: public __is_member_object_pointer_helper<__remove_cv_t<_Tp>>::type
{ };
+#if _GLIBCXX_USE_BUILTIN_TRAIT(__is_member_function_pointer)
+ /// is_member_function_pointer
+ template<typename _Tp>
+ struct is_member_function_pointer
+ : public __bool_constant<__is_member_function_pointer(_Tp)>
+ { };
+#else
template<typename>
struct __is_member_function_pointer_helper
: public false_type { };
struct is_member_function_pointer
: public __is_member_function_pointer_helper<__remove_cv_t<_Tp>>::type
{ };
+#endif
/// is_enum
template<typename _Tp>
template <typename _Tp>
inline constexpr bool is_member_object_pointer_v =
is_member_object_pointer<_Tp>::value;
+
+#if _GLIBCXX_USE_BUILTIN_TRAIT(__is_member_function_pointer)
+template <typename _Tp>
+ inline constexpr bool is_member_function_pointer_v =
+ __is_member_function_pointer(_Tp);
+#else
template <typename _Tp>
inline constexpr bool is_member_function_pointer_v =
is_member_function_pointer<_Tp>::value;
+#endif
+
template <typename _Tp>
inline constexpr bool is_enum_v = __is_enum(_Tp);
template <typename _Tp>