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Author SHA1 Message Date
Niels LohmannandClaude Sonnet 5.5 cdbd969fe4 Throw out_of_range.411 for JSON Patch add into a null parent (#5917)
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01MKJf48vnGtTE25KscmjfaW
Signed-off-by: Niels Lohmann <niels.lohmann@gmail.com>
2026-10-25 13:22:10 +00:00
Niels Lohmann 2a56afc714 Fix VS 2015 build of the DOM parser (#5882) (#5916)
- Name std::hash only once the object type has emplace_new_key: VS 2015
  static-asserts on std::hash of a type without one (alt_string) instead of
  reporting a substitution failure (C2338).
- Replace the std::copy calls on frames by loops: VS 2015 reports raw
  pointers handed to std::copy as C4996, an error under /WX.

Signed-off-by: Niels Lohmann <mail@nlohmann.me>
2026-10-25 12:08:58 +01:00
Niels Lohmann d176d8d61e Exclude single_include from flawfinder scan (#5912)
Signed-off-by: Niels Lohmann <mail@nlohmann.me>
2026-10-25 12:08:36 +01:00
Niels Lohmann 1cf5492bcd docs: byte layout sections, glossary entries, and QA page update (#5910)
* docs: byte layout sections, glossary, and QA page updates

- Move "Byte layout" of each binary format to its own section before
  "Serialization" and describe the idea of the format.
- Glossary: add LLDB and other terms used throughout the documentation.
- quality_assurance: correct Clang Static Analyzer and CMake entries; add
  CodeQL, Semgrep, Flawfinder, CIFuzz, OpenSSF Scorecard, REUSE, Meson/SwiftPM,
  and reproducibility checks.

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

* docs: drop unused length colour from CBOR and MessagePack byte layout legends

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

---------

Signed-off-by: Niels Lohmann <mail@nlohmann.me>
2026-10-25 12:08:14 +01:00
Niels Lohmann 330fbead59 Document clang-tidy exclusions, drop unneeded ones, and clean up doc examples (#5909)
* Document clang-tidy exclusions and drop unneeded ones

Re-enable every excluded check in a run of clang-tidy 22 over all tests
and remove the seven that never fire (cert-err58-cpp,
clang-analyzer-webkit.NoUncountedMemberChecker,
cppcoreguidelines-virtual-class-destructor, google-readability-function-size,
hicpp-function-size, hicpp-no-assembler, readability-function-size).

Document the reason for every remaining exclusion at the top of the file.

Exclude in advance the checks that only exist in clang-tidy 23 and are
noise here (bugprone-signed-bitwise, *-explicit-constructor,
readability-trailing-comma, modernize-use-string-view), plus
modernize-use-integer-sign-comparison, which needs C++20 std::cmp_less
and flags deliberate casts.

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

* Fix clang-tidy findings in documentation examples and replace redundant aliases

Apply clang-tidy fixes to the documentation examples:
- performance-avoid-endl: std::endl -> '\n'
- readability-qualified-auto: auto -> auto* / const auto*
- performance-for-range-copy: copy -> const reference
- google-readability-casting: C-style cast -> static_cast

Replace redundant aliases (readability-redundant-qualified-alias) such as
"using json = nlohmann::json;" with "using nlohmann::json;" in the
documentation, README, examples, tests, and benchmarks. Aliases at class
scope and aliases of other types (with_base_class_t etc.) are kept.

No changes to the library or its public API. All changed examples were
compiled and run; their output matches the stored .output files (except
max_size and meta, which depend on the platform and compiler).

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

* Format doc examples with the pinned astyle

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

---------

Signed-off-by: Niels Lohmann <mail@nlohmann.me>
2026-10-25 12:07:51 +01:00
Niels Lohmann fe231dc692 docs: write std::chrono durations as unit/value objects; reword a title with escaped quotes (#5911)
Signed-off-by: Niels Lohmann <mail@nlohmann.me>
2026-10-25 12:07:32 +01:00
Niels Lohmann ffd4242dc2 Docs: fill documentation gaps found in user questions (#5907)
* Docs: fill documentation gaps found in user questions

Add pages on class-hierarchy/smart-pointer/variant/chrono recipes, working
without exceptions, and large, streamed and partial input. Extend the FAQ
(23 entries, Known bugs first), parse error documentation (empty-input
checklist, line/column, diagnostic positions), element access, conversions,
creating values, ADL troubleshooting, memory, and build/distribution notes.
Add 14 examples with generated output. Correct the statement that parse errors
cannot be recovered from with -fno-exceptions.

The topics come from recurring questions on Stack Overflow, Reddit, Hacker
News, YouTube, and the project's GitHub discussions and issues.

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

* docs: declare range-for lists in variables to keep astyle quiet

astyle reformats a braced init list placed directly in a range-for
header; declare the list first so check_amalgamation passes.

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

---------

Signed-off-by: Niels Lohmann <mail@nlohmann.me>
2026-10-25 12:07:13 +01:00
458 changed files with 2949 additions and 1399 deletions

