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_LITERALS_H 11#define _LIBCPP___CHRONO_LITERALS_H 12 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_header 19#endif 20 21#if _LIBCPP_STD_VER >= 20 22 23_LIBCPP_BEGIN_NAMESPACE_STD 24 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_literals 35} // namespace literals 36 37namespace chrono { // hoist the literals into namespace std::chrono 38using namespace literals::chrono_literals; 39} // namespace chrono 40 41_LIBCPP_END_NAMESPACE_STD 42 43#endif // _LIBCPP_STD_VER >= 20 44 45#endif // _LIBCPP___CHRONO_LITERALS_H 46