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