std::default_initializable - [concept.defaultinitializable], concept default_initializable

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

                                                    libstdc++                   std::default_initializable(3cxx)

       template<typename _Tp>
       concept std::default_initializable =  constructible_from<_Tp>
             && requires
             {
               _Tp{};
               (void) ::new _Tp;
             }

       [concept.defaultinitializable], concept default_initializable

       std::default_initializable - [concept.defaultinitializable], concept default_initializable

       #include <concepts>