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+36 -7
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@@ -1,3 +1,33 @@
# Style or vendor rule sets that do not fit a header-only library:
# altera-*, fuchsia-*, llvmlibc-*, android-cloexec-fopen, boost-use-ranges, llvm-header-guard,
# llvm-include-order, llvm-prefer-static-over-anonymous-namespace, llvm-use-ranges,
# misc-use-anonymous-namespace, google-runtime-float, google-runtime-int, hicpp-signed-bitwise,
# bugprone-signed-bitwise, hicpp-explicit-conversions, google-explicit-constructor,
# cppcoreguidelines-explicit-constructor, misc-explicit-constructor (implicit conversions are the
# API), readability-trailing-comma,
# hicpp-avoid-goto / cppcoreguidelines-avoid-goto, hicpp-no-array-decay,
# hicpp-uppercase-literal-suffix, readability-uppercase-literal-suffix, modernize-use-trailing-return-type.
# Constructs the library needs on purpose (the library supports C++11 and legacy compilers):
# cppcoreguidelines-macro-usage, cppcoreguidelines-avoid-do-while (macros),
# cppcoreguidelines-pro-bounds-*, cppcoreguidelines-pro-type-reinterpret-cast,
# cppcoreguidelines-pro-type-union-access (parsers, serializers, basic_json's value union),
# cppcoreguidelines-avoid-const-or-ref-data-members, cppcoreguidelines-rvalue-reference-param-not-moved,
# cppcoreguidelines-avoid-non-const-global-variables, misc-non-private-member-variables-in-classes,
# misc-no-recursion (value walks are recursive, bounded by detail::recursion_depth_limit()),
# modernize-type-traits, modernize-use-constraints, modernize-use-ranges, modernize-use-std-numbers,
# modernize-use-designated-initializers, modernize-use-nodiscard, modernize-concat-nested-namespaces,
# readability-redundant-typename, readability-redundant-parentheses,
# readability-redundant-access-specifiers, readability-simplify-boolean-expr,
# readability-use-concise-preprocessor-directives, modernize-use-string-view,
# modernize-use-integer-sign-comparison (needs std::cmp_less; the flagged
# static_cast<std::size_t>(end - pos) < n comparisons are deliberate)
# (all need a newer standard or compiler than C++11, or would change macro-generated or
# deliberately explicit code).
# Too noisy to be useful (numeric parsing/formatting code, doctest, tests):
# bugprone-easily-swappable-parameters, cppcoreguidelines-avoid-magic-numbers, readability-magic-numbers,
# readability-identifier-length, readability-function-cognitive-complexity, performance-enum-size,
# concurrency-mt-unsafe, misc-confusable-identifiers, misc-include-cleaner (run on its own for
# the consumer headers in cmake/ci.cmake).
# portability-avoid-pragma-once: kept disabled on purpose. #pragma once is accepted
# by every supported compiler, and tools/amalgamate/amalgamate.py strips it from
# single_include, so there is nothing left to fix here.
@@ -10,14 +40,14 @@ Checks: '*,
-android-cloexec-fopen,
-boost-use-ranges,
-bugprone-easily-swappable-parameters,
-cert-err58-cpp,
-clang-analyzer-webkit.NoUncountedMemberChecker,
-bugprone-signed-bitwise,
-concurrency-mt-unsafe,
-cppcoreguidelines-avoid-const-or-ref-data-members,
-cppcoreguidelines-avoid-do-while,
-cppcoreguidelines-avoid-goto,
-cppcoreguidelines-avoid-magic-numbers,
-cppcoreguidelines-avoid-non-const-global-variables,
-cppcoreguidelines-explicit-constructor,
-cppcoreguidelines-macro-usage,
-cppcoreguidelines-pro-bounds-avoid-unchecked-container-access,
-cppcoreguidelines-pro-bounds-array-to-pointer-decay,
@@ -26,19 +56,15 @@ Checks: '*,
-cppcoreguidelines-pro-type-reinterpret-cast,
-cppcoreguidelines-pro-type-union-access,
-cppcoreguidelines-rvalue-reference-param-not-moved,
-cppcoreguidelines-virtual-class-destructor,
-fuchsia-default-arguments-calls,
-fuchsia-default-arguments-declarations,
-fuchsia-overloaded-operator,
-google-explicit-constructor,
-google-readability-function-size,
-google-runtime-float,
-google-runtime-int,
-hicpp-avoid-goto,
-hicpp-explicit-conversions,
-hicpp-function-size,
-hicpp-no-array-decay,
-hicpp-no-assembler,
-hicpp-signed-bitwise,
-hicpp-uppercase-literal-suffix,
-llvm-header-guard,
@@ -48,6 +74,7 @@ Checks: '*,
-llvmlibc-*,
-misc-use-anonymous-namespace,
-misc-confusable-identifiers,
-misc-explicit-constructor,
-misc-include-cleaner,
-misc-no-recursion,
-misc-non-private-member-variables-in-classes,
@@ -55,20 +82,22 @@ Checks: '*,
-modernize-type-traits,
-modernize-use-constraints,
-modernize-use-designated-initializers,
-modernize-use-integer-sign-comparison,
-modernize-use-nodiscard,
-modernize-use-ranges,
-modernize-use-string-view,
-modernize-use-std-numbers,
-modernize-use-trailing-return-type,
-performance-enum-size,
-portability-avoid-pragma-once,
-readability-function-cognitive-complexity,
-readability-function-size,
-readability-identifier-length,
-readability-magic-numbers,
-readability-redundant-access-specifiers,
-readability-redundant-parentheses,
-readability-redundant-typename,
-readability-simplify-boolean-expr,
-readability-trailing-comma,
-readability-uppercase-literal-suffix,
-readability-use-concise-preprocessor-directives'
+2 -1
View File
@@ -43,7 +43,8 @@ jobs:
- name: flawfinder_scan
uses: david-a-wheeler/flawfinder@c4216b74cf2639ffa98503768bd6e4299b5440c9 # v2.0.20
with:
arguments: '--sarif ./'
# single_include/ is omitted: it is generated from include/ and would report every finding twice
arguments: '--sarif ./cmake ./docs ./include ./src ./tests ./tools'
output: 'flawfinder_results.sarif'
- name: Upload analysis results to GitHub Security tab
-1
View File
@@ -90,7 +90,6 @@ cc_library(
"include/nlohmann/detail/view/simd.hpp",
"include/nlohmann/detail/view/string_ref.hpp",
"include/nlohmann/detail/view/value.hpp",
"include/nlohmann/detail/view/view_mode.hpp",
"include/nlohmann/json.hpp",
"include/nlohmann/json_fwd.hpp",
"include/nlohmann/json_literals.hpp",
+4 -4
View File
@@ -151,7 +151,7 @@ The `json` class provides an API for manipulating a JSON value. To create a `jso
