std::is_pointer_interconvertible_base_of< _Base, _Derived > - True if _Derived is standard-layout and has

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                                                    libstdstd::is_pointer_interc...e_of<_Base,_Derived>(3cxx)

template<typename_Base,typename_Derived>
       struct std::is_pointer_interconvertible_base_of< _Base, _Derived >"True if _Derived is standard-layout
       and has a base class of type _Base

       Since
           C++20

       std::is_pointer_interconvertible_base_of< _Base, _Derived > - True if _Derived is standard-layout and has
       a base class of type _Base

       #include <type_traits>

       Inherits std::integral_constant<_Tp,__v>.

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

   StaticPublicAttributesstatic constexpr _Tp value