../api/basic_json/at.md) throws [`out_of_range`](../../home/exceptions.md#jsonexceptionout_of_range403)
+    for an absent key, use [`find`](../../api/basic_json/find.md) to cover both cases:
+
+    ```cpp
+    std::optional<int> n;                        // empty if "k" is absent or null
+    if (const auto it = j.find("k"); it != j.end())
+    {
+        n = it->get<std::optional<int>>();       // still throws for a non-number such as "text"
+    }
+    ```
+
 !!! warning "Return type"
 
     The value function is a template, and the return type of the function is determined by the type of the provided
@@ -63,3 +129,6 @@ you want to access and a default value in case there is no value stored with tha
 
 - [`value`](../../api/basic_json/value.md) for access with default value
 - documentation on [checked access](checked_access.md)
+- documentation on [JSON Pointer](../json_pointer.md)
+- [`contains`](../../api/basic_json/contains.md) to check whether a key or JSON Pointer exists
+- [`json_pointer::operator/=`](../../api/json_pointer/operator_slasheq.md) to build a pointer token by token

docs/mkdocs/docs/features/json_pointer.md

@@ -77,6 +77,10 @@ auto val2 = j.at(json::json_pointer("/nested/three/1"));    // false
 auto val3 = j.value(json::json_pointer("/nested/four"), 0); // 0
 ```
 
+To read a value with a fallback, use [`value`](../api/basic_json/value.md) with a JSON Pointer; to test for existence,
+use [`contains`](../api/basic_json/contains.md). Neither needs intermediate checks, see
+[Nested values](element_access/default_value.md#nested-values).
+
 !!! note "Creating intermediate levels that don't exist"
 
     See the [`operator[]` notes](../api/basic_json/operator%5B%5D.md#return-value) for how array vs. object is
@@ -126,6 +130,8 @@ auto j_original = j_flat.unflatten();
 ## See also
 
 - Class [`json_pointer`](../api/json_pointer/index.md)
+- Functions [`value`](../api/basic_json/value.md), [`contains`](../api/basic_json/contains.md), and
+  [`at`](../api/basic_json/at.md) accept JSON Pointers; see [Nested values](element_access/default_value.md#nested-values)
 - Function [`flatten`](../api/basic_json/flatten.md)
 - Function [`unflatten`](../api/basic_json/unflatten.md)
 - [JSON Patch](json_patch.md) - paths inside a patch are JSON Pointers

docs/mkdocs/docs/features/macros.md

@@ -82,6 +82,45 @@ To override the built-in check, define `JSON_HAS_FILESYSTEM` or `JSON_HAS_EXPERI
 
 See [full documentation of `JSON_HAS_FILESYSTEM` and `JSON_HAS_EXPERIMENTAL_FILESYSTEM`](../api/macros/json_has_filesystem.md).
 
+## `JSON_HAS_RANGES`
+
+The library uses `std::ranges` (and concepts) where available, for example, to parse from C++20 ranges and to
+construct JSON arrays from range views. The library detects whether the standard library supports ranges and
+disables the support on toolchains with an incomplete implementation. To override the built-in check, define
+`JSON_HAS_RANGES` to `1` or `0`.
+
+See [full documentation of `JSON_HAS_RANGES`](../api/macros/json_has_ranges.md).
+
+## `JSON_HAS_RANGE_VIEW_CONVERSION`
+
+When `JSON_HAS_RANGES` is enabled (and the compiler is not MinGW), a JSON array can be constructed directly from a C++20
+range view such as `std::views::filter(...)`. To override the built-in check, define `JSON_HAS_RANGE_VIEW_CONVERSION` to
+`1` or `0`.
+
+See [full documentation of `JSON_HAS_RANGE_VIEW_CONVERSION`](../api/macros/json_has_range_view_conversion.md).
+
+## `JSON_HAS_STATIC_RTTI`
+
+The library detects whether the compiler supports run time type information (RTTI), which it needs, for instance, to
+exclude `std::any` from the candidate types of the implicit conversion on C++17. To override the built-in check, define
+`JSON_HAS_STATIC_RTTI` to `1` or `0`.
+
+See [full documentation of `JSON_HAS_STATIC_RTTI`](../api/macros/json_has_static_rtti.md).
+
+## `JSON_HAS_STD_FORMAT`
+
+When compiling with C++20 and a standard library that provides `<format>`, the library provides a `std::formatter`
+specialization for JSON values. To override the built-in check, define `JSON_HAS_STD_FORMAT` to `1` or `0`.
+
+See [full documentation of `JSON_HAS_STD_FORMAT`](../api/macros/json_has_std_format.md).
+
+## `JSON_HAS_THREE_WAY_COMPARISON`
+
+When the compiler and standard library support 3-way comparison (the spaceship operator `<=>`), the library provides it
+for JSON values. To override the built-in check, define `JSON_HAS_THREE_WAY_COMPARISON` to `1` or `0`.
+
+See [full documentation of `JSON_HAS_THREE_WAY_COMPARISON`](../api/macros/json_has_three_way_comparison.md).
+
 ## `JSON_NOEXCEPTION`
 
 Exceptions can be switched off by defining the symbol `JSON_NOEXCEPTION`.

docs/mkdocs/docs/features/merge_patch.md

@@ -9,6 +9,13 @@ syntax that closely mimics the document being modified. Unlike [JSON Patch](json
 express every kind of change (e.g., it cannot reorder array elements or remove a specific array element), but it is
 easier to read and write for object-shaped documents.
 
+!!! tip "Not a general deep merge"
+
+    A merge patch is not a general deep merge: a `#!json null` value in the patch deletes the key from the target.
+    To merge two objects recursively (e.g., defaults and user settings), use
+    [`update`](../api/basic_json/update.md) with `merge_objects` set to `#!cpp true`; see
+    [Merging objects](modifying_values.md#merging-objects).
+
 ??? example
 
     The following code shows how a JSON Merge Patch is applied to a JSON document.
@@ -28,3 +35,4 @@ easier to read and write for object-shaped documents.
