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// -*- C++ -*-
//===---------------------------- chrono ----------------------------------===//
//
// 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
#define _LIBCPP_CHRONO
/*
chrono synopsis
namespace std
{
namespace chrono
{
template <class ToDuration, class Rep, class Period>
constexpr
ToDuration
duration_cast(const duration<Rep, Period>& fd);
template <class Rep> struct treat_as_floating_point : is_floating_point<Rep> {};
template <class Rep> inline constexpr bool treat_as_floating_point_v
= treat_as_floating_point<Rep>::value; // C++17
template <class Rep>
struct duration_values
{
public:
static constexpr Rep zero(); // noexcept in C++20
static constexpr Rep max(); // noexcept in C++20
static constexpr Rep min(); // noexcept in C++20
};
// duration
template <class Rep, class Period = ratio<1>>
class duration
{
static_assert(!__is_duration<Rep>::value, "A duration representation can not be a duration");
static_assert(__is_ratio<Period>::value, "Second template parameter of duration must be a std::ratio");
static_assert(Period::num > 0, "duration period must be positive");
public:
typedef Rep rep;
typedef typename _Period::type period;
constexpr duration() = default;
template <class Rep2>
constexpr explicit duration(const Rep2& r,
typename enable_if
<
is_convertible<Rep2, rep>::value &&
(treat_as_floating_point<rep>::value ||
!treat_as_floating_point<rep>::value && !treat_as_floating_point<Rep2>::value)
>::type* = 0);
// conversions
template <class Rep2, class Period2>
constexpr duration(const duration<Rep2, Period2>& d,
typename enable_if
<
treat_as_floating_point<rep>::value ||
ratio_divide<Period2, period>::type::den == 1
>::type* = 0);
// observer
constexpr rep count() const;
// arithmetic
constexpr common_type<duration>::type operator+() const;
constexpr common_type<duration>::type operator-() const;
constexpr duration& operator++(); // constexpr in C++17
constexpr duration operator++(int); // constexpr in C++17
constexpr duration& operator--(); // constexpr in C++17
constexpr duration operator--(int); // constexpr in C++17
constexpr duration& operator+=(const duration& d); // constexpr in C++17
constexpr duration& operator-=(const duration& d); // constexpr in C++17
duration& operator*=(const rep& rhs); // constexpr in C++17
duration& operator/=(const rep& rhs); // constexpr in C++17
duration& operator%=(const rep& rhs); // constexpr in C++17
duration& operator%=(const duration& rhs); // constexpr in C++17
// special values
static constexpr duration zero(); // noexcept in C++20
static constexpr duration min(); // noexcept in C++20
static constexpr duration max(); // noexcept in C++20
};
typedef duration<long long, nano> nanoseconds;
typedef duration<long long, micro> microseconds;
typedef duration<long long, milli> milliseconds;
typedef duration<long long > seconds;
typedef duration< long, ratio< 60> > minutes;
typedef duration< long, ratio<3600> > hours;
template <class Clock, class Duration = typename Clock::duration>
class time_point
{
public:
typedef Clock clock;
typedef Duration duration;
typedef typename duration::rep rep;
typedef typename duration::period period;
private:
duration d_; // exposition only
public:
time_point(); // has value "epoch" // constexpr in C++14
explicit time_point(const duration& d); // same as time_point() + d // constexpr in C++14
// conversions
template <class Duration2>
time_point(const time_point<clock, Duration2>& t); // constexpr in C++14
// observer
duration time_since_epoch() const; // constexpr in C++14
// arithmetic
time_point& operator+=(const duration& d); // constexpr in C++17
time_point& operator-=(const duration& d); // constexpr in C++17
// special values
static constexpr time_point min(); // noexcept in C++20
static constexpr time_point max(); // noexcept in C++20
};
} // chrono
// common_type traits
template <class Rep1, class Period1, class Rep2, class Period2>
struct common_type<chrono::duration<Rep1, Period1>, chrono::duration<Rep2, Period2>>;
template <class Clock, class Duration1, class Duration2>
struct common_type<chrono::time_point<Clock, Duration1>, chrono::time_point<Clock, Duration2>>;
namespace chrono {
template<class T> struct is_clock; // C++20
