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