add C++20 module
Given that constexpr has evolved substantially it might be a good idea to name the macro PUGIXML_CONSTEXPR11. That would allow e.g. to have functions as constexpr in C++17 mode that could not be constexpr with C++11.
Given that constexpr has evolved substantially it might be a good idea to name the macro PUGIXML_CONSTEXPR11. That would allow e.g. to have functions as constexpr in C++17 mode that could not be constexpr with C++11.
good catch
here's a demo for C++20 module
https://github.com/Arthapz/pugixml_module_test
What's the state on this PR? Any chance it can be discussed further?
(i rebased on master)