1*06c3fb27SDimitry Andric // -*- C++ -*- 2*06c3fb27SDimitry Andric //===----------------------------------------------------------------------===// 3*06c3fb27SDimitry Andric // 4*06c3fb27SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 5*06c3fb27SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 6*06c3fb27SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 7*06c3fb27SDimitry Andric // 8*06c3fb27SDimitry Andric //===----------------------------------------------------------------------===// 9*06c3fb27SDimitry Andric 10*06c3fb27SDimitry Andric #ifndef _LIBCPP___CHRONO_CONCEPTS_H 11*06c3fb27SDimitry Andric #define _LIBCPP___CHRONO_CONCEPTS_H 12*06c3fb27SDimitry Andric 13*06c3fb27SDimitry Andric #include <__chrono/hh_mm_ss.h> 14*06c3fb27SDimitry Andric #include <__chrono/time_point.h> 15*06c3fb27SDimitry Andric #include <__config> 16*06c3fb27SDimitry Andric #include <__type_traits/is_specialization.h> 17*06c3fb27SDimitry Andric 18*06c3fb27SDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 19*06c3fb27SDimitry Andric # pragma GCC system_header 20*06c3fb27SDimitry Andric #endif 21*06c3fb27SDimitry Andric 22*06c3fb27SDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD 23*06c3fb27SDimitry Andric 24*06c3fb27SDimitry Andric #if _LIBCPP_STD_VER >= 20 25*06c3fb27SDimitry Andric 26*06c3fb27SDimitry Andric template <class _Tp> 27*06c3fb27SDimitry Andric concept __is_hh_mm_ss = __is_specialization_v<_Tp, chrono::hh_mm_ss>; 28*06c3fb27SDimitry Andric 29*06c3fb27SDimitry Andric template <class _Tp> 30*06c3fb27SDimitry Andric concept __is_time_point = __is_specialization_v<_Tp, chrono::time_point>; 31*06c3fb27SDimitry Andric 32*06c3fb27SDimitry Andric #endif // _LIBCPP_STD_VER >= 20 33*06c3fb27SDimitry Andric 34*06c3fb27SDimitry Andric _LIBCPP_END_NAMESPACE_STD 35*06c3fb27SDimitry Andric 36*06c3fb27SDimitry Andric #endif // _LIBCPP___CHRONO_CONCEPTS_H 37