__cxx03/__chrono/calendar.h

0001 // -*- C++ -*-
0002 //===----------------------------------------------------------------------===//
0003 //
0004 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0005 // See https://llvm.org/LICENSE.txt for license information.
0006 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0007 //
0008 //===----------------------------------------------------------------------===//
0009
0010 #ifndef _LIBCPP___CXX03___CHRONO_CALENDAR_H
0011 #define _LIBCPP___CXX03___CHRONO_CALENDAR_H
0012
0013 #include <__cxx03/__chrono/duration.h>
0014 #include <__cxx03/__chrono/time_point.h>
0015 #include <__cxx03/__config>
0016
0017 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
0018 #  pragma GCC system_header
0019 #endif
0020
0021 #if _LIBCPP_STD_VER >= 20
0022
0023 _LIBCPP_BEGIN_NAMESPACE_STD
0024
0025 namespace chrono {
0026
0027 struct local_t {};
0028 template <class _Duration>
0029 using local_time    = time_point<local_t, _Duration>;
0030 using local_seconds = local_time<seconds>;
0031 using local_days    = local_time<days>;
0032
0033 struct last_spec {
0034   explicit last_spec() = default;
0035 };
0036 inline constexpr last_spec last{};
0037
0038 } // namespace chrono
0039
0040 _LIBCPP_END_NAMESPACE_STD
0041
0042 #endif // _LIBCPP_STD_VER >= 20
0043
0044 #endif // _LIBCPP___CXX03___CHRONO_CALENDAR_H