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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-exception7//8//===----------------------------------------------------------------------===//9 10#ifndef _LIBCPP___CHRONO_LITERALS_H11#define _LIBCPP___CHRONO_LITERALS_H12 13#include <__chrono/day.h>14#include <__chrono/year.h>15#include <__config>16 17#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)18# pragma GCC system_header19#endif20 21#if _LIBCPP_STD_VER >= 2022 23_LIBCPP_BEGIN_NAMESPACE_STD24 25inline namespace literals {26inline namespace chrono_literals {27_LIBCPP_HIDE_FROM_ABI constexpr chrono::day operator""d(unsigned long long __d) noexcept {28 return chrono::day(static_cast<unsigned>(__d));29}30 31_LIBCPP_HIDE_FROM_ABI constexpr chrono::year operator""y(unsigned long long __y) noexcept {32 return chrono::year(static_cast<int>(__y));33}34} // namespace chrono_literals35} // namespace literals36 37namespace chrono { // hoist the literals into namespace std::chrono38using namespace literals::chrono_literals;39} // namespace chrono40 41_LIBCPP_END_NAMESPACE_STD42 43#endif // _LIBCPP_STD_VER >= 2044 45#endif // _LIBCPP___CHRONO_LITERALS_H46