static basic_json meta();
This function returns a JSON object with information about the library, including the version number and information on the platform and compiler.
JSON object holding version information
| key | description |
|---|---|
compiler | Information on the used compiler. It is an object with the following keys: c++ (the used C++ standard), family (the compiler family; possible values are clang, icc, gcc, ilecpp, msvc, pgcpp, sunpro, and unknown), and version (the compiler version). |
copyright | The copyright line for the library as string. |
name | The name of the library as string. |
platform | The used platform as string. Possible values are win32, linux, apple, unix, and unknown. |
url | The URL of the project as string. |
version | The version of the library. It is an object with the following keys: major, minor, and patch as defined by Semantic Versioning, and string (the version string). |
Strong guarantee: if an exception is thrown, there are no changes to any JSON value.
Constant.
The following code shows an example output of the meta() function.
--8<-- "examples/meta.cpp"
Output:
--8<-- "examples/meta.output"