template<class T> inline constexpr bool is_clock_v = is_clock<T>::value; // C++20
// duration arithmetic
template <class Rep1, class Period1, class Rep2, class Period2>
constexpr
typename common_type<duration<Rep1, Period1>, duration<Rep2, Period2>>::type
operator+(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
template <class Rep1, class Period1, class Rep2, class Period2>
constexpr
typename common_type<duration<Rep1, Period1>, duration<Rep2, Period2>>::type
operator-(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
template <class Rep1, class Period, class Rep2>
constexpr
duration<typename common_type<Rep1, Rep2>::type, Period>
operator*(const duration<Rep1, Period>& d, const Rep2& s);
template <class Rep1, class Period, class Rep2>
constexpr
duration<typename common_type<Rep1, Rep2>::type, Period>
operator*(const Rep1& s, const duration<Rep2, Period>& d);
template <class Rep1, class Period, class Rep2>
constexpr
duration<typename common_type<Rep1, Rep2>::type, Period>
operator/(const duration<Rep1, Period>& d, const Rep2& s);
template <class Rep1, class Period1, class Rep2, class Period2>
constexpr
typename common_type<Rep1, Rep2>::type
operator/(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
// duration comparisons
template <class Rep1, class Period1, class Rep2, class Period2>
constexpr
bool operator==(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
template <class Rep1, class Period1, class Rep2, class Period2>
constexpr
bool operator!=(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
template <class Rep1, class Period1, class Rep2, class Period2>
constexpr
bool operator< (const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
template <class Rep1, class Period1, class Rep2, class Period2>
constexpr
bool operator<=(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
template <class Rep1, class Period1, class Rep2, class Period2>
constexpr
bool operator> (const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
template <class Rep1, class Period1, class Rep2, class Period2>
constexpr
bool operator>=(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
// duration_cast
template <class ToDuration, class Rep, class Period>
ToDuration duration_cast(const duration<Rep, Period>& d);
template <class ToDuration, class Rep, class Period>
constexpr ToDuration floor(const duration<Rep, Period>& d); // C++17
template <class ToDuration, class Rep, class Period>
constexpr ToDuration ceil(const duration<Rep, Period>& d); // C++17
template <class ToDuration, class Rep, class Period>
constexpr ToDuration round(const duration<Rep, Period>& d); // C++17
// duration I/O is elsewhere
// time_point arithmetic (all constexpr in C++14)
template <class Clock, class Duration1, class Rep2, class Period2>
time_point<Clock, typename common_type<Duration1, duration<Rep2, Period2>>::type>
operator+(const time_point<Clock, Duration1>& lhs, const duration<Rep2, Period2>& rhs);
template <class Rep1, class Period1, class Clock, class Duration2>
time_point<Clock, typename common_type<duration<Rep1, Period1>, Duration2>::type>
operator+(const duration<Rep1, Period1>& lhs, const time_point<Clock, Duration2>& rhs);
template <class Clock, class Duration1, class Rep2, class Period2>
time_point<Clock, typename common_type<Duration1, duration<Rep2, Period2>>::type>
operator-(const time_point<Clock, Duration1>& lhs, const duration<Rep2, Period2>& rhs);
template <class Clock, class Duration1, class Duration2>
typename common_type<Duration1, Duration2>::type
operator-(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs);
// time_point comparisons (all constexpr in C++14)
template <class Clock, class Duration1, class Duration2>
bool operator==(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs);
template <class Clock, class Duration1, class Duration2>
bool operator!=(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs);
template <class Clock, class Duration1, class Duration2>
bool operator< (const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs);
template <class Clock, class Duration1, class Duration2>
bool operator<=(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs);
template <class Clock, class Duration1, class Duration2>
