xref: /freebsd-src/contrib/llvm-project/libcxx/include/__chrono/literals.h (revision 06c3fb2749bda94cb5201f81ffdb8fa6c3161b2e)
181ad6265SDimitry Andric // -*- C++ -*-
281ad6265SDimitry Andric //===----------------------------------------------------------------------===//
381ad6265SDimitry Andric //
481ad6265SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
581ad6265SDimitry Andric // See https://llvm.org/LICENSE.txt for license information.
681ad6265SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
781ad6265SDimitry Andric //
881ad6265SDimitry Andric //===----------------------------------------------------------------------===//
981ad6265SDimitry Andric 
1081ad6265SDimitry Andric #ifndef _LIBCPP___CHRONO_LITERALS_H
1181ad6265SDimitry Andric #define _LIBCPP___CHRONO_LITERALS_H
1281ad6265SDimitry Andric 
1381ad6265SDimitry Andric #include <__chrono/day.h>
1481ad6265SDimitry Andric #include <__chrono/year.h>
1581ad6265SDimitry Andric #include <__config>
1681ad6265SDimitry Andric 
1781ad6265SDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
1881ad6265SDimitry Andric #  pragma GCC system_header
1981ad6265SDimitry Andric #endif
2081ad6265SDimitry Andric 
21*06c3fb27SDimitry Andric #if _LIBCPP_STD_VER >= 20
2281ad6265SDimitry Andric 
2381ad6265SDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD
2481ad6265SDimitry Andric 
2581ad6265SDimitry Andric inline namespace literals
2681ad6265SDimitry Andric {
2781ad6265SDimitry Andric   inline namespace chrono_literals
2881ad6265SDimitry Andric   {
2981ad6265SDimitry Andric     _LIBCPP_HIDE_FROM_ABI constexpr chrono::day operator ""d(unsigned long long __d) noexcept
3081ad6265SDimitry Andric     {
3181ad6265SDimitry Andric         return chrono::day(static_cast<unsigned>(__d));
3281ad6265SDimitry Andric     }
3381ad6265SDimitry Andric 
3481ad6265SDimitry Andric     _LIBCPP_HIDE_FROM_ABI constexpr chrono::year operator ""y(unsigned long long __y) noexcept
3581ad6265SDimitry Andric     {
3681ad6265SDimitry Andric         return chrono::year(static_cast<int>(__y));
3781ad6265SDimitry Andric     }
3881ad6265SDimitry Andric } // namespace chrono_literals
3981ad6265SDimitry Andric } // namespace literals
4081ad6265SDimitry Andric 
4181ad6265SDimitry Andric namespace chrono { // hoist the literals into namespace std::chrono
4281ad6265SDimitry Andric    using namespace literals::chrono_literals;
4381ad6265SDimitry Andric } // namespace chrono
4481ad6265SDimitry Andric 
4581ad6265SDimitry Andric _LIBCPP_END_NAMESPACE_STD
4681ad6265SDimitry Andric 
47*06c3fb27SDimitry Andric #endif // _LIBCPP_STD_VER >= 20
4881ad6265SDimitry Andric 
4981ad6265SDimitry Andric #endif // _LIBCPP___CHRONO_LITERALS_H
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