 - [JSON Patch and Diff](json_patch.md) - a more expressive alternative that describes a sequence of operations
 - [JSON Pointer](json_pointer.md) - the addressing scheme used by JSON Patch
 - Function [`merge_patch`](../api/basic_json/merge_patch.md)
+- Function [`update`](../api/basic_json/update.md) - merge objects, optionally recursively

docs/mkdocs/docs/features/modifying_values.md

@@ -35,8 +35,12 @@ the insertion happened — useful for "add if absent" semantics.
 
 ## Merging objects
 
-To merge one object into another, [`update`](../api/basic_json/update.md) copies all members from another object,
-overwriting existing keys (similar to Python's `dict.update`). This is the idiomatic way to combine two objects.
+To merge one object into another, [`update`](../api/basic_json/update.md) copies all members from another object
+(similar to Python's `dict.update`). This is the idiomatic way to combine two objects. It has two modes:
+
+- By default, the merge is shallow: existing keys are overwritten, even if both values are objects.
+- With `merge_objects = #!cpp true`, keys whose values are objects in both JSON values are merged recursively.
+  Everything else is overwritten. In particular, arrays are replaced, not concatenated.
 
 ??? example
 
@@ -50,9 +54,22 @@ overwriting existing keys (similar to Python's `dict.update`). This is the idiom
     --8<-- "examples/update.output"
     ```
 
-For a recursive merge that follows [RFC 7386](https://tools.ietf.org/html/rfc7386), see
-[JSON Merge Patch](merge_patch.md). To apply a sequence of well-defined edit operations, see
-[JSON Patch](json_patch.md).
+A common use of the recursive mode is combining defaults with user settings. Nested defaults that the user did not set
+are kept:
+
+```cpp
+json defaults = {{"log", {{"level", "info"}, {"file", "app.log"}}}, {"retries", 3}};
+json user_settings = {{"log", {{"level", "debug"}}}};
+
+json config = defaults;
+config.update(user_settings, true);
+// {"log":{"file":"app.log","level":"debug"},"retries":3}
+```
+
+[JSON Merge Patch](merge_patch.md) ([RFC 7386](https://tools.ietf.org/html/rfc7386)) also merges objects recursively,
+but it is a different tool: a `#!json null` in the patch means "remove this key". It is meant for applying merge patch
+documents (e.g., received via HTTP PATCH). To merge configuration-like objects, use `#!cpp update(..., true)`. To apply
+a sequence of well-defined edit operations, see [JSON Patch](json_patch.md).
 
 ## Removing elements
 
@@ -72,6 +89,7 @@ a.erase(1);             // [1,3,4]  (erase by index)
 
 - [`push_back`](../api/basic_json/push_back.md) / [`emplace_back`](../api/basic_json/emplace_back.md) - append to an array
 - [`emplace`](../api/basic_json/emplace.md) - insert into an object if the key is absent
-- [`update`](../api/basic_json/update.md) - merge objects
+- [`update`](../api/basic_json/update.md) - merge objects (shallow, or recursive with `merge_objects`)
+- [`merge_patch`](../api/basic_json/merge_patch.md) - apply an RFC 7386 merge patch
 - [`erase`](../api/basic_json/erase.md) / [`clear`](../api/basic_json/clear.md) - remove elements
 - [JSON Patch and Diff](json_patch.md) and [JSON Merge Patch](merge_patch.md) - structured modifications

docs/mkdocs/docs/features/namespace.md

@@ -101,3 +101,9 @@ follows:
 
 - Introduced inline namespace (`json_v3_11_0[_abi-tag]*`) in version 3.11.0.
 - Changed structure of inline namespace in version 3.11.2.
+- Added ABI tag `_dp` ([`JSON_DIAGNOSTIC_POSITIONS`](../api/macros/json_diagnostic_positions.md)) in version 3.12.0.
+- Added ABI tags `_bics` ([`JSON_BRACE_INIT_COPY_SEMANTICS`](../api/macros/json_brace_init_copy_semantics.md)), `_psp`
+  ([`JSON_PRECISE_STREAM_POSITION`](../api/macros/json_precise_stream_position.md)), `_snul`
+  ([`JSON_STRICT_NUL_HANDLING`](../api/macros/json_strict_nul_handling.md)), `_sbu8`
+  ([`JSON_STRICT_BINARY_UTF8`](../api/macros/json_strict_binary_utf8.md)), and `_ekmo`
+  ([`JSON_USE_OBJECTS_FOR_ENUM_KEYED_MAPS`](../api/macros/json_use_objects_for_enum_keyed_maps.md)) in version 3.13.0.

docs/mkdocs/docs/features/parsing/error_recovery.md

@@ -0,0 +1,122 @@
+# Error Recovery
+
+By default, parsing stops at the first error. With the [SAX interface](sax_interface.md), you can instead ask the
+parser to *recover*: to repair the error and continue, so that you get as much as possible out of malformed input, for
+instance a file that was cut off, JSON edited by hand, or the output of a language model.
+
+## Recovering from errors
+
+The SAX parser's [`parse_error`](../../api/json_sax/parse_error.md) function is called for every error. Its return value
+decides what happens next:
+
+- `#!cpp false` stops parsing. This is what the SAX parsers of the library do, so [`parse`](../../api/basic_json/parse.md)
+  and [`accept`](../../api/basic_json/accept.md) never recover.
+- `#!cpp true` repairs the error and continues parsing.
+
+When recovering, the SAX parser still receives well-formed events: every `start_object` or `start_array` is followed by
+the matching `end_object` or `end_array`, and every `key` is followed by exactly one value. A SAX parser that creates a
+JSON value, such as the one in the example below, therefore gets a complete value. Parsing always ends, and
+[`sax_parse`](../../api/basic_json/sax_parse.md) returns `#!cpp false` for input that is not valid JSON, even if every
+error was repaired. Each token is reported at most once, and the SAX parser can stop at any error by returning
+`#!cpp false`.
+
+!!! example
+
+    The example below derives a SAX parser from the library's parser for `json` values (`json_sax_dom_parser`),
+    and recovers from all errors.
