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Niels Lohmann 093505abf1 📡 Document integer type selection, type_name() invalid value, and std::optional get() fix

- number_handling.md: clarify that positive/negative integers select
  unsigned/signed storage based on the leading minus sign (todo 143).
- type_name.md: document the new "invalid" return value for corrupted
  JSON values (todo 145).
- get.md: note that get<std::optional<T>>() was unreachable in every
  configuration prior to 3.13.0 due to an internal macro-guard bug,
  unrelated to JSON_USE_IMPLICIT_CONVERSIONS's actual effect (todo 144).

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

2026-07-09 13:26:14 +02:00

docset

🔫 set version to 3.12.0 (#4727 )

2025-04-11 10:41:14 +02:00

mkdocs

📡 Document integer type selection, type_name() invalid value, and std::optional get() fix

2026-07-09 13:26:14 +02:00

avatars.png

🔫 set version to 3.12.0 (#4727 )

2025-04-11 10:41:14 +02:00

json.gif

🔫 set version to 3.12.0 (#4727 )

2025-04-11 10:41:14 +02:00

Makefile

Clean up and document project files (#4560 )

2025-01-17 06:53:35 +01:00

README.md

docs: improve clarity and formatting in documentation generation section (#5021 )

2025-12-03 00:15:27 +01:00

README.md

Documentation

Generate documentation

Note on documentation: The source files contain links to the online documentation at https://json.nlohmann.me.
This URL provides the most recent documentation and also applies to previous versions. Documentation for deprecated 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):

git clone https://github.com/nlohmann/json.git
cd json
git checkout v3.10.2
make install_venv serve -C docs/mkdocs

Open http://127.0.0.1:8000/ in your browser. Replace any URL in the source code that points to https://json.nlohmann.me with http://127.0.0.1:8000 to view the documentation for the selected tag or commit hash.