```cpp
#include <fstream>
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
// ...
@@ -164,7 +164,7 @@ If using modules (enabled with `NLOHMANN_JSON_BUILD_MODULES`), this example beco
import std;
import nlohmann.json;
using json = nlohmann::json;
using nlohmann::json;
// ...
@@ -842,7 +842,7 @@ assert(p == p2);
To make this work with one of your types, you only need to provide two functions:
```cpp
using json = nlohmann::json;
using nlohmann::json;
namespace ns {
void to_json(json& j, const person& p) {
@@ -1257,7 +1257,7 @@ See the page [quality assurance](https://json.nlohmann.me/community/quality_assu
#include <nlohmann/json.hpp>
// for convenience
using json = nlohmann::json;
using nlohmann::json;
```
to the files you want to process JSON and set the necessary switches to enable C++11 (e.g., `-std=c++11` for GCC and Clang).
+1 -1
View File
@@ -45,7 +45,7 @@ Constant.
#include <iostream>
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
int main()
{
+1
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@@ -108,6 +108,7 @@ is thrown. In any case, the original value is not changed: the patch is applied
- Added in version 2.0.0.
- Added [`out_of_range.411`](../../home/exceptions.md#jsonexceptionout_of_range411) and stopped relying on an internal assertion when an "add" operation's
target location has a non-object/non-array parent in version 3.13.0.
This includes a `null` parent, which was previously silently converted to an object, in version 3.13.0.
- Added [`out_of_range.413`](../../home/exceptions.md#jsonexceptionout_of_range413) and stopped silently ignoring a "remove" operation whose target
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
@@ -106,6 +106,7 @@ function throws an exception.
- Added in version 3.11.0.
- Added [`out_of_range.411`](../../home/exceptions.md#jsonexceptionout_of_range411) and stopped relying on an internal assertion when an "add" operation's
target location has a non-object/non-array parent in version 3.13.0.
This includes a `null` parent, which was previously silently converted to an object, in version 3.13.0.
- Added [`out_of_range.413`](../../home/exceptions.md#jsonexceptionout_of_range413) and stopped silently ignoring a "remove" operation whose target
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
@@ -12,7 +12,7 @@ void erase(view_type array, I idx);
std::size_t erase(const json_pointer& ptr);
```
Only an **editable** document (`#!cpp view_mode::editable`, e.g. [`json_editable_document`](../json_editable_document.md))
Only an **editable** document (`#!cpp Editable == true`, e.g. [`json_editable_document`](../json_editable_document.md))
has `erase`; calling it on a read-only `basic_json_document` fails to compile (`#!cpp static_assert`).
1. Removes every member of `object` whose key is `key` (see [Notes](#notes) on duplicate keys) and returns how many
@@ -3,7 +3,7 @@
<small>Defined in header `<nlohmann/json_view.hpp>`</small>
```cpp
template<typename BasicJsonType, view_mode Mode = view_mode::read_only>
template<typename BasicJsonType, bool Editable = false>
class basic_json_document;
```
@@ -20,9 +20,9 @@ is move-only: a copy would duplicate the whole index, the decoded-string buffer,
enough in every use we know of. The index, the decoded strings, and the owned text live in one heap block that the
document holds through a `#!cpp std::unique_ptr`; this is also why views survive a move of the document.
With `#!cpp Mode == view_mode::editable`, the document also offers [`set`](set.md), [`push_back`](push_back.md),
With `#!cpp Editable == true`, the document also offers [`set`](set.md), [`push_back`](push_back.md),
[`insert`](insert.md), and [`erase`](erase.md) to change values in place, see [Edits](#edits) below. The source text
itself is never written; a read-only document (`#!cpp view_mode::read_only`, the default) does not carry any of the
itself is never written; a read-only document (`#!cpp Editable == false`, the default) does not carry any of the
bookkeeping edits need, and calling any of them on one fails to compile (`#!cpp static_assert`).
## Template parameters
@@ -32,10 +32,9 @@ bookkeeping edits need, and calling any of them on one fails to compile (`#!cpp
[`ordered_json`](../ordered_json.md). Only 64-bit `number_integer_t`/`number_unsigned_t` types are supported; this
is checked with a `static_assert`.
`Mode`
: a [`view_mode`](../view_mode.md): `#!cpp view_mode::editable` if the document supports [`set`](set.md),
[`push_back`](push_back.md), [`insert`](insert.md), and [`erase`](erase.md) (optional, `#!cpp view_mode::read_only`
by default). See [Edits](#edits) below.
`Editable`
: whether the document supports [`set`](set.md), [`push_back`](push_back.md), [`insert`](insert.md), and
[`erase`](erase.md) (optional, `#!cpp false` by default). See [Edits](#edits) below.
## Specializations
@@ -48,7 +47,7 @@ bookkeeping edits need, and calling any of them on one fails to compile (`#!cpp
## Member types
- **view_type** - the type of view returned by [`root()`](root.md) (`#!cpp basic_json_view<BasicJsonType, Mode>`)
- **view_type** - the type of view returned by [`root()`](root.md) (`#!cpp basic_json_view<BasicJsonType, Editable>`)
- **value_t** - the JSON type enumeration, see [`basic_json::value_t`](../basic_json/value_t.md)
- **image_check** - how [`load()`](load.md) validates an image (`full`, `bounds`, `none`), see [`image_check`](load.md#image_check)
@@ -81,15 +80,15 @@ bookkeeping edits need, and calling any of them on one fails to compile (`#!cpp
### Edits
- [**set**](set.md) - replace a value, or set an object member, an array element, or the value a JSON pointer refers
to (editable documents only)
- [**push_back**](push_back.md) - append to an array (editable documents only)
- [**insert**](insert.md) - insert an element into an array before a given position (editable documents only)