+
+    ```cpp
+    --8<-- "examples/sax_parse__error_recovery.cpp"
+    ```
+    
+    Output:
+    
+    ```
+    --8<-- "examples/sax_parse__error_recovery.output"
+    ```
+
+## How errors are repaired
+
+Each error is repaired with the smallest local edit: a missing separator is inserted, a stray token is removed, what can
+be read of a broken string or number is kept, and a value that cannot be read at all becomes `#!json null`.
+
+| Mistake                   | Repair                                                                         | Example                                  | Result                     |
+|---------------------------|--------------------------------------------------------------------------------|------------------------------------------|----------------------------|
+| missing `,` or `:`        | inserted                                                                       | `#!json [1 2]`, `#!json {"a" 1}`         | `[1,2]`, `{"a":1}`         |
+| missing value             | `#!json null` for an object key or between commas in an array                  | `#!json {"a":}`, `#!json [1,,2]`         | `{"a":null}`, `[1,null,2]` |
+| trailing comma            | removed                                                                        | `#!json [1,2,]`                          | `[1,2]`                    |
+| broken string             | invalid escapes and bytes are replaced (see below); a line break ends the string | `#!json ["a\qb"]`                        | `["aqb"]`                  |
+| broken number             | the longest valid beginning is kept                                            | `#!json [1., 2e+]`                       | `[1,2]`                    |
+| unreadable value          | `#!json null`                                                                  | `#!json [1, NaN, tru]`                   | `[1,null,null]`            |
+| number too large          | passed as infinity, together with its text                                     | `#!json [1e999]`                         | infinity (see below)       |
+| stray `:`                 | removed                                                                        | `#!json ["a":1]`                         | `["a",1]`                  |
+| member without a key      | skipped up to the next `,` or `}`                                              | `#!json {1:2, "b":3}`                    | `{"b":3}`                  |
+| wrong closing bracket     | closes the innermost array or object                                           | `#!json {"a":[1,2}, "b":3}`              | `{"a":[1,2],"b":3}`        |
+| input ends too early      | all open arrays and objects are closed                                         | `#!json {"a":[1,2`                       | `{"a":[1,2]}`              |
+| text before the value     | skipped                                                                        | `#!json )]}'{"a":1}`                     | `{"a":1}`                  |
+
+In a string, an unknown escape like `\q` stands for the escaped character (`q`), as in JavaScript. An invalid `\u`
+escape, a lone surrogate, and ill-formed UTF-8 are each replaced by U+FFFD (REPLACEMENT CHARACTER), and control
+characters are kept. A string without its closing quote ends at the next line break or at the end of the input.
+
+The input after the top-level value is not repaired: as without recovery, it is reported as an error, and parsing stops.
+
+## Binary formats
+
+The binary formats ([BJData](../binary_formats/bjdata.md), [BON8](../binary_formats/bon8.md),
+[BSON](../binary_formats/bson.md), [CBOR](../binary_formats/cbor.md), [MessagePack](../binary_formats/messagepack.md),
+and [UBJSON](../binary_formats/ubjson.md)) have no delimiters to find the next value by. So what can be repaired depends
+on whether the end of the item with the error is known, a distinction that
+[RFC 8949, Section 5.3](https://www.rfc-editor.org/rfc/rfc8949.html#section-5.3) makes for CBOR, too.
+
+If the item is complete, but cannot be passed on as it is, it is replaced, and parsing continues after it:
+
+| Mistake                                                             | Formats                 | Repair                                                                  |
+|---------------------------------------------------------------------|-------------------------|-------------------------------------------------------------------------|
+| tag, if `tag_handler` is `cbor_tag_handler_t::error` (the default)  | CBOR                    | ignored                                                                 |
+| simple value other than `false`, `true`, and `null`, like undefined | CBOR                    | `#!json null`                                                           |
+| number too large for a custom `number_float_t`, like `float`        | all                     | infinity                                                                |
+| character (`C`) that is not ASCII                                   | BJData, UBJSON          | U+FFFD                                                                  |
+| invalid high-precision number (`H`)                                 | BJData, UBJSON          | the longest valid beginning is kept, as for JSON text, or `#!json null` |
+| high-precision number too large                                     | BJData, UBJSON          | passed as infinity, together with its text                              |
+| object key that is not a string                                     | BON8, CBOR, MessagePack | the member is skipped                                                   |
+| element of a type the library does not read, like ObjectId or date  | BSON                    | `#!json null`                                                           |
+| string without its terminator                                       | BSON                    | kept                                                                    |
+| document whose size does not match its content                      | BSON                    | kept                                                                    |
+
+CBOR tags and simple values are repaired as [RFC 8949, Section 6.1](https://www.rfc-editor.org/rfc/rfc8949.html#section-6.1)
+suggests for converting CBOR to JSON. By default, [`sax_parse`](../../api/basic_json/sax_parse.md) reports every tag as
+an error; when recovering, tags are then ignored like with
+[`cbor_tag_handler_t::ignore`](../../api/basic_json/cbor_tag_handler_t.md). Strings that are not valid UTF-8 are no
+error: like [`from_cbor`](../../api/basic_json/from_cbor.md) and the other functions by default, `sax_parse` passes
+them on as they are.
+
+After any other error, the end of the item is unknown: the input ended, a byte is not a valid type marker, or a size
+cannot be right. Parsing then stops, and the value read so far is completed: a key that waits for its value gets
+`#!json null`, and all open arrays and objects are closed. This keeps everything before the error of an input that was
+cut off. The exception is BSON, which stores the size of every document: an element whose end is unknown gets
+`#!json null`, the rest of its document is skipped, and parsing continues after the document.
+
+## Limitations
+
+- A repair is a guess. For example, `#!json {"a" "b": 1}` could be meant as `#!json {"a": "b"}` or as
+  `#!json {"a": null, "b": 1}`; it is repaired to the former. Treat recovered values as a best effort, and check the
+  reported errors.
+- A closing bracket always closes the innermost array or object. If a bracket is missing rather than wrong, the
+  repair differs from the intention: `#!json {"a": {"b": [1, 2}, "c": 3}` is repaired to
+  `#!json {"a": {"b": [1, 2], "c": 3}}`, although `#!json {"a": {"b": [1, 2]}, "c": 3}` may have been meant.