bool operator> (const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs);
template <class Clock, class Duration1, class Duration2>
bool operator>=(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs);
// time_point_cast (constexpr in C++14)
template <class ToDuration, class Clock, class Duration>
time_point<Clock, ToDuration> time_point_cast(const time_point<Clock, Duration>& t);
template <class ToDuration, class Clock, class Duration>
constexpr time_point<Clock, ToDuration>
floor(const time_point<Clock, Duration>& tp); // C++17
template <class ToDuration, class Clock, class Duration>
constexpr time_point<Clock, ToDuration>
ceil(const time_point<Clock, Duration>& tp); // C++17
template <class ToDuration, class Clock, class Duration>
constexpr time_point<Clock, ToDuration>
round(const time_point<Clock, Duration>& tp); // C++17
template <class Rep, class Period>
constexpr duration<Rep, Period> abs(duration<Rep, Period> d); // C++17
// Clocks
class system_clock
{
public:
typedef microseconds duration;
typedef duration::rep rep;
typedef duration::period period;
typedef chrono::time_point<system_clock> time_point;
static const bool is_steady = false; // constexpr in C++14
static time_point now() noexcept;
static time_t to_time_t (const time_point& __t) noexcept;
static time_point from_time_t(time_t __t) noexcept;
};
template <class Duration>
using sys_time = time_point<system_clock, Duration>; // C++20
using sys_seconds = sys_time<seconds>; // C++20
using sys_days = sys_time<days>; // C++20
class utc_clock; // C++20
template <class Duration>
using utc_time = time_point<utc_clock, Duration>; // C++20
using utc_seconds = utc_time<seconds>; // C++20
class tai_clock; // C++20
template <class Duration>
using tai_time = time_point<tai_clock, Duration>; // C++20
using tai_seconds = tai_time<seconds>; // C++20
class file_clock; // C++20
template<class Duration>
using file_time = time_point<file_clock, Duration>; // C++20
class steady_clock
{
public:
typedef nanoseconds duration;
typedef duration::rep rep;
typedef duration::period period;
typedef chrono::time_point<steady_clock, duration> time_point;
static const bool is_steady = true; // constexpr in C++14
static time_point now() noexcept;
};
typedef steady_clock high_resolution_clock;
// 25.7.8, local time // C++20
struct local_t {};
template<class Duration>
using local_time = time_point<local_t, Duration>;
using local_seconds = local_time<seconds>;
using local_days = local_time<days>;
// 25.7.9, time_point conversions template<class DestClock, class SourceClock> // C++20
struct clock_time_conversion;
template<class DestClock, class SourceClock, class Duration>
auto clock_cast(const time_point<SourceClock, Duration>& t);
// 25.8.2, class last_spec // C++20
struct last_spec;
// 25.8.3, class day // C++20
class day;
constexpr bool operator==(const day& x, const day& y) noexcept;
constexpr bool operator!=(const day& x, const day& y) noexcept;
constexpr bool operator< (const day& x, const day& y) noexcept;
constexpr bool operator> (const day& x, const day& y) noexcept;
constexpr bool operator<=(const day& x, const day& y) noexcept;
constexpr bool operator>=(const day& x, const day& y) noexcept;
constexpr day operator+(const day& x, const days& y) noexcept;
constexpr day operator+(const days& x, const day& y) noexcept;
constexpr day operator-(const day& x, const days& y) noexcept;
constexpr days operator-(const day& x, const day& y) noexcept;
// 25.8.4, class month // C++20
class month;
constexpr bool operator==(const month& x, const month& y) noexcept;
constexpr bool operator!=(const month& x, const month& y) noexcept;
constexpr bool operator< (const month& x, const month& y) noexcept;
constexpr bool operator> (const month& x, const month& y) noexcept;
constexpr bool operator<=(const month& x, const month& y) noexcept;
constexpr bool operator>=(const month& x, const month& y) noexcept;
constexpr month operator+(const month& x, const months& y) noexcept;
constexpr month operator+(const months& x, const month& y) noexcept;
constexpr month operator-(const month& x, const months& y) noexcept;
constexpr months operator-(const month& x, const month& y) noexcept;
// 25.8.5, class year // C++20
class year;
constexpr bool operator==(const year& x, const year& y) noexcept;
