std::underlying_type< _Tp > - The underlying type of an enum.

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

                                                    libstdc++                  std::underlying_type<_Tp>(3cxx)

template<typename_Tp>
       struct std::underlying_type< _Tp >"The underlying type of an enum.

       std::underlying_type< _Tp > - The underlying type of an enum.

       #include <type_traits>

       Inherits __underlying_type_impl< _Tp >.