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nlohmann
41 lines
1.0 KiB
Markdown
41 lines
1.0 KiB
Markdown
# NLOHMANN_JSON_VERSION_MAJOR, NLOHMANN_JSON_VERSION_MINOR, NLOHMANN_JSON_VERSION_PATCH
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```cpp
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#define NLOHMANN_JSON_VERSION_MAJOR /* value */
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#define NLOHMANN_JSON_VERSION_MINOR /* value */
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#define NLOHMANN_JSON_VERSION_PATCH /* value */
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```
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These macros are defined by the library and contain the version numbers according to
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[Semantic Versioning 2.0.0](https://semver.org/spec/v2.0.0.html).
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## Default definition
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The macros are defined according to the current library version.
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## Examples
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??? example
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The example below shows how `NLOHMANN_JSON_VERSION_MAJOR`, `NLOHMANN_JSON_VERSION_MINOR`, and
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`NLOHMANN_JSON_VERSION_PATCH` are defined by the library.
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```cpp
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--8<-- "examples/nlohmann_json_version.cpp"
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```
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Output:
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```json
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--8<-- "examples/nlohmann_json_version.output"
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```
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## See also
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- [meta](../basic_json/meta.md) - returns version information on the library
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- [JSON_SKIP_LIBRARY_VERSION_CHECK](json_skip_library_version_check.md) - skip library version check
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## Version history
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- Added in version 3.1.0.
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