GCC10 ships with a native C++20 span implementation. However, enabling UUID_USING_CXX20_SPAN in combination with GCC10 and the experimental c++20 support causes a compilation error. This is due to GCC10 sets the __cplusplus to a value strictly greater than 201703L but not to 202002L.
GCC10 ships with a native C++20 span implementation. However, enabling UUID_USING_CXX20_SPAN in combination with GCC10 and the experimental c++20 support causes a compilation error. This is due to GCC10 sets the __cplusplus to a value strictly greater than 201703L but not to 202002L.
Fixes #80