to (`#!cpp Editable` documents only)
- [**push_back**](push_back.md) - append to an array (`#!cpp Editable` documents only)
- [**insert**](insert.md) - insert an element into an array before a given position (`#!cpp Editable` documents only)
- [**erase**](erase.md) - remove an object member, an array element, or the value a JSON pointer refers to
(editable documents only)
(`#!cpp Editable` documents only)
## Edits
An editable document (`#!cpp view_mode::editable`) can be changed after parsing, with [`set`](set.md),
An editable document (`#!cpp Editable == true`) can be changed after parsing, with [`set`](set.md),
[`push_back`](push_back.md), [`insert`](insert.md), and [`erase`](erase.md);
[`json_editable_document`](../json_editable_document.md) and
[`ordered_json_editable_document`](../ordered_json_editable_document.md) are the corresponding specializations. A few
@@ -5,7 +5,7 @@ template<typename I, typename V>
view_type insert(view_type array, I idx, V&& value);
```
Only an **editable** document (`#!cpp view_mode::editable`, e.g. [`json_editable_document`](../json_editable_document.md))
Only an **editable** document (`#!cpp Editable == true`, e.g. [`json_editable_document`](../json_editable_document.md))
has `insert`; calling it on a read-only `basic_json_document` fails to compile (`#!cpp static_assert`).
Inserts `value` into `array` as a new element before position `idx`, which must not be past the end
@@ -13,7 +13,7 @@ editable, and it does not have to be `array`'s own document -- which is copied s
source document afterward; a `BasicJsonType` value; or anything `BasicJsonType` can be constructed from (numbers,
strings, `#!cpp bool`, `#!cpp nullptr`, containers, ...).
Only an **editable** document (`#!cpp view_mode::editable`, e.g. [`json_editable_document`](../json_editable_document.md))
Only an **editable** document (`#!cpp Editable == true`, e.g. [`json_editable_document`](../json_editable_document.md))
has `push_back`; calling it on a read-only `basic_json_document` fails to compile (`#!cpp static_assert`).
## Template parameters
@@ -12,7 +12,7 @@ An edited document is written in its *current* state, with its values in documen
parser would have produced them for that JSON text: a member [`set`](set.md) added goes at the end, an
[`erase`](erase.md)d member leaves no trace, and a float that is not finite (NaN or positive/negative infinity)
becomes null, the same substitution [`dump()`](../basic_json_view/dump.md) makes. The same document always saves to
the same bytes -- also across `BasicJsonType` and the [`view_mode`](../view_mode.md), since the image reflects document order and
the same bytes -- also across `BasicJsonType` and `#!cpp Editable`, since the image reflects document order and
values only, not which specialization produced them.
## Return value
@@ -18,7 +18,7 @@ template<typename V>
view_type set(const json_pointer& ptr, V&& value);
```
Only an **editable** document (`#!cpp view_mode::editable`, e.g. [`json_editable_document`](../json_editable_document.md))
Only an **editable** document (`#!cpp Editable == true`, e.g. [`json_editable_document`](../json_editable_document.md))
has `set`; calling it on a read-only `basic_json_document` fails to compile (`#!cpp static_assert`).
1. Replaces the value `target` refers to with `value`.
@@ -3,7 +3,7 @@
<small>Defined in header `<nlohmann/json_view.hpp>`</small>
```cpp
template<typename BasicJsonType, view_mode Mode = view_mode::read_only>
template<typename BasicJsonType, bool Editable = false>
class basic_json_view;
```
@@ -37,7 +37,7 @@ Moving the document itself does not invalidate its views: the index is heap-allo
`#!cpp operator ValueType()`), and no `#!cpp get_ptr()` or `#!cpp get_ref()`; see [`get`](get.md).
`basic_json_view` itself is always read-only -- it never has a `set` or `push_back` of its own. A view of an
**editable** document (`#!cpp view_mode::editable`) sees every edit made through
**editable** document (`#!cpp Editable == true`) sees every edit made through
[`basic_json_document::set`](../basic_json_document/set.md) and
[`basic_json_document::push_back`](../basic_json_document/push_back.md): once a value is changed, every view that
still refers to it -- including ones taken before the change -- reads the new value. See
@@ -49,10 +49,9 @@ still refers to it -- including ones taken before the change -- reads the new va
: a specialization of [`basic_json`](../basic_json/index.md), matching the
[`basic_json_document`](../basic_json_document/index.md) the view was taken from.
`Mode`
: a [`view_mode`](../view_mode.md): whether the view is of an editable document, matching the
[`basic_json_document`](../basic_json_document/index.md) it was taken from (optional, `#!cpp view_mode::read_only` by
default). See [Edits](../basic_json_document/index.md#edits).
`Editable`
: whether the view is of an editable document, matching the [`basic_json_document`](../basic_json_document/index.md)
it was taken from (optional, `#!cpp false` by default). See [Edits](../basic_json_document/index.md#edits).
## Specializations
+1 -1
View File
@@ -3,7 +3,7 @@
<small>Defined in header `<nlohmann/json_view.hpp>`</small>
```cpp
using json_document = basic_json_document<json, view_mode::read_only>;
using json_document = basic_json_document<json>;
```
This type is a [`basic_json_document`](basic_json_document/index.md) of the default [`json`](json.md)
@@ -3,7 +3,7 @@
<small>Defined in header `<nlohmann/json_view.hpp>`</small>
```cpp
using json_editable_document = basic_json_document<json, view_mode::editable>;
using json_editable_document = basic_json_document<json, true>;
```
This type is an **editable** [`basic_json_document`](basic_json_document/index.md) of the default
+1 -1
View File
@@ -3,7 +3,7 @@
<small>Defined in header `<nlohmann/json_view.hpp>`</small>
```cpp
using json_editable_view = basic_json_view<json, view_mode::editable>;
