std::is_union< _Tp > - is_union

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

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

template<typename_Tp>
       struct std::is_union< _Tp >"is_union

       std::is_union< _Tp > - is_union

       #include <type_traits>

       Inherits std::integral_constant<bool,__is_union(_Tp)>.

   PublicTypestypedefintegral_constant< bool, __v > typetypedef bool value_typePublicMemberFunctions
       constexpr operatorvalue_type () const noexcept
       constexpr value_type operator() () const noexcept

   StaticPublicAttributesstatic constexpr bool value