+- Keys without quotes, and strings in single quotes, are not supported; such members are skipped.
+- In the binary formats, a member that is skipped because its key is not a string is lost, and so are the elements of a
+  BSON document after one whose end is unknown.
+- A number that is too large for `number_float_t` is passed as positive or negative infinity. The SAX parser's
+  `number_float` also gets the number's text, but a JSON value cannot store it, and
+  [`dump`](../../api/basic_json/dump.md) serializes infinity as `#!json null`.
+- When parsing is not strict (see [`sax_parse`](../../api/basic_json/sax_parse.md)), a repair may read parts of the
+  input after the value, for instance of the next value in a stream of concatenated values.
+
+## See also
+
+- [SAX interface](sax_interface.md) - implement a custom SAX handler
+- [`parse_error`](../../api/json_sax/parse_error.md) - the SAX event for parse errors
+- [`sax_parse`](../../api/basic_json/sax_parse.md) - generate SAX events
+- [parsing and exceptions](parse_exceptions.md) - control error handling

docs/mkdocs/docs/features/parsing/index.md

@@ -75,7 +75,7 @@ You can influence a DOM parse without switching to the SAX interface by passing
 When the input is not valid JSON, the `parse` function throws an exception by default. If exceptions are undesired or
 unavailable, the parser can instead return a discarded value, or [`accept`](../../api/basic_json/accept.md) can be used
 to only check whether an input is valid JSON. See [parsing and exceptions](parse_exceptions.md) for the available
-options.
+options. To get as much as possible out of malformed input, a SAX parser can [recover from errors](error_recovery.md).
 
 ## See also
 
@@ -86,4 +86,5 @@ options.
 - [parser callbacks](parser_callbacks.md) - influence the parsing by a callback function
 - [SAX interface](sax_interface.md) - implement a custom SAX handler
 - [parsing and exceptions](parse_exceptions.md) - control error handling
+- [error recovery](error_recovery.md) - get as much as possible out of malformed input
 - [parsing untrusted input](untrusted_input.md) - what to consider when parsing input from untrusted sources

docs/mkdocs/docs/features/parsing/parse_exceptions.md

@@ -64,7 +64,8 @@ bool parse_error(std::size_t position,
                  const json::exception& ex);
 ```
 
-The return value indicates whether the parsing should continue, so the function should usually return `#!cpp false`.
+The return value decides whether to stop parsing (`#!cpp false`) or to repair the error and continue
+(`#!cpp true`); see [error recovery](error_recovery.md) for the latter.
 
 ??? example "Example: report parse errors without exceptions"
 

docs/mkdocs/docs/features/parsing/sax_interface.md

@@ -60,7 +60,8 @@ bool key(string_t& val);
 bool parse_error(std::size_t position, const std::string& last_token, const json::exception& ex);
 ```
 
-The return value of each function determines whether parsing should proceed.
+The return value of each function determines whether parsing should proceed. For `parse_error`, returning
+`#!cpp true` [recovers from the error](error_recovery.md).
 
 To implement your own SAX handler, proceed as follows:
 
@@ -68,7 +69,7 @@ To implement your own SAX handler, proceed as follows:
 2. Create an object of your SAX interface class, e.g. `my_sax`.
 3. Call `#!cpp bool json::sax_parse(input, &my_sax);` where the first parameter can be any input like a string or an input stream and the second parameter is a pointer to your SAX interface.
 
-Note the `sax_parse` function only returns a `#!cpp bool` indicating the result of the last executed SAX event. It does not return `json` value - it is up to you to decide what to do with the SAX events. Furthermore, no exceptions are thrown in case of a parse error - it is up to you what to do with the exception object passed to your `parse_error` implementation. Internally, the SAX interface is used for the DOM parser (class `json_sax_dom_parser`) as well as the acceptor (`json_sax_acceptor`), see file `json_sax.hpp`.
+Note the `sax_parse` function only returns a `#!cpp bool` indicating whether the input was parsed without errors and no SAX event returned `#!cpp false`. It does not return `json` value - it is up to you to decide what to do with the SAX events. Furthermore, no exceptions are thrown in case of a parse error - it is up to you what to do with the exception object passed to your `parse_error` implementation. Internally, the SAX interface is used for the DOM parser (class `json_sax_dom_parser`) as well as the acceptor (`json_sax_acceptor`), see file `json_sax.hpp`.
 
 ## See also
 

docs/mkdocs/docs/features/types/number_handling.md

@@ -351,9 +351,8 @@ The number types can be changed with template parameters.
 
     A `basic_json` type that uses `#!c long double` as floating-point type.
 
-    ```cpp hl_lines="2"
-    using json_ld = nlohmann::basic_json<std::map, std::vector, std::string, bool,
-                                         std::int64_t, std::uint64_t, long double>;
+    ```cpp hl_lines="1"
+    using json_ld = nlohmann::json::with_float_t<long double>;
     ```
 
     Note values should then be parsed with `json_ld::parse` rather than `json::parse` as the latter would parse

docs/mkdocs/docs/features/types/template_parameters.md

@@ -8,6 +8,10 @@ these requirements so they do not have to be discovered by trial and error. Each
 that are known to work for that parameter and the ones that do not, checked against Boost 1.83, Abseil 20250127.0,
 Folly, EASTL 3.21, `ankerl::unordered_dense`, `phmap`, `gtl`, `robin_hood`, `tsl::ordered_map`, and Qt 6.
 
+To change a single template parameter and keep the others, use the member alias templates
+[`with_*_t`](../../api/basic_json/with_t.md); for instance, `nlohmann::json::with_float_t<long double>` is `json` with
+`#!cpp long double` as [`number_float_t`](../../api/basic_json/number_float_t.md).