using json_editable_view = basic_json_view<json, true>;
```
This type is a [`basic_json_view`](basic_json_view/index.md) of a value of a
+1 -1
View File
@@ -3,7 +3,7 @@
<small>Defined in header `<nlohmann/json_view.hpp>`</small>
```cpp
using json_view = basic_json_view<json, view_mode::read_only>;
using json_view = basic_json_view<json>;
```
This type is a [`basic_json_view`](basic_json_view/index.md) of a value of a [`json_document`](json_document.md).
+2 -2
View File
@@ -38,7 +38,7 @@ Therefore, assertions can be switched off by defining `NDEBUG`.
```cpp
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
int main()
{
@@ -64,7 +64,7 @@ Therefore, assertions can be switched off by defining `NDEBUG`.
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
int main()
{
@@ -79,7 +79,7 @@ The default value is `0` (disabled — existing behavior is preserved).
```cpp
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
int main()
{
@@ -98,7 +98,7 @@ The default value is `0` (disabled — existing behavior is preserved).
#define JSON_BRACE_INIT_COPY_SEMANTICS 1
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
int main()
{
@@ -54,7 +54,7 @@ The default value is `0` (disabled, the deprecated functions can still be called
```cpp
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
int main()
{
@@ -72,7 +72,7 @@ The default value is `0` (disabled, the deprecated functions can still be called
#define JSON_DELETE_DEPRECATED_FUNCTIONS 1
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
int main()
{
@@ -39,7 +39,7 @@ The default value is `0`.
#define JSON_DISABLE_ENUM_SERIALIZATION 1
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
enum class Choice
{
@@ -66,7 +66,7 @@ The default value is `0`.
#define JSON_DISABLE_ENUM_SERIALIZATION 1
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
enum class Choice
{
@@ -99,7 +99,7 @@ The default value is `0`.
#define JSON_DISABLE_ENUM_SERIALIZATION 1
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
enum class Choice
{
@@ -92,7 +92,7 @@ The default value is `0`: streams are scanned in bulk.
#include <sstream>
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
int main()
{
@@ -115,7 +115,7 @@ The default value is `0`: streams are scanned in bulk.
#include <sstream>
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
int main()
{
@@ -72,7 +72,7 @@ The default value is `0` (disabled — existing behavior is preserved).
```cpp
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
int main()
{
@@ -89,7 +89,7 @@ The default value is `0` (disabled — existing behavior is preserved).
#define JSON_DISABLE_TUPLE_REFERENCE_CONVERSION 1
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
int main()
{
@@ -73,7 +73,7 @@ The default value is `0`: the file is locked once and read with the unlocked std
#include <cstdio>
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
int main()
{
@@ -92,7 +92,7 @@ The default value is `0`: the file is locked once and read with the unlocked std
#include <cstdio>
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
int main()
{
+1 -1
View File
@@ -61,7 +61,7 @@ By default, `#!cpp JSON_NO_SIMD` is not defined, and vector instructions are use
#include <iostream>
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
int main()
{
@@ -94,7 +94,7 @@ The default value is `0` (disabled — existing behavior is preserved).
#include <sstream>
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
int main()
{
@@ -115,7 +115,7 @@ The default value is `0` (disabled — existing behavior is preserved).
#include <sstream>
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
int main()
{
@@ -64,7 +64,7 @@ The default value is `0` (disabled, the behavior of version 3.12.0 and earlier i
```cpp
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
int main()
{
@@ -81,7 +81,7 @@ The default value is `0` (disabled, the behavior of version 3.12.0 and earlier i
#define JSON_STRICT_BINARY_UTF8 1
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
int main()
{
@@ -92,7 +92,7 @@ The default value is `0` (disabled — existing behavior is preserved).
```cpp
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
int main()
{
@@ -109,7 +109,7 @@ The default value is `0` (disabled — existing behavior is preserved).
#define JSON_STRICT_NUL_HANDLING 1
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
int main()
{
@@ -77,7 +77,7 @@ The default value is `0` (disabled — existing behavior is preserved).
#include <map>
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
enum TaskState { TS_STOPPED, TS_RUNNING, TS_COMPLETED };
@@ -105,7 +105,7 @@ The default value is `0` (disabled — existing behavior is preserved).
#include <map>
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
enum TaskState { TS_STOPPED, TS_RUNNING, TS_COMPLETED };
@@ -3,7 +3,7 @@
<small>Defined in header `<nlohmann/json_view.hpp>`</small>
```cpp
using ordered_json_document = basic_json_document<ordered_json, view_mode::read_only>;
using ordered_json_document = basic_json_document<ordered_json>;
```
This type is a [`basic_json_document`](basic_json_document/index.md) of the [`ordered_json`](ordered_json.md)
@@ -3,7 +3,7 @@
<small>Defined in header `<nlohmann/json_view.hpp>`</small>
```cpp
using ordered_json_editable_document = basic_json_document<ordered_json, view_mode::editable>;
using ordered_json_editable_document = basic_json_document<ordered_json, true>;
```
This type is an **editable** [`basic_json_document`](basic_json_document/index.md) of the
@@ -3,7 +3,7 @@
<small>Defined in header `<nlohmann/json_view.hpp>`</small>
```cpp
using ordered_json_editable_view = basic_json_view<ordered_json, view_mode::editable>;
using ordered_json_editable_view = basic_json_view<ordered_json, true>;
```
This type is a [`basic_json_view`](basic_json_view/index.md) of a value of an
+1 -1
View File
@@ -3,7 +3,7 @@
<small>Defined in header `<nlohmann/json_view.hpp>`</small>
```cpp
