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