constexpr bool operator!=(const year& x, const year& y) noexcept;
constexpr bool operator< (const year& x, const year& y) noexcept;
constexpr bool operator> (const year& x, const year& y) noexcept;
constexpr bool operator<=(const year& x, const year& y) noexcept;
constexpr bool operator>=(const year& x, const year& y) noexcept;
constexpr year operator+(const year& x, const years& y) noexcept;
constexpr year operator+(const years& x, const year& y) noexcept;
constexpr year operator-(const year& x, const years& y) noexcept;
constexpr years operator-(const year& x, const year& y) noexcept;
// 25.8.6, class weekday // C++20
class weekday;
constexpr bool operator==(const weekday& x, const weekday& y) noexcept;
constexpr bool operator!=(const weekday& x, const weekday& y) noexcept;
constexpr weekday operator+(const weekday& x, const days& y) noexcept;
constexpr weekday operator+(const days& x, const weekday& y) noexcept;
constexpr weekday operator-(const weekday& x, const days& y) noexcept;
constexpr days operator-(const weekday& x, const weekday& y) noexcept;
// 25.8.7, class weekday_indexed // C++20
class weekday_indexed;
constexpr bool operator==(const weekday_indexed& x, const weekday_indexed& y) noexcept;
constexpr bool operator!=(const weekday_indexed& x, const weekday_indexed& y) noexcept;
// 25.8.8, class weekday_last // C++20
class weekday_last;
constexpr bool operator==(const weekday_last& x, const weekday_last& y) noexcept;
constexpr bool operator!=(const weekday_last& x, const weekday_last& y) noexcept;
// 25.8.9, class month_day // C++20
class month_day;
constexpr bool operator==(const month_day& x, const month_day& y) noexcept;
constexpr bool operator!=(const month_day& x, const month_day& y) noexcept;
constexpr bool operator< (const month_day& x, const month_day& y) noexcept;
constexpr bool operator> (const month_day& x, const month_day& y) noexcept;
constexpr bool operator<=(const month_day& x, const month_day& y) noexcept;
constexpr bool operator>=(const month_day& x, const month_day& y) noexcept;
// 25.8.10, class month_day_last // C++20
class month_day_last;
constexpr bool operator==(const month_day_last& x, const month_day_last& y) noexcept;
constexpr bool operator!=(const month_day_last& x, const month_day_last& y) noexcept;
constexpr bool operator< (const month_day_last& x, const month_day_last& y) noexcept;
constexpr bool operator> (const month_day_last& x, const month_day_last& y) noexcept;
constexpr bool operator<=(const month_day_last& x, const month_day_last& y) noexcept;
constexpr bool operator>=(const month_day_last& x, const month_day_last& y) noexcept;
// 25.8.11, class month_weekday // C++20
class month_weekday;
constexpr bool operator==(const month_weekday& x, const month_weekday& y) noexcept;
constexpr bool operator!=(const month_weekday& x, const month_weekday& y) noexcept;
// 25.8.12, class month_weekday_last // C++20
class month_weekday_last;
constexpr bool operator==(const month_weekday_last& x, const month_weekday_last& y) noexcept;
constexpr bool operator!=(const month_weekday_last& x, const month_weekday_last& y) noexcept;
// 25.8.13, class year_month // C++20
class year_month;
constexpr bool operator==(const year_month& x, const year_month& y) noexcept;
constexpr bool operator!=(const year_month& x, const year_month& y) noexcept;
constexpr bool operator< (const year_month& x, const year_month& y) noexcept;
constexpr bool operator> (const year_month& x, const year_month& y) noexcept;
constexpr bool operator<=(const year_month& x, const year_month& y) noexcept;
constexpr bool operator>=(const year_month& x, const year_month& y) noexcept;
constexpr year_month operator+(const year_month& ym, const months& dm) noexcept;
constexpr year_month operator+(const months& dm, const year_month& ym) noexcept;
constexpr year_month operator-(const year_month& ym, const months& dm) noexcept;
constexpr months operator-(const year_month& x, const year_month& y) noexcept;
constexpr year_month operator+(const year_month& ym, const years& dy) noexcept;
constexpr year_month operator+(const years& dy, const year_month& ym) noexcept;
constexpr year_month operator-(const year_month& ym, const years& dy) noexcept;
// 25.8.14, class year_month_day class // C++20