using ordered_json_view = basic_json_view<ordered_json, view_mode::read_only>;
using ordered_json_view = basic_json_view<ordered_json>;
```
This type is a [`basic_json_view`](basic_json_view/index.md) of a value of an
-80
View File
@@ -1,80 +0,0 @@
# <small>nlohmann::</small>view_mode
<small>Defined in header `<nlohmann/json_view.hpp>`</small>
```cpp
enum class view_mode : std::uint8_t
{
read_only,
editable
};
```
The second template parameter of [`basic_json_document`](basic_json_document/index.md) and
[`basic_json_view`](basic_json_view/index.md): whether a document can be changed after parsing, and whether a view is
of such a document.
`read_only`
: the default: the document is parsed once and then only read. It carries none of the bookkeeping edits need, and
calling [`set`](basic_json_document/set.md), [`push_back`](basic_json_document/push_back.md),
[`insert`](basic_json_document/insert.md), or [`erase`](basic_json_document/erase.md) on it fails to compile.
`editable`
: the document also offers [`set`](basic_json_document/set.md), [`push_back`](basic_json_document/push_back.md),
[`insert`](basic_json_document/insert.md), and [`erase`](basic_json_document/erase.md); its views see every edit,
see [Edits](basic_json_document/index.md#edits).
The shortcuts name both modes: [`json_document`](json_document.md) and [`json_view`](json_view.md) are read-only,
[`json_editable_document`](json_editable_document.md) and [`json_editable_view`](json_editable_view.md) are editable
(and likewise for `ordered_json`).
## Notes
The mode is a compile-time property of the document's and the view's type, not a setting of a call, and there is no conversion between the two modes: a read-only view reads a
container in place, while a view of an editable document follows the links that edits leave behind. A function that
accepts views therefore names the modes it accepts in its signature:
```cpp
// views of editable documents only
template<typename BasicJsonType>
void f(basic_json_view<BasicJsonType, view_mode::editable> v);
// views of read-only documents only
template<typename BasicJsonType>
void f(basic_json_view<BasicJsonType, view_mode::read_only> v);
// either
template<typename BasicJsonType, view_mode Mode>
void f(basic_json_view<BasicJsonType, Mode> v);
```
A function that takes a [`json_view`](json_view.md) accepts neither an [`ordered_json_view`](ordered_json_view.md)
nor a [`json_editable_view`](json_editable_view.md). Views of the two modes still compare with
[`operator==`](basic_json_view/operator_eq.md).
## Examples
??? example
The example below shows a function template that accepts the views of both modes, and one that accepts only
views of editable documents.
```cpp
--8<-- "examples/view_mode.cpp"
```
Output:
```
--8<-- "examples/view_mode.output"
```
## See also
- [basic_json_document](basic_json_document/index.md) - a parsed JSON text
- [basic_json_view](basic_json_view/index.md) - a handle to one value of a document
- [json_editable_document](json_editable_document.md) - an editable document of `json`
## Version history
Added in version 3.13.0.
@@ -188,10 +188,13 @@ Note: Some modern features (like C++20 ranges or filesystem support) may be disa
```
- [x] The code is checked with the latest [Cppcheck](https://cppcheck.sourceforge.io) with all warnings enabled.
- [x] The code is checked with the latest [Clang Static Analyzer](https://clang-analyzer.llvm.org) with 89 enabled
rules.
- [x] The code is checked with the latest [Clang Static Analyzer](https://clang-analyzer.llvm.org) with 52 enabled
checkers.
- [x] The code is checked with [Infer](https://fbinfer.com).
- [x] The code is checked with [Codacy](https://app.codacy.com/gh/nlohmann/json/dashboard).
- [x] The code is scanned with [CodeQL](https://codeql.github.com), [Semgrep](https://semgrep.dev), and
[Flawfinder](https://dwheeler.com/flawfinder/) on every push and pull request and on a schedule; the findings are
reported to GitHub's code scanning.
## Dynamic analysis
@@ -204,6 +207,8 @@ Note: Some modern features (like C++20 ranges or filesystem support) may be disa
- [x] The test suite is executed with [Valgrind](https://valgrind.org) (Memcheck) to detect memory leaks.
- [x] The test suite is executed with [Sanitizers](https://github.com/google/sanitizers) (address sanitizer, undefined
behavior sanitizer, integer overflow detection, nullability violations).
- [x] The fuzz targets are run with [CIFuzz](https://google.github.io/oss-fuzz/getting-started/continuous-integration/)
on every pull request to catch regressions before they are merged.
## Dependencies
@@ -223,6 +228,8 @@ Note: Some modern features (like C++20 ranges or filesystem support) may be disa
No release is made while such an alert is open.
- [x] Third-party code included in the repository for testing, such as [doctest](https://github.com/doctest/doctest),
is updated manually.
- [x] The repository is evaluated with the [OpenSSF Scorecard](https://securityscorecards.dev) on a schedule and on
every push to the default branch, and the results are reported to GitHub's code scanning.
## Style check
@@ -258,4 +265,21 @@ Note: Some modern features (like C++20 ranges or filesystem support) may be disa
- [x] The library is tested against relevant CMake versions:
- CMake 3.5 (the earliest supported)
- CMake 3.31.6 (the latest 3.x release)
- CMake 4.0.0 (a very recent release)
- CMake 4.0.0 (the first 4.x release)
!!! success "Requirement: Other build systems"
The library can be used with build systems and package managers other than CMake.
- [x] The library can be consumed with [Meson](https://json.nlohmann.me/integration/package_managers/) and the Swift
Package Manager; the installation with Meson and the resolution of `Package.swift` are tested in the CI.
!!! success "Requirement: Reproducible and verifiable builds"
The library can be built and tested without network access or a Git checkout, and its licensing is machine-readable.
