1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #ifndef _LIBCPP___TYPE_TRAITS_IS_MEMBER_POINTER_H
10 #define _LIBCPP___TYPE_TRAITS_IS_MEMBER_POINTER_H
11 
12 #include <__config>
13 #include <__type_traits/integral_constant.h>
14 #include <__type_traits/is_member_function_pointer.h>
15 
16 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
17 #  pragma GCC system_header
18 #endif
19 
20 _LIBCPP_BEGIN_NAMESPACE_STD
21 
22 #if __has_builtin(__is_member_pointer)
23 
24 template<class _Tp>
25 struct _LIBCPP_TEMPLATE_VIS is_member_pointer : _BoolConstant<__is_member_pointer(_Tp)> { };
26 
27 #if _LIBCPP_STD_VER > 14
28 template <class _Tp>
29 inline constexpr bool is_member_pointer_v = __is_member_pointer(_Tp);
30 #endif
31 
32 #else // __has_builtin(__is_member_pointer)
33 
34 template <class _Tp> struct _LIBCPP_TEMPLATE_VIS is_member_pointer
35  : public _BoolConstant< __libcpp_is_member_pointer<__remove_cv_t<_Tp> >::__is_member > {};
36 
37 #if _LIBCPP_STD_VER > 14
38 template <class _Tp>
39 inline constexpr bool is_member_pointer_v = is_member_pointer<_Tp>::value;
40 #endif
41 
42 #endif // __has_builtin(__is_member_pointer)
43 
44 _LIBCPP_END_NAMESPACE_STD
45 
46 #endif // _LIBCPP___TYPE_TRAITS_IS_MEMBER_POINTER_H
47