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_ADD_VOLATILE_H
10#define _LIBCPP___TYPE_TRAITS_ADD_VOLATILE_H
11
12#include <__config>
13
14#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
15#  pragma GCC system_header
16#endif
17
18_LIBCPP_BEGIN_NAMESPACE_STD
19
20template <class _Tp>
21struct _LIBCPP_TEMPLATE_VIS add_volatile {
22  typedef _LIBCPP_NODEBUG volatile _Tp type;
23};
24
25#if _LIBCPP_STD_VER >= 14
26template <class _Tp>
27using add_volatile_t = typename add_volatile<_Tp>::type;
28#endif
29
30_LIBCPP_END_NAMESPACE_STD
31
32#endif // _LIBCPP___TYPE_TRAITS_ADD_VOLATILE_H
33