+
 ## How to read this page
 
 Requirements are split into two groups:
@@ -143,7 +147,7 @@ struct unordered_map_object
     using base_t::base_t;
 };
 
-using unordered_json = nlohmann::basic_json<unordered_map_object>;
+using unordered_json = nlohmann::json::with_object_t<unordered_map_object>;
 ```
 
 Whether `#!cpp std::unordered_map` can be instantiated at all depends on the standard library: `object_t` is formed
@@ -176,7 +180,7 @@ struct flat_hash_object
     using base_t::base_t;
 };
 
-using flat_hash_json = nlohmann::basic_json<flat_hash_object>;
+using flat_hash_json = nlohmann::json::with_object_t<flat_hash_object>;
 ```
 
 `absl::node_hash_map` keeps references to the mapped values valid across insertions; `absl::flat_hash_map` does not,

docs/mkdocs/docs/home/architecture.md

@@ -34,7 +34,7 @@ flowchart LR
 
 - **JSON text** is read by an [input adapter](#input-adapters), tokenized by the lexer, and turned into SAX events by
   the parser.
-- **Binary formats** (BJData, BSON, CBOR, MessagePack, UBJSON) are read by an input adapter and turned into the same SAX
+- **Binary formats** (BJData, BON8, BSON, CBOR, MessagePack, UBJSON) are read by an input adapter and turned into the same SAX
   events by the `binary_reader`.
 - A [SAX consumer](#sax-interface) receives the events. The one used by [`parse`](../api/basic_json/parse.md) builds a
   `basic_json` value tree.

docs/mkdocs/docs/home/design_goals.md

@@ -6,7 +6,7 @@ There are myriads of [JSON](https://json.org) libraries out there, and each may
 
 - **Trivial integration**. Our whole code consists of a single header file [`json.hpp`](https://github.com/nlohmann/json/blob/develop/single_include/nlohmann/json.hpp). That's it. No library, no subproject, no dependencies, no complex build system. The class is written in vanilla C++11. All in all, everything should require no adjustment of your compiler flags or project settings.
 
-- **Serious testing**. Our class is heavily [unit-tested](https://github.com/nlohmann/json/tree/develop/tests/src) and covers [100%](https://coveralls.io/r/nlohmann/json) of the code, including all exceptional behavior. Furthermore, we checked with [Valgrind](http://valgrind.org) and the [Clang Sanitizers](https://clang.llvm.org/docs/index.html) that there are no memory leaks. [Google OSS-Fuzz](https://github.com/google/oss-fuzz/tree/master/projects/json) additionally runs fuzz tests against all parsers 24/7, effectively executing billions of tests so far. To maintain high quality, the project is following the [OpenSSF Best Practices](https://www.bestpractices.dev/projects/289).
+- **Serious testing**. Our class is heavily [unit-tested](https://github.com/nlohmann/json/tree/develop/tests/src) and covers [100%](https://coveralls.io/r/nlohmann/json) of the code, including all exceptional behavior. Furthermore, we checked with [Valgrind](https://valgrind.org) and the [Clang Sanitizers](https://clang.llvm.org/docs/index.html) that there are no memory leaks. [Google OSS-Fuzz](https://github.com/google/oss-fuzz/tree/master/projects/json) additionally runs fuzz tests against all parsers 24/7, effectively executing billions of tests so far. To maintain high quality, the project is following the [OpenSSF Best Practices](https://www.bestpractices.dev/projects/289).
 
 Other aspects were not so important to us:
 
@@ -14,4 +14,4 @@ Other aspects were not so important to us:
 
 - **Speed**. There are certainly [faster JSON libraries](https://github.com/miloyip/nativejson-benchmark#parsing-time) out there. However, if your goal is to speed up your development by adding JSON support with a single header, then this library is the way to go. If you know how to use a `std::vector` or `std::map`, you are already set.
 
-See the [contribution guidelines](https://github.com/nlohmann/json/blob/master/.github/CONTRIBUTING.md#please-dont) for more information.
+See the [contribution guidelines](https://github.com/nlohmann/json/blob/develop/.github/CONTRIBUTING.md#please-dont) for more information.

docs/mkdocs/docs/home/exceptions.md

@@ -104,7 +104,7 @@ See [documentation of `JSON_DIAGNOSTICS`](../api/macros/json_diagnostics.md) for
 ## Parse errors
 
 The library throws this exception when a parse error occurs. Parse errors
-can occur during the deserialization of JSON text, CBOR, MessagePack, as well
+can occur during the deserialization of JSON text or of one of the binary formats (BJData, BON8, BSON, CBOR, MessagePack, UBJSON), as well
 as when using JSON Patch.
 
 Exceptions have ids 1xx.
@@ -190,7 +190,7 @@ This error indicates a syntax error while deserializing a JSON text. The error m
 !!! tip
 
     - Make sure the input is correctly read. Try to write the input to standard output to check if, for instance, the input file was successfully opened.
-    - Paste the input to a JSON validator like <http://jsonlint.com> or a tool like [jq](https://stedolan.github.io/jq/).
+    - Paste the input to a JSON validator like <https://jsonlint.com> or a tool like [jq](https://jqlang.github.io/jq/).
 
 ### json.exception.parse_error.102
 
@@ -278,7 +278,9 @@ In a JSON Pointer, only `~0` and `~1` are valid escape sequences.
 
 ### json.exception.parse_error.109
 
-A JSON Pointer array index must be a number.
+A JSON Pointer array index must be a number. This exception is thrown for an array index that does not begin with a
+digit, except for `-` and the empty reference token, which throw [`out_of_range.404`](#jsonexceptionout_of_range404)
+where they cannot be resolved.
 
 !!! failure "Example messages"
 
@@ -289,6 +291,11 @@ A JSON Pointer array index must be a number.
     [json.exception.parse_error.109] parse error: array index '+1' is not a number
     ```
 
+!!! note
+
+    Before version 3.13.0, a one-character array index that is not a digit (e.g., `x`) threw
+    [`out_of_range.404`](#jsonexceptionout_of_range404) instead.
+
 ### json.exception.parse_error.110
 
 When parsing a [binary format](../features/binary_formats/index.md), the byte vector ends before the complete value has
@@ -810,7 +817,7 @@ does not list an enumerator and it is therefore converted like the first listed
 A discarded value (one created by [`parse()`](../api/basic_json/parse.md) with a callback that returns `false` for the
 value, or by default-constructing a [`basic_json`](../api/basic_json/index.md) with
 [`value_t::discarded`](../api/basic_json/value_t.md)) was passed to a binary serialization function, either directly or
-nested in an array or object. There is no way to represent a discarded value in CBOR, MessagePack, UBJSON, BJData, or BSON.
