| // -*- 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> |
| |
| #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 inline constexpr |
| bool operator!=(const day& __lhs, const day& __rhs) noexcept |
| { return !(__lhs == __rhs); } |
| |
| _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 inline constexpr |
| bool operator> (const day& __lhs, const day& __rhs) noexcept |
| { return __rhs < __lhs; } |
| |
| _LIBCPP_HIDE_FROM_ABI inline constexpr |
| bool operator<=(const day& __lhs, const day& __rhs) noexcept |
| { return !(__rhs < __lhs);} |
| |
| _LIBCPP_HIDE_FROM_ABI inline constexpr |
| bool operator>=(const day& __lhs, const day& __rhs) noexcept |
| { return !(__lhs < __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 |