- [x] The test suite is executed from an exported source tree without the `.git` directory and with the test data
being available offline.
- [x] The test suite is executed without the tests that change installed files to check that builds are reproducible.
- [x] The repository is checked for compliance with the [REUSE specification](https://reuse.software) so that the
license and copyright of every file is machine-readable.
- [x] The documentation is built with warnings treated as errors, and its links are checked regularly.
+1 -1
View File
@@ -2,7 +2,7 @@
#include <iomanip>
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
int main()
{
@@ -2,7 +2,7 @@
#include <vector>
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
int main()
{
+3 -3
View File
@@ -2,19 +2,19 @@
#include <iomanip>
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
int main()
{
// a valid JSON text
auto valid_text = R"(
const auto* valid_text = R"(
{
"numbers": [1, 2, 3]
}
)";
// an invalid JSON text
auto invalid_text = R"(
const auto* invalid_text = R"(
{
"strings": ["extra", "comma", ]
}
@@ -2,7 +2,7 @@
#include <string>
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
int main()
{
+1 -1
View File
@@ -1,7 +1,7 @@
#include <iostream>
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
int main()
{
+2 -2
View File
@@ -2,9 +2,9 @@
#include <iomanip>
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
int main()
{
std::cout << std::boolalpha << std::is_same<std::vector<json>, json::array_t>::value << std::endl;
std::cout << std::boolalpha << std::is_same<std::vector<json>, json::array_t>::value << '\n';
}
@@ -1,7 +1,7 @@
#include <iostream>
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
using namespace nlohmann::literals;
int main()
@@ -1,7 +1,7 @@
#include <iostream>
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
using namespace nlohmann::literals;
int main()
@@ -3,7 +3,7 @@
#include <nlohmann/json.hpp>
using namespace std::string_view_literals;
using json = nlohmann::json;
using nlohmann::json;
int main()
{
@@ -3,7 +3,7 @@
#include <nlohmann/json.hpp>
using namespace std::string_view_literals;
using json = nlohmann::json;
using nlohmann::json;
int main()
{
@@ -1,7 +1,7 @@
#include <iostream>
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
int main()
{
@@ -1,7 +1,7 @@
#include <iostream>
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
int main()
{
+1 -1
View File
@@ -1,7 +1,7 @@
#include <iostream>
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
int main()
{
@@ -1,7 +1,7 @@
#include <iostream>
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
int main()
{
+1 -1
View File
@@ -1,7 +1,7 @@
#include <iostream>
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
int main()
{
@@ -1,8 +1,8 @@
#include <iostream>
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using ordered_json = nlohmann::ordered_json;
using nlohmann::json;
using nlohmann::ordered_json;
int main()
{
@@ -8,7 +8,7 @@
#include <valarray>
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
int main()
{
@@ -1,7 +1,7 @@
#include <iostream>
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
int main()
{
@@ -1,7 +1,7 @@
#include <iostream>
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
int main()
{
@@ -1,7 +1,7 @@
#include <iostream>
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
int main()
{
@@ -1,7 +1,7 @@
#include <iostream>
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
int main()
{
@@ -1,7 +1,7 @@
#include <iostream>
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
int main()
{
@@ -1,7 +1,7 @@
#include <iostream>
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
int main()
{
@@ -1,7 +1,7 @@
#include <iostream>
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
int main()
{
@@ -1,7 +1,7 @@
#include <iostream>
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using nlohmann::json;
int main()
{
@@ -2,7 +2,7 @@
#include <nlohmann/json.hpp>
#include <nlohmann/json_view.hpp>
using json_document = nlohmann::json_document;
using nlohmann::json_document;
int main()
{
@@ -2,7 +2,7 @@
#include <utility>
#include <nlohmann/json_view.hpp>
using json_document = nlohmann::json_document;
using nlohmann::json_document;
int main()
{
@@ -1,9 +1,9 @@
#include <iostream>
#include <nlohmann/json_view.hpp>
using json = nlohmann::json;
using json_editable_document = nlohmann::json_editable_document;
using json_editable_view = nlohmann::json_editable_view;
using nlohmann::json;
using nlohmann::json_editable_document;
using nlohmann::json_editable_view;
int main()
{
@@ -1,9 +1,9 @@
#include <iostream>
#include <nlohmann/json_view.hpp>
using json = nlohmann::json;
using json_editable_document = nlohmann::json_editable_document;
using json_editable_view = nlohmann::json_editable_view;
using nlohmann::json;
using nlohmann::json_editable_document;
using nlohmann::json_editable_view;
int main()
{
@@ -1,7 +1,7 @@
#include <iostream>
#include <nlohmann/json_view.hpp>
using json_document = nlohmann::json_document;
using nlohmann::json_document;
int main()
{
@@ -4,8 +4,8 @@
#include <vector>
#include <nlohmann/json_view.hpp>
using json = nlohmann::json;
using json_document = nlohmann::json_document;
using nlohmann::json;
using nlohmann::json_document;
using image_check = json_document::image_check;
int main()
@@ -2,7 +2,7 @@
#include <string>
#include <nlohmann/json_view.hpp>
using json_document = nlohmann::json_document;
using nlohmann::json_document;
int main()
{
@@ -1,7 +1,7 @@
#include <iostream>
#include <nlohmann/json_view.hpp>
using json_document = nlohmann::json_document;
using nlohmann::json_document;
int main()
{
@@ -2,7 +2,7 @@
#include <string>
#include <nlohmann/json_view.hpp>
using json_document = nlohmann::json_document;
using nlohmann::json_document;
int main()
{
@@ -3,7 +3,7 @@
#include <nlohmann/json.hpp>
#include <nlohmann/json_view.hpp>
