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_ALIGNMENT_OF_H
10#define _LIBCPP___TYPE_TRAITS_ALIGNMENT_OF_H
11
12#include <__config>
13#include <__type_traits/integral_constant.h>
14#include <cstddef>
15
16#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
17#  pragma GCC system_header
18#endif
19
20_LIBCPP_BEGIN_NAMESPACE_STD
21
22template <class _Tp>
23struct _LIBCPP_TEMPLATE_VIS alignment_of : public integral_constant<size_t, _LIBCPP_ALIGNOF(_Tp)> {};
24
25#if _LIBCPP_STD_VER >= 17
26template <class _Tp>
27inline constexpr size_t alignment_of_v = _LIBCPP_ALIGNOF(_Tp);
28#endif
29
30_LIBCPP_END_NAMESPACE_STD
31
32#endif // _LIBCPP___TYPE_TRAITS_ALIGNMENT_OF_H
33