+nested in an array or object. There is no way to represent a discarded value in CBOR, MessagePack, UBJSON, BJData, BSON, or BON8.
 
 !!! failure "Example message"
 
@@ -871,7 +878,8 @@ The provided key was not found in the JSON object.
 
 ### json.exception.out_of_range.404
 
-A reference token in a JSON Pointer could not be resolved.
+A reference token in a JSON Pointer could not be resolved, for instance an array index that begins with a digit but
+contains other characters (e.g., `1a`), or `-` where it cannot be used.
 
 !!! failure "Example message"
 

docs/mkdocs/docs/home/releases.md

@@ -26,7 +26,7 @@ Fixes bugs found in 3.11.3 and adds several features. All changes are backward-c
   [BJData](../features/binary_formats/bjdata.md) draft 3 and unsigned 64-bit integers for
   [BSON](../features/binary_formats/bson.md).
 - Adds multidimensional C-array conversion and UTF-8 encoded `std::filesystem::path` conversions, and
-  lowers the minimum [CMake](../integration/cmake.md) version to allow CMake 4.0.
+  raises the minimum [CMake](../integration/cmake.md) version to 3.5 and supports CMake 4.0.
 
 [Full release notes](https://github.com/nlohmann/json/releases/tag/v3.12.0).
 

docs/mkdocs/docs/integration/hunter/CMakeLists.txt

@@ -2,8 +2,8 @@ cmake_minimum_required(VERSION 3.15)
 
 include("cmake/HunterGate.cmake")
 HunterGate(
-    URL "https://github.com/cpp-pm/hunter/archive/v0.23.297.tar.gz"
-    SHA1 "3319fe6a3b08090df7df98dee75134d68e2ef5a3"
+    URL "https://github.com/cpp-pm/hunter/archive/v0.26.12.tar.gz"
+    SHA1 "6498c5d0dec25d7fffb2b0574ebaf265179b894d"
 )
 
 project(json_example)

docs/mkdocs/docs/integration/migration_guide.md

@@ -116,7 +116,7 @@ function to use instead.
     === "Deprecated"
   
           ```cpp
-          using my_json = nlohmann::basic_json<std::map, std::vector, my_string_type>;
+          using my_json = nlohmann::json::with_string_t<my_string_type>;
           nlohmann::json_pointer<my_json> ptr("/foo/bar/1");
           ```
   

docs/mkdocs/hooks/copy_markdown_source.py

@@ -2,12 +2,30 @@
 
 # Creates a `<path>.md` sibling of each HTML output (for example,
 # `features/comments/` becomes `features/comments.md`) so agents and tools can
-# fetch the raw Markdown directly instead of parsing rendered HTML.
+# fetch the raw Markdown directly instead of parsing rendered HTML. The
+# `--8<-- "path"` lines of pymdownx.snippets are expanded with the extension's
+# own preprocessor and the settings from mkdocs.yml, so the copies contain the
+# included example code and files instead of the include directives.
 
+import io
 import os
-import shutil
+
+import markdown
+from pymdownx.snippets import SnippetMissingError
 
 _pages = []
+_snippets = None
+
+
+def on_config(config):
+    global _snippets
+    md = markdown.Markdown(
+        extensions=["pymdownx.snippets"],
+        extension_configs={"pymdownx.snippets": config["mdx_configs"].get("pymdownx.snippets", {})},
+    )
+    _snippets = md.preprocessors["snippet"]
+    _snippets.auto_append = []  # the glossary is only needed to render abbreviations
+    return config
 
 
 def on_files(files, config):
@@ -22,4 +40,11 @@ def on_post_build(config):
         url = file.url.rstrip("/")
         target = os.path.join(site_dir, (url or "index") + ".md")
         os.makedirs(os.path.dirname(target), exist_ok=True)
-        shutil.copyfile(file.abs_src_path, target)
+        with io.open(file.abs_src_path, encoding="utf-8", newline="") as source:
+            text = source.read()
+        try:
+            text = "\n".join(_snippets.run(text.split("\n")))
+        except (SnippetMissingError, OSError):
+            pass  # keep the include directives; the regular build reports the missing file
+        with io.open(target, "w", encoding="utf-8", newline="") as copy:
+            copy.write(text)

docs/mkdocs/includes/glossary.md

@@ -1,7 +1,7 @@
 <!-- https://squidfunk.github.io/mkdocs-material/reference/tooltips/#adding-a-glossary -->
 
 *[ADL]: Argument-dependent lookup
-*[API]: Application Programming Interfaces
+*[API]: Application Programming Interface
 *[ASCII]: American Standard Code for Information Interchange
 *[BDFL]: Benevolent Dictator for Life
 *[BJData]: Binary JData

docs/mkdocs/mkdocs.yml

@@ -88,6 +88,7 @@ nav:
       - features/performance.md
       - Parsing:
           - features/parsing/index.md
+          - features/parsing/error_recovery.md
           - features/parsing/json_lines.md
           - features/parsing/parse_exceptions.md
           - features/parsing/parser_callbacks.md
@@ -299,6 +300,7 @@ nav:
           - 'JSON_DISABLE_TUPLE_REFERENCE_CONVERSION': api/macros/json_disable_tuple_reference_conversion.md
           - 'JSON_HAS_CPP_11, JSON_HAS_CPP_14, JSON_HAS_CPP_17, JSON_HAS_CPP_20, JSON_HAS_CPP_23, JSON_HAS_CPP_26': api/macros/json_has_cpp_11.md
           - 'JSON_HAS_EXPERIMENTAL_FILESYSTEM, JSON_HAS_FILESYSTEM': api/macros/json_has_filesystem.md
+          - 'JSON_HAS_RANGE_VIEW_CONVERSION': api/macros/json_has_range_view_conversion.md
           - 'JSON_HAS_RANGES': api/macros/json_has_ranges.md
           - 'JSON_HAS_STATIC_RTTI': api/macros/json_has_static_rtti.md
           - 'JSON_HAS_STD_FORMAT': api/macros/json_has_std_format.md

docs/mkdocs/scripts/check_structure.py

@@ -288,36 +288,6 @@ def check_header_links() -> None:
                                f'link to "{match.group(0)}" does not point to a documentation page')
 
 
-def check_docset() -> None:
-    """Every API page and every macro has an entry in the docset index; no entry points to a missing page."""