using json_document = nlohmann::json_document;
using nlohmann::json_document;
int main()
{
@@ -1,7 +1,7 @@
#include <iostream>
#include <nlohmann/json_view.hpp>
using json_document = nlohmann::json_document;
using nlohmann::json_document;
json_document parse_from_temporary_buffer()
{
@@ -2,7 +2,7 @@
#include <vector>
#include <nlohmann/json_view.hpp>
using json_document = nlohmann::json_document;
using nlohmann::json_document;
int main()
{
@@ -1,8 +1,8 @@
#include <iostream>
#include <nlohmann/json_view.hpp>
using json = nlohmann::json;
using json_editable_document = nlohmann::json_editable_document;
using nlohmann::json;
using nlohmann::json_editable_document;
int main()
{
@@ -3,7 +3,7 @@
#include <vector>
#include <nlohmann/json_view.hpp>
using json_document = nlohmann::json_document;
using nlohmann::json_document;
int main()
{
@@ -1,7 +1,7 @@
#include <iostream>
#include <nlohmann/json_view.hpp>
using json_document = nlohmann::json_document;
using nlohmann::json_document;
int main()
{
@@ -4,7 +4,7 @@
#include <vector>
#include <nlohmann/json_view.hpp>
using json_document = nlohmann::json_document;
using nlohmann::json_document;
int main()
{
@@ -1,9 +1,9 @@
#include <iostream>
#include <nlohmann/json_view.hpp>
using json = nlohmann::json;
using json_editable_document = nlohmann::json_editable_document;
using json_editable_view = nlohmann::json_editable_view;
using nlohmann::json;
using nlohmann::json_editable_document;
using nlohmann::json_editable_view;
int main()
{
@@ -3,7 +3,7 @@
#include <string>
#include <nlohmann/json_view.hpp>
using json_document = nlohmann::json_document;
using nlohmann::json_document;
int main()
{
@@ -2,7 +2,7 @@
#include <string>
#include <nlohmann/json_view.hpp>
using json_document = nlohmann::json_document;
using nlohmann::json_document;
int main()
{
@@ -1,8 +1,8 @@
#include <iostream>
#include <nlohmann/json_view.hpp>
using json_document = nlohmann::json_document;
using json_view = nlohmann::json_view;
using nlohmann::json_document;
using nlohmann::json_view;
int main()
{
@@ -1,7 +1,7 @@
#include <iostream>
#include <nlohmann/json_view.hpp>
using json_document = nlohmann::json_document;
using nlohmann::json_document;
using json_pointer = nlohmann::json::json_pointer;
int main()
@@ -1,7 +1,7 @@
#include <iostream>
#include <nlohmann/json_view.hpp>
using json_document = nlohmann::json_document;
using nlohmann::json_document;
int main()
{
@@ -1,7 +1,7 @@
#include <iostream>
#include <nlohmann/json_view.hpp>
using json_document = nlohmann::json_document;
using nlohmann::json_document;
int main()
{
@@ -2,8 +2,8 @@
#include <numeric>
#include <nlohmann/json_view.hpp>
using json_document = nlohmann::json_document;
using json_view = nlohmann::json_view;
using nlohmann::json_document;
using nlohmann::json_view;
int main()
{
@@ -2,8 +2,8 @@
#include <iostream>
#include <nlohmann/json_view.hpp>
using json_document = nlohmann::json_document;
using json_view = nlohmann::json_view;
using nlohmann::json_document;
using nlohmann::json_view;
int main()
{
@@ -1,7 +1,7 @@
#include <iostream>
#include <nlohmann/json_view.hpp>
using json_document = nlohmann::json_document;
using nlohmann::json_document;
int main()
{
@@ -1,7 +1,7 @@
#include <iostream>
#include <nlohmann/json_view.hpp>
using json_document = nlohmann::json_document;
using nlohmann::json_document;
using json_pointer = nlohmann::json::json_pointer;
int main()
@@ -1,7 +1,7 @@
#include <iostream>
#include <nlohmann/json_view.hpp>
using json_document = nlohmann::json_document;
using nlohmann::json_document;
int main()
{
@@ -1,8 +1,8 @@
#include <iostream>
#include <nlohmann/json_view.hpp>
using json_document = nlohmann::json_document;
using json_view = nlohmann::json_view;
using nlohmann::json_document;
using nlohmann::json_view;
int main()
{
@@ -1,7 +1,7 @@
#include <iostream>
#include <nlohmann/json_view.hpp>
using json_document = nlohmann::json_document;
using nlohmann::json_document;
int main()
{
@@ -1,7 +1,7 @@
#include <iostream>
#include <nlohmann/json_view.hpp>
using json_document = nlohmann::json_document;
using nlohmann::json_document;
int main()
{
@@ -1,7 +1,7 @@
#include <iostream>
#include <nlohmann/json_view.hpp>
using json_document = nlohmann::json_document;
using nlohmann::json_document;
int main()
{
@@ -3,8 +3,8 @@
#include <string>
#include <vector>
using json_document = nlohmann::json_document;
using json_view = nlohmann::json_view;
using nlohmann::json_document;
using nlohmann::json_view;
// address has no direct conversion in get<T>(), so get<address>() falls back
// to materialize().get<address>() -- a real nlohmann::json value is built
@@ -2,8 +2,8 @@
#include <nlohmann/json_view.hpp>
#include <string>
using json_document = nlohmann::json_document;
using json_view = nlohmann::json_view;
using nlohmann::json_document;
using nlohmann::json_view;
int main()
{
@@ -2,8 +2,8 @@
#include <nlohmann/json_view.hpp>
#include <string>
using json_document = nlohmann::json_document;
using json_view = nlohmann::json_view;
using nlohmann::json_document;
using nlohmann::json_view;
int main()
{
@@ -1,7 +1,7 @@
#include <iostream>
#include <nlohmann/json_view.hpp>
using json_document = nlohmann::json_document;
using nlohmann::json_document;
int main()
{
@@ -2,7 +2,7 @@
#include <iostream>
#include <nlohmann/json_view.hpp>
using json_document = nlohmann::json_document;
using nlohmann::json_document;
int main()
{
@@ -1,8 +1,8 @@
#include <iostream>
#include <nlohmann/json_view.hpp>
using json_document = nlohmann::json_document;
using json_view = nlohmann::json_view;
using nlohmann::json_document;
using nlohmann::json_view;
int main()
{
@@ -1,8 +1,8 @@
#include <iostream>
#include <nlohmann/json_view.hpp>
using json_document = nlohmann::json_document;
using json_view = nlohmann::json_view;
using nlohmann::json_document;
using nlohmann::json_view;
int main()
{
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