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_HAS_UNIQUE_OBJECT_REPRESENTATION_H
10#define _LIBCPP___TYPE_TRAITS_HAS_UNIQUE_OBJECT_REPRESENTATION_H
11
12#include <__config>
13#include <__type_traits/integral_constant.h>
14#include <__type_traits/remove_all_extents.h>
15#include <__type_traits/remove_cv.h>
16
17#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
18#  pragma GCC system_header
19#endif
20
21_LIBCPP_BEGIN_NAMESPACE_STD
22
23#if _LIBCPP_STD_VER >= 17
24
25template <class _Tp>
26struct _LIBCPP_TEMPLATE_VIS has_unique_object_representations
27    : public integral_constant<bool, __has_unique_object_representations(remove_cv_t<remove_all_extents_t<_Tp>>)> {};
28
29template <class _Tp>
30inline constexpr bool has_unique_object_representations_v = has_unique_object_representations<_Tp>::value;
31
32#endif
33
34_LIBCPP_END_NAMESPACE_STD
35
36#endif // _LIBCPP___TYPE_TRAITS_HAS_UNIQUE_OBJECT_REPRESENTATION_H
37