year_month_day;
constexpr bool operator==(const year_month_day& x, const year_month_day& y) noexcept;
constexpr bool operator!=(const year_month_day& x, const year_month_day& y) noexcept;
constexpr bool operator< (const year_month_day& x, const year_month_day& y) noexcept;
constexpr bool operator> (const year_month_day& x, const year_month_day& y) noexcept;
constexpr bool operator<=(const year_month_day& x, const year_month_day& y) noexcept;
constexpr bool operator>=(const year_month_day& x, const year_month_day& y) noexcept;
constexpr year_month_day operator+(const year_month_day& ymd, const months& dm) noexcept;
constexpr year_month_day operator+(const months& dm, const year_month_day& ymd) noexcept;
constexpr year_month_day operator+(const year_month_day& ymd, const years& dy) noexcept;
constexpr year_month_day operator+(const years& dy, const year_month_day& ymd) noexcept;
constexpr year_month_day operator-(const year_month_day& ymd, const months& dm) noexcept;
constexpr year_month_day operator-(const year_month_day& ymd, const years& dy) noexcept;
// 25.8.15, class year_month_day_last // C++20
class year_month_day_last;
constexpr bool operator==(const year_month_day_last& x,
const year_month_day_last& y) noexcept;
constexpr bool operator!=(const year_month_day_last& x,
const year_month_day_last& y) noexcept;
constexpr bool operator< (const year_month_day_last& x,
const year_month_day_last& y) noexcept;
constexpr bool operator> (const year_month_day_last& x,
const year_month_day_last& y) noexcept;
constexpr bool operator<=(const year_month_day_last& x,
const year_month_day_last& y) noexcept;
constexpr bool operator>=(const year_month_day_last& x,
const year_month_day_last& y) noexcept;
constexpr year_month_day_last
operator+(const year_month_day_last& ymdl, const months& dm) noexcept;
constexpr year_month_day_last
operator+(const months& dm, const year_month_day_last& ymdl) noexcept;
constexpr year_month_day_last
operator+(const year_month_day_last& ymdl, const years& dy) noexcept;
constexpr year_month_day_last
operator+(const years& dy, const year_month_day_last& ymdl) noexcept;
constexpr year_month_day_last
operator-(const year_month_day_last& ymdl, const months& dm) noexcept;
constexpr year_month_day_last
operator-(const year_month_day_last& ymdl, const years& dy) noexcept;
// 25.8.16, class year_month_weekday // C++20
class year_month_weekday;
constexpr bool operator==(const year_month_weekday& x,
const year_month_weekday& y) noexcept;
constexpr bool operator!=(const year_month_weekday& x,
const year_month_weekday& y) noexcept;
constexpr year_month_weekday
operator+(const year_month_weekday& ymwd, const months& dm) noexcept;
constexpr year_month_weekday
operator+(const months& dm, const year_month_weekday& ymwd) noexcept;
constexpr year_month_weekday
operator+(const year_month_weekday& ymwd, const years& dy) noexcept;
constexpr year_month_weekday
operator+(const years& dy, const year_month_weekday& ymwd) noexcept;
constexpr year_month_weekday
operator-(const year_month_weekday& ymwd, const months& dm) noexcept;
constexpr year_month_weekday
operator-(const year_month_weekday& ymwd, const years& dy) noexcept;
// 25.8.17, class year_month_weekday_last // C++20
class year_month_weekday_last;
constexpr bool operator==(const year_month_weekday_last& x,
const year_month_weekday_last& y) noexcept;
constexpr bool operator!=(const year_month_weekday_last& x,
const year_month_weekday_last& y) noexcept;
constexpr year_month_weekday_last
operator+(const year_month_weekday_last& ymwdl, const months& dm) noexcept;
constexpr year_month_weekday_last
operator+(const months& dm, const year_month_weekday_last& ymwdl) noexcept;
constexpr year_month_weekday_last
operator+(const year_month_weekday_last& ymwdl, const years& dy) noexcept;
constexpr year_month_weekday_last
operator+(const years& dy, const year_month_weekday_last& ymwdl) noexcept;
constexpr year_month_weekday_last
operator-(const year_month_weekday_last& ymwdl, const months& dm) noexcept;
constexpr year_month_weekday_last
operator-(const year_month_weekday_last& ymwdl, const years& dy) noexcept;
// 25.8.18, civil calendar conventional syntax operators // C++20
constexpr year_month
operator/(const year& y, const month& m) noexcept;