-    entry_re = re.compile(r"VALUES \('((?:[^']|'')*)', '(\w+)', '([^']*)'\);")
-    names_by_path = {}
-    with open("../../docset/docSet.sql", encoding="utf-8") as sql:
-        for name, _, path in entry_re.findall(sql.read()):
-            names_by_path.setdefault(path, set()).add(name.replace("''", "'"))
-
-    def to_path(page):
-        if os.path.basename(page) == "index.md":
-            return page[:-len("index.md")] + "index.html"
-        return page[:-len(".md")] + "/index.html"
-
-    pages = sorted(glob.glob("**/*.md", recursive=True))
-    for path in sorted(set(names_by_path) - {to_path(p) for p in pages}):
-        report("docset/stale_entry", "../../docset/docSet.sql", f'entry "{path}" has no documentation page')
-    for page in (p for p in pages if p.startswith("api/")):
-        names = names_by_path.get(to_path(page))
-        if not names:
-            report("docset/missing_entry", page, "page has no entry in docs/docset/docSet.sql")
-        elif page.startswith("api/macros/") and os.path.basename(page) != "index.md":
-            with open(page, encoding="utf-8") as content:
-                text = content.read()
-            match = re.search(r"^# (.+)$", text, re.MULTILINE) or re.search(r"<h1>(.*?)</h1>", text, re.DOTALL)
-            title = re.sub(r"<[^>]+>|\s+", " ", match.group(1))
-            for macro in filter(None, (x.strip() for x in re.split(r"[,/]", title))):
-                if macro not in names:
-                    report("docset/missing_macro", page, f'macro "{macro}" has no entry in docs/docset/docSet.sql')
-
-
 if __name__ == "__main__":
     print(120 * "-")
     check_structure()
@@ -327,7 +297,6 @@ if __name__ == "__main__":
     check_heading_levels()
     check_image_alt_text()
     check_header_links()
-    check_docset()
     print(120 * "-")
 
     if warnings > 0:

include/nlohmann/detail/bit_ops.hpp

@@ -9,12 +9,15 @@
 #pragma once
 
 #include <cstdint> // uint64_t
+#if !defined(__SIZEOF_INT128__) && defined(_MSC_VER) && (defined(_M_X64) || defined(_M_ARM64))
+    #include <intrin0.h> // __umulh, _umul128
+#endif
 
 #include <nlohmann/detail/abi_macros.hpp>
 
 // Portable bit-level helpers for the number and string scanners. They use
-// compiler builtins where available and plain C++ otherwise, so they need no
-// platform headers and work regardless of byte order.
+// compiler builtins or platform-specific intrinsics where available and plain
+// C++ otherwise, so they work regardless of byte order.
 
 NLOHMANN_JSON_NAMESPACE_BEGIN
 namespace detail
@@ -52,6 +55,12 @@ inline uint128_parts full_multiplication(std::uint64_t a, std::uint64_t b) noexc
     __extension__ using uint128 = unsigned __int128;
     const uint128 r = static_cast<uint128>(a) * b;
     return {static_cast<std::uint64_t>(r), static_cast<std::uint64_t>(r >> 64u)};
+#elif defined(_MSC_VER) && defined(_M_X64)
+    std::uint64_t high = 0;
+    const std::uint64_t low = _umul128(a, b, &high);
+    return {low, high};
+#elif defined(_MSC_VER) && defined(_M_ARM64)
+    return {a * b, __umulh(a, b)};
 #else
     const std::uint64_t a_lo = a & 0xFFFFFFFFu;
     const std::uint64_t a_hi = a >> 32u;

include/nlohmann/detail/conversions/from_json.hpp

@@ -48,7 +48,7 @@ inline void from_json(const BasicJsonType& j, typename std::nullptr_t& n)
 {
     if (JSON_HEDLEY_UNLIKELY(!j.is_null()))
     {
-        JSON_THROW(type_error::create(302, concat("type must be null, but is ", j.type_name()), &j));
+        throw_type_must_be("null", j);
     }
     n = nullptr;
 }
@@ -102,7 +102,7 @@ void get_arithmetic_value(const BasicJsonType& j, ArithmeticType& val)
         case value_t::binary:
         case value_t::discarded:
         default:
-            JSON_THROW(type_error::create(302, concat("type must be number, but is ", j.type_name()), &j));
+            throw_type_must_be("number", j);
     }
 }
 
@@ -111,7 +111,7 @@ inline void from_json(const BasicJsonType& j, typename BasicJsonType::boolean_t&
 {
     if (JSON_HEDLEY_UNLIKELY(!j.is_boolean()))
     {
-        JSON_THROW(type_error::create(302, concat("type must be boolean, but is ", j.type_name()), &j));
+        throw_type_must_be("boolean", j);
     }
     b = *j.template get_ptr<const typename BasicJsonType::boolean_t*>();
 }
@@ -121,7 +121,7 @@ inline void from_json(const BasicJsonType& j, typename BasicJsonType::string_t&
 {
     if (JSON_HEDLEY_UNLIKELY(!j.is_string()))
     {
-        JSON_THROW(type_error::create(302, concat("type must be string, but is ", j.type_name()), &j));
+        throw_type_must_be("string", j);
     }
     s = *j.template get_ptr<const typename BasicJsonType::string_t*>();
 }
@@ -137,7 +137,7 @@ inline void from_json(const BasicJsonType& j, StringType& s)
 {
     if (JSON_HEDLEY_UNLIKELY(!j.is_string()))
     {
-        JSON_THROW(type_error::create(302, concat("type must be string, but is ", j.type_name()), &j));
+        throw_type_must_be("string", j);
     }
 
     s = *j.template get_ptr<const typename BasicJsonType::string_t*>();
@@ -183,7 +183,7 @@ inline void from_json(const BasicJsonType& j, std::forward_list<T, Allocator>& l
 {
