std::same_as - [concept.same], concept same_as

       Generated automatically by Doxygen for libstdc++ from the source code.

                                                    libstdc++                                 std::same_as(3cxx)

       template<typename _Tp, typename _Up>
       concept std::same_as =  __detail::__same_as<_Tp, _Up> && __detail::__same_as<_Up, _Tp>

       [concept.same], concept same_as

       std::same_as - [concept.same], concept same_as

       #include <concepts>