1*4bdff4beSrobert // -*- C++ -*- 2*4bdff4beSrobert //===----------------------------------------------------------------------===// 3*4bdff4beSrobert // 4*4bdff4beSrobert // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 5*4bdff4beSrobert // See https://llvm.org/LICENSE.txt for license information. 6*4bdff4beSrobert // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 7*4bdff4beSrobert // 8*4bdff4beSrobert //===----------------------------------------------------------------------===// 9*4bdff4beSrobert 10*4bdff4beSrobert #ifndef _LIBCPP___CHRONO_DAY_H 11*4bdff4beSrobert #define _LIBCPP___CHRONO_DAY_H 12*4bdff4beSrobert 13*4bdff4beSrobert #include <__chrono/duration.h> 14*4bdff4beSrobert #include <__config> 15*4bdff4beSrobert #include <compare> 16*4bdff4beSrobert 17*4bdff4beSrobert #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 18*4bdff4beSrobert # pragma GCC system_header 19*4bdff4beSrobert #endif 20*4bdff4beSrobert 21*4bdff4beSrobert #if _LIBCPP_STD_VER > 17 22*4bdff4beSrobert 23*4bdff4beSrobert _LIBCPP_BEGIN_NAMESPACE_STD 24*4bdff4beSrobert 25*4bdff4beSrobert namespace chrono 26*4bdff4beSrobert { 27*4bdff4beSrobert 28*4bdff4beSrobert class day { 29*4bdff4beSrobert private: 30*4bdff4beSrobert unsigned char __d_; 31*4bdff4beSrobert public: 32*4bdff4beSrobert _LIBCPP_HIDE_FROM_ABI day() = default; day(unsigned __val)33*4bdff4beSrobert _LIBCPP_HIDE_FROM_ABI explicit inline constexpr day(unsigned __val) noexcept : __d_(static_cast<unsigned char>(__val)) {} 34*4bdff4beSrobert _LIBCPP_HIDE_FROM_ABI inline constexpr day& operator++() noexcept { ++__d_; return *this; } 35*4bdff4beSrobert _LIBCPP_HIDE_FROM_ABI inline constexpr day operator++(int) noexcept { day __tmp = *this; ++(*this); return __tmp; } 36*4bdff4beSrobert _LIBCPP_HIDE_FROM_ABI inline constexpr day& operator--() noexcept { --__d_; return *this; } 37*4bdff4beSrobert _LIBCPP_HIDE_FROM_ABI inline constexpr day operator--(int) noexcept { day __tmp = *this; --(*this); return __tmp; } 38*4bdff4beSrobert _LIBCPP_HIDE_FROM_ABI constexpr day& operator+=(const days& __dd) noexcept; 39*4bdff4beSrobert _LIBCPP_HIDE_FROM_ABI constexpr day& operator-=(const days& __dd) noexcept; 40*4bdff4beSrobert _LIBCPP_HIDE_FROM_ABI explicit inline constexpr operator unsigned() const noexcept { return __d_; } ok()41*4bdff4beSrobert _LIBCPP_HIDE_FROM_ABI inline constexpr bool ok() const noexcept { return __d_ >= 1 && __d_ <= 31; } 42*4bdff4beSrobert }; 43*4bdff4beSrobert 44*4bdff4beSrobert 45*4bdff4beSrobert _LIBCPP_HIDE_FROM_ABI inline constexpr 46*4bdff4beSrobert bool operator==(const day& __lhs, const day& __rhs) noexcept 47*4bdff4beSrobert { return static_cast<unsigned>(__lhs) == static_cast<unsigned>(__rhs); } 48*4bdff4beSrobert 49*4bdff4beSrobert _LIBCPP_HIDE_FROM_ABI constexpr strong_ordering operator<=>(const day& __lhs, const day& __rhs) noexcept { 50*4bdff4beSrobert return static_cast<unsigned>(__lhs) <=> static_cast<unsigned>(__rhs); 51*4bdff4beSrobert } 52*4bdff4beSrobert 53*4bdff4beSrobert _LIBCPP_HIDE_FROM_ABI inline constexpr 54*4bdff4beSrobert day operator+ (const day& __lhs, const days& __rhs) noexcept 55*4bdff4beSrobert { return day(static_cast<unsigned>(__lhs) + __rhs.count()); } 56*4bdff4beSrobert 57*4bdff4beSrobert _LIBCPP_HIDE_FROM_ABI inline constexpr 58*4bdff4beSrobert day operator+ (const days& __lhs, const day& __rhs) noexcept 59*4bdff4beSrobert { return __rhs + __lhs; } 60*4bdff4beSrobert 61*4bdff4beSrobert _LIBCPP_HIDE_FROM_ABI inline constexpr 62*4bdff4beSrobert day operator- (const day& __lhs, const days& __rhs) noexcept 63*4bdff4beSrobert { return __lhs + -__rhs; } 64*4bdff4beSrobert 65*4bdff4beSrobert _LIBCPP_HIDE_FROM_ABI inline constexpr 66*4bdff4beSrobert days operator-(const day& __lhs, const day& __rhs) noexcept 67*4bdff4beSrobert { return days(static_cast<int>(static_cast<unsigned>(__lhs)) - 68*4bdff4beSrobert static_cast<int>(static_cast<unsigned>(__rhs))); } 69*4bdff4beSrobert 70*4bdff4beSrobert _LIBCPP_HIDE_FROM_ABI inline constexpr 71*4bdff4beSrobert day& day::operator+=(const days& __dd) noexcept 72*4bdff4beSrobert { *this = *this + __dd; return *this; } 73*4bdff4beSrobert 74*4bdff4beSrobert _LIBCPP_HIDE_FROM_ABI inline constexpr 75*4bdff4beSrobert day& day::operator-=(const days& __dd) noexcept 76*4bdff4beSrobert { *this = *this - __dd; return *this; } 77*4bdff4beSrobert 78*4bdff4beSrobert } // namespace chrono 79*4bdff4beSrobert 80*4bdff4beSrobert _LIBCPP_END_NAMESPACE_STD 81*4bdff4beSrobert 82*4bdff4beSrobert #endif // _LIBCPP_STD_VER > 17 83*4bdff4beSrobert 84*4bdff4beSrobert #endif // _LIBCPP___CHRONO_DAY_H 85