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 
25 namespace chrono
26 {
27 
28 struct local_t {};
29 template<class _Duration>
30 using local_time  = time_point<local_t, _Duration>;
31 using local_seconds = local_time<seconds>;
32 using local_days    = local_time<days>;
33 
34 struct last_spec { explicit last_spec() = default; };
35 inline constexpr last_spec last{};
36 
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