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_OBJECT_H
10#define _LIBCPP___TYPE_TRAITS_IS_OBJECT_H
11
12#include <__config>
13#include <__type_traits/integral_constant.h>
14#include <__type_traits/is_array.h>
15#include <__type_traits/is_class.h>
16#include <__type_traits/is_scalar.h>
17#include <__type_traits/is_union.h>
18
19#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
20#  pragma GCC system_header
21#endif
22
23_LIBCPP_BEGIN_NAMESPACE_STD
24
25#if __has_builtin(__is_object)
26
27template<class _Tp>
28struct _LIBCPP_TEMPLATE_VIS is_object : _BoolConstant<__is_object(_Tp)> { };
29
30#if _LIBCPP_STD_VER > 14
31template <class _Tp>
32inline constexpr bool is_object_v = __is_object(_Tp);
33#endif
34
35#else // __has_builtin(__is_object)
36
37template <class _Tp> struct _LIBCPP_TEMPLATE_VIS is_object
38    : public integral_constant<bool, is_scalar<_Tp>::value ||
39                                     is_array<_Tp>::value  ||
40                                     is_union<_Tp>::value  ||
41                                     is_class<_Tp>::value  > {};
42
43#if _LIBCPP_STD_VER > 14
44template <class _Tp>
45inline constexpr bool is_object_v = is_object<_Tp>::value;
46#endif
47
48#endif // __has_builtin(__is_object)
49
50_LIBCPP_END_NAMESPACE_STD
51
52#endif // _LIBCPP___TYPE_TRAITS_IS_OBJECT_H
53