     if (JSON_HEDLEY_UNLIKELY(!j.is_array()))
     {
-        JSON_THROW(type_error::create(302, concat("type must be array, but is ", j.type_name()), &j));
+        throw_type_must_be("array", j);
     }
     l.clear();
     std::transform(j.rbegin(), j.rend(),
@@ -200,7 +200,7 @@ inline void from_json(const BasicJsonType& j, std::valarray<T>& l)
 {
     if (JSON_HEDLEY_UNLIKELY(!j.is_array()))
     {
-        JSON_THROW(type_error::create(302, concat("type must be array, but is ", j.type_name()), &j));
+        throw_type_must_be("array", j);
     }
     l.resize(j.size());
     std::transform(j.begin(), j.end(), std::begin(l),
@@ -305,7 +305,7 @@ void())
 {
     if (JSON_HEDLEY_UNLIKELY(!j.is_array()))
     {
-        JSON_THROW(type_error::create(302, concat("type must be array, but is ", j.type_name()), &j));
+        throw_type_must_be("array", j);
     }
 
     from_json_array_impl(j, arr, priority_tag<3> {});
@@ -324,7 +324,7 @@ auto from_json(const BasicJsonType& j, identity_tag<std::array<T, N>> tag)
 {
     if (JSON_HEDLEY_UNLIKELY(!j.is_array()))
     {
-        JSON_THROW(type_error::create(302, concat("type must be array, but is ", j.type_name()), &j));
+        throw_type_must_be("array", j);
     }
 
     return from_json_inplace_array_impl(j, tag, make_index_sequence<N> {});
@@ -335,7 +335,7 @@ inline void from_json(const BasicJsonType& j, typename BasicJsonType::binary_t&
 {
     if (JSON_HEDLEY_UNLIKELY(!j.is_binary()))
     {
-        JSON_THROW(type_error::create(302, concat("type must be binary, but is ", j.type_name()), &j));
+        throw_type_must_be("binary", j);
     }
 
     bin = *j.template get_ptr<const typename BasicJsonType::binary_t*>();
@@ -356,7 +356,7 @@ inline void from_json(const BasicJsonType& j, CompatibleArrayType& bin)
     }
     else
     {
-        JSON_THROW(type_error::create(302, concat("type must be binary or array, but is ", j.type_name()), &j));
+        throw_type_must_be("binary or array", j);
     }
 }
 
@@ -377,7 +377,7 @@ inline void from_json(const BasicJsonType& j, ConstructibleObjectType& obj)
 {
     if (JSON_HEDLEY_UNLIKELY(!j.is_object()))
     {
-        JSON_THROW(type_error::create(302, concat("type must be object, but is ", j.type_name()), &j));
+        throw_type_must_be("object", j);
     }
 
     ConstructibleObjectType ret;
@@ -432,7 +432,7 @@ inline void from_json(const BasicJsonType& j, ArithmeticType& val)
         case value_t::binary:
         case value_t::discarded:
         default:
-            JSON_THROW(type_error::create(302, concat("type must be number, but is ", j.type_name()), &j));
+            throw_type_must_be("number", j);
     }
 }
 
@@ -504,7 +504,7 @@ auto from_json(const BasicJsonType& j, TupleRelated&& t)
 {
     if (JSON_HEDLEY_UNLIKELY(!j.is_array()))
     {
-        JSON_THROW(type_error::create(302, concat("type must be array, but is ", j.type_name()), &j));
+        throw_type_must_be("array", j);
     }
 
     return from_json_tuple_impl(j, std::forward<TupleRelated>(t), priority_tag<3> {});
@@ -517,14 +517,14 @@ void from_json_pair_array_to_map(const BasicJsonType& j, MapType& m)
 {
     if (JSON_HEDLEY_UNLIKELY(!j.is_array()))
     {
-        JSON_THROW(type_error::create(302, concat("type must be array, but is ", j.type_name()), &j));
+        throw_type_must_be("array", j);
     }
     m.clear();
     for (const auto& p : j)
     {
         if (JSON_HEDLEY_UNLIKELY(!p.is_array()))
         {
-            JSON_THROW(type_error::create(302, concat("type must be array, but is ", p.type_name()), &p));
+            throw_type_must_be("array", p);
         }
         m.emplace(p.at(0).template get<typename MapType::key_type>(), p.at(1).template get<typename MapType::mapped_type>());
     }
@@ -591,7 +591,7 @@ inline void from_json(const BasicJsonType& j, std_fs::path& p)
 {
     if (JSON_HEDLEY_UNLIKELY(!j.is_string()))
     {
-        JSON_THROW(type_error::create(302, concat("type must be string, but is ", j.type_name()), &j));
+        throw_type_must_be("string", j);
     }
     const auto& s = *j.template get_ptr<const typename BasicJsonType::string_t*>();
     // Checking for C++20 standard or later can be insufficient in case the

include/nlohmann/detail/conversions/to_json.hpp

@@ -414,13 +414,13 @@ inline void to_json(BasicJsonType& j, const EnumKeyedMap& map)
         BasicJsonType key = p.first;
         if (JSON_HEDLEY_UNLIKELY(!key.is_string()))
         {
-            JSON_THROW(type_error::create(302, concat("type must be string, but is ", key.type_name()), &key));
+            throw_type_must_be("string", key);
         }
 
         auto& key_string = *key.template get_ptr<typename BasicJsonType::string_t*>();
         if (JSON_HEDLEY_UNLIKELY(!obj.emplace(key_string, BasicJsonType(p.second)).second))
         {
-            JSON_THROW(type_error::create(318, concat("duplicate object key '", key_string, "'"), &key));
+            JSON_THROW(type_error::create(exception_id::enum_key_duplicate, concat("duplicate object key '", key_string, "'"), &key));
         }
     }
     external_constructor<value_t::object>::construct(j, std::move(obj));