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_COMPOUND_H
10 #define _LIBCPP___TYPE_TRAITS_IS_COMPOUND_H
11 
12 #include <__config>
13 #include <__type_traits/integral_constant.h>
14 #include <__type_traits/is_fundamental.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_compound)
23 
24 template <class _Tp>
25 struct _LIBCPP_TEMPLATE_VIS is_compound : _BoolConstant<__is_compound(_Tp)> {};
26 
27 #  if _LIBCPP_STD_VER >= 17
28 template <class _Tp>
29 inline constexpr bool is_compound_v = __is_compound(_Tp);
30 #  endif
31 
32 #else // __has_builtin(__is_compound)
33 
34 template <class _Tp>
35 struct _LIBCPP_TEMPLATE_VIS is_compound : public integral_constant<bool, !is_fundamental<_Tp>::value> {};
36 
37 #  if _LIBCPP_STD_VER >= 17
38 template <class _Tp>
39 inline constexpr bool is_compound_v = is_compound<_Tp>::value;
40 #  endif
41 
42 #endif // __has_builtin(__is_compound)
43 
44 _LIBCPP_END_NAMESPACE_STD
45 
46 #endif // _LIBCPP___TYPE_TRAITS_IS_COMPOUND_H
47