1// -*- C++ -*-
2//===----------------------------------------------------------------------===//
3//
4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5// See https://llvm.org/LICENSE.txt for license information.
6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7//
8//===----------------------------------------------------------------------===//
9
10#ifndef _LIBCPP___CHRONO_CALENDAR_H
11#define _LIBCPP___CHRONO_CALENDAR_H
12
13#include <__chrono/duration.h>
14#include <__chrono/time_point.h>
15#include <__config>
16
17#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
18# pragma GCC system_header
19#endif
20
21#if _LIBCPP_STD_VER >= 20
22
23_LIBCPP_BEGIN_NAMESPACE_STD
24
25namespace chrono {
26
27struct local_t {};
28template <class _Duration>
29using local_time = time_point<local_t, _Duration>;
30using local_seconds = local_time<seconds>;
31using local_days = local_time<days>;
32
33struct last_spec {
34 explicit last_spec() = default;
35};
36inline constexpr last_spec last{};
37
38} // namespace chrono
39
40_LIBCPP_END_NAMESPACE_STD
41
42#endif // _LIBCPP_STD_VER >= 20
43
44#endif // _LIBCPP___CHRONO_CALENDAR_H
45