constexpr year_month
operator/(const year& y, int m) noexcept;
constexpr month_day
operator/(const month& m, const day& d) noexcept;
constexpr month_day
operator/(const month& m, int d) noexcept;
constexpr month_day
operator/(int m, const day& d) noexcept;
constexpr month_day
operator/(const day& d, const month& m) noexcept;
constexpr month_day
operator/(const day& d, int m) noexcept;
constexpr month_day_last
operator/(const month& m, last_spec) noexcept;
constexpr month_day_last
operator/(int m, last_spec) noexcept;
constexpr month_day_last
operator/(last_spec, const month& m) noexcept;
constexpr month_day_last
operator/(last_spec, int m) noexcept;
constexpr month_weekday
operator/(const month& m, const weekday_indexed& wdi) noexcept;
constexpr month_weekday
operator/(int m, const weekday_indexed& wdi) noexcept;
constexpr month_weekday
operator/(const weekday_indexed& wdi, const month& m) noexcept;
constexpr month_weekday
operator/(const weekday_indexed& wdi, int m) noexcept;
constexpr month_weekday_last
operator/(const month& m, const weekday_last& wdl) noexcept;
constexpr month_weekday_last
operator/(int m, const weekday_last& wdl) noexcept;
constexpr month_weekday_last
operator/(const weekday_last& wdl, const month& m) noexcept;
constexpr month_weekday_last
operator/(const weekday_last& wdl, int m) noexcept;
constexpr year_month_day
operator/(const year_month& ym, const day& d) noexcept;
constexpr year_month_day
operator/(const year_month& ym, int d) noexcept;
constexpr year_month_day
operator/(const year& y, const month_day& md) noexcept;
constexpr year_month_day
operator/(int y, const month_day& md) noexcept;
constexpr year_month_day
operator/(const month_day& md, const year& y) noexcept;
constexpr year_month_day
operator/(const month_day& md, int y) noexcept;
constexpr year_month_day_last
operator/(const year_month& ym, last_spec) noexcept;
constexpr year_month_day_last
operator/(const year& y, const month_day_last& mdl) noexcept;
constexpr year_month_day_last
operator/(int y, const month_day_last& mdl) noexcept;
constexpr year_month_day_last
operator/(const month_day_last& mdl, const year& y) noexcept;
constexpr year_month_day_last
operator/(const month_day_last& mdl, int y) noexcept;
constexpr year_month_weekday
operator/(const year_month& ym, const weekday_indexed& wdi) noexcept;
constexpr year_month_weekday
operator/(const year& y, const month_weekday& mwd) noexcept;
constexpr year_month_weekday
operator/(int y, const month_weekday& mwd) noexcept;
constexpr year_month_weekday
operator/(const month_weekday& mwd, const year& y) noexcept;
constexpr year_month_weekday
operator/(const month_weekday& mwd, int y) noexcept;
constexpr year_month_weekday_last
operator/(const year_month& ym, const weekday_last& wdl) noexcept;
constexpr year_month_weekday_last
operator/(const year& y, const month_weekday_last& mwdl) noexcept;
constexpr year_month_weekday_last
operator/(int y, const month_weekday_last& mwdl) noexcept;
constexpr year_month_weekday_last
operator/(const month_weekday_last& mwdl, const year& y) noexcept;
constexpr year_month_weekday_last
operator/(const month_weekday_last& mwdl, int y) noexcept;
// 26.9, class template hh_mm_ss
template <class Duration>
class hh_mm_ss
{
bool is_neg; // exposition only
chrono::hours h; // exposition only
chrono::minutes m; // exposition only
chrono::seconds s; // exposition only
precision ss; // exposition only
public:
static unsigned constexpr fractional_width = see below;
using precision = see below;
constexpr hh_mm_ss() noexcept : hh_mm_ss{Duration::zero()} {}
constexpr explicit hh_mm_ss(Duration d) noexcept;
constexpr bool is_negative() const noexcept;
constexpr chrono::hours hours() const noexcept;
constexpr chrono::minutes minutes() const noexcept;
constexpr chrono::seconds seconds() const noexcept;
constexpr precision subseconds() const noexcept;
constexpr explicit operator precision() const noexcept;
constexpr precision to_duration() const noexcept;
};
template <class charT, class traits, class Duration>
basic_ostream<charT, traits>&
operator<<(basic_ostream<charT, traits>& os, hh_mm_ss<Duration> const& hms);
// 26.10, 12/24 hour functions
constexpr bool is_am(hours const& h) noexcept;
constexpr bool is_pm(hours const& h) noexcept;
constexpr hours make12(const hours& h) noexcept;
constexpr hours make24(const hours& h, bool is_pm) noexcept;
// 25.10.2, time zone database // C++20
struct tzdb;
class tzdb_list;
// 25.10.2.3, time zone database access // C++20
const tzdb& get_tzdb();
tzdb_list& get_tzdb_list();
const time_zone* locate_zone(string_view tz_name);
const time_zone* current_zone();
// 25.10.2.4, remote time zone database support // C++20
const tzdb& reload_tzdb();
string remote_version();
// 25.10.3, exception classes // C++20
class nonexistent_local_time;
class ambiguous_local_time;
// 25.10.4, information classes // C++20
struct sys_info;
struct local_info;
// 25.10.5, class time_zone // C++20
enum class choose {earliest, latest};
class time_zone;
bool operator==(const time_zone& x, const time_zone& y) noexcept;
bool operator!=(const time_zone& x, const time_zone& y) noexcept;
bool operator<(const time_zone& x, const time_zone& y) noexcept;
bool operator>(const time_zone& x, const time_zone& y) noexcept;
bool operator<=(const time_zone& x, const time_zone& y) noexcept;
bool operator>=(const time_zone& x, const time_zone& y) noexcept;
// 25.10.6, class template zoned_traits // C++20
template<class T> struct zoned_traits;
// 25.10.7, class template zoned_time // C++20
template<class Duration, class TimeZonePtr = const time_zone*> class zoned_time;
using zoned_seconds = zoned_time<seconds>;
template<class Duration1, class Duration2, class TimeZonePtr>
bool operator==(const zoned_time<Duration1, TimeZonePtr>& x,
const zoned_time<Duration2, TimeZonePtr>& y);
template<class Duration1, class Duration2, class TimeZonePtr>
bool operator!=(const zoned_time<Duration1, TimeZonePtr>& x,
const zoned_time<Duration2, TimeZonePtr>& y);
// 25.10.8, leap second support // C++20
class leap;
bool operator==(const leap& x, const leap& y);
bool operator!=(const leap& x, const leap& y);
bool operator< (const leap& x, const leap& y);
bool operator> (const leap& x, const leap& y);
bool operator<=(const leap& x, const leap& y);
bool operator>=(const leap& x, const leap& y);
template<class Duration>
bool operator==(const leap& x, const sys_time<Duration>& y);
template<class Duration>
bool operator==(const sys_time<Duration>& x, const leap& y);
template<class Duration>
bool operator!=(const leap& x, const sys_time<Duration>& y);
template<class Duration>
bool operator!=(const sys_time<Duration>& x, const leap& y);
template<class Duration>
bool operator< (const leap& x, const sys_time<Duration>& y);
template<class Duration>
bool operator< (const sys_time<Duration>& x, const leap& y);
template<class Duration>
bool operator> (const leap& x, const sys_time<Duration>& y);
template<class Duration>
bool operator> (const sys_time<Duration>& x, const leap& y);
template<class Duration>
bool operator<=(const leap& x, const sys_time<Duration>& y);
template<class Duration>
bool operator<=(const sys_time<Duration>& x, const leap& y);
template<class Duration>
bool operator>=(const leap& x, const sys_time<Duration>& y);
template<class Duration>
bool operator>=(const sys_time<Duration>& x, const leap& y);
// 25.10.9, class link // C++20
class link;
bool operator==(const link& x, const link& y);
bool operator!=(const link& x, const link& y);
bool operator< (const link& x, const link& y);
bool operator> (const link& x, const link& y);
bool operator<=(const link& x, const link& y);
bool operator>=(const link& x, const link& y);
// 25.11, formatting // C++20
template<class charT, class Streamable>
basic_string<charT>
format(const charT* fmt, const Streamable& s);
template<class charT, class Streamable>
basic_string<charT>
format(const locale& loc, const charT* fmt, const Streamable& s);
template<class charT, class traits, class Alloc, class Streamable>
basic_string<charT, traits, Alloc>
format(const basic_string<charT, traits, Alloc>& fmt, const Streamable& s);
template<class charT, class traits, class Alloc, class Streamable>
basic_string<charT, traits, Alloc>
format(const locale& loc, const basic_string<charT, traits, Alloc>& fmt,
const Streamable& s);
// 25.12, parsing // C++20
template<class charT, class traits, class Alloc, class Parsable>
unspecified
parse(const basic_string<charT, traits, Alloc>& format, Parsