forked from OSchip/llvm-project
100 lines
3.5 KiB
C++
100 lines
3.5 KiB
C++
// -*- C++ -*-
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//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP___CHRONO_DAY_H
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#define _LIBCPP___CHRONO_DAY_H
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#include <__chrono/duration.h>
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#include <__config>
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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# pragma GCC system_header
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#endif
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#if _LIBCPP_STD_VER > 17
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_LIBCPP_BEGIN_NAMESPACE_STD
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namespace chrono
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{
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class day {
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private:
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unsigned char __d;
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public:
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_LIBCPP_HIDE_FROM_ABI day() = default;
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_LIBCPP_HIDE_FROM_ABI explicit inline constexpr day(unsigned __val) noexcept : __d(static_cast<unsigned char>(__val)) {}
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_LIBCPP_HIDE_FROM_ABI inline constexpr day& operator++() noexcept { ++__d; return *this; }
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_LIBCPP_HIDE_FROM_ABI inline constexpr day operator++(int) noexcept { day __tmp = *this; ++(*this); return __tmp; }
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_LIBCPP_HIDE_FROM_ABI inline constexpr day& operator--() noexcept { --__d; return *this; }
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_LIBCPP_HIDE_FROM_ABI inline constexpr day operator--(int) noexcept { day __tmp = *this; --(*this); return __tmp; }
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_LIBCPP_HIDE_FROM_ABI constexpr day& operator+=(const days& __dd) noexcept;
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_LIBCPP_HIDE_FROM_ABI constexpr day& operator-=(const days& __dd) noexcept;
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_LIBCPP_HIDE_FROM_ABI explicit inline constexpr operator unsigned() const noexcept { return __d; }
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_LIBCPP_HIDE_FROM_ABI inline constexpr bool ok() const noexcept { return __d >= 1 && __d <= 31; }
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};
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_LIBCPP_HIDE_FROM_ABI inline constexpr
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bool operator==(const day& __lhs, const day& __rhs) noexcept
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{ return static_cast<unsigned>(__lhs) == static_cast<unsigned>(__rhs); }
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_LIBCPP_HIDE_FROM_ABI inline constexpr
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bool operator!=(const day& __lhs, const day& __rhs) noexcept
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{ return !(__lhs == __rhs); }
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_LIBCPP_HIDE_FROM_ABI inline constexpr
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bool operator< (const day& __lhs, const day& __rhs) noexcept
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{ return static_cast<unsigned>(__lhs) < static_cast<unsigned>(__rhs); }
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_LIBCPP_HIDE_FROM_ABI inline constexpr
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bool operator> (const day& __lhs, const day& __rhs) noexcept
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{ return __rhs < __lhs; }
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_LIBCPP_HIDE_FROM_ABI inline constexpr
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bool operator<=(const day& __lhs, const day& __rhs) noexcept
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{ return !(__rhs < __lhs);}
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_LIBCPP_HIDE_FROM_ABI inline constexpr
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bool operator>=(const day& __lhs, const day& __rhs) noexcept
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{ return !(__lhs < __rhs); }
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_LIBCPP_HIDE_FROM_ABI inline constexpr
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day operator+ (const day& __lhs, const days& __rhs) noexcept
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{ return day(static_cast<unsigned>(__lhs) + __rhs.count()); }
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_LIBCPP_HIDE_FROM_ABI inline constexpr
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day operator+ (const days& __lhs, const day& __rhs) noexcept
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{ return __rhs + __lhs; }
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_LIBCPP_HIDE_FROM_ABI inline constexpr
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day operator- (const day& __lhs, const days& __rhs) noexcept
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{ return __lhs + -__rhs; }
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_LIBCPP_HIDE_FROM_ABI inline constexpr
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days operator-(const day& __lhs, const day& __rhs) noexcept
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{ return days(static_cast<int>(static_cast<unsigned>(__lhs)) -
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static_cast<int>(static_cast<unsigned>(__rhs))); }
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_LIBCPP_HIDE_FROM_ABI inline constexpr
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day& day::operator+=(const days& __dd) noexcept
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{ *this = *this + __dd; return *this; }
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_LIBCPP_HIDE_FROM_ABI inline constexpr
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day& day::operator-=(const days& __dd) noexcept
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{ *this = *this - __dd; return *this; }
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} // namespace chrono
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP_STD_VER > 17
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#endif // _LIBCPP___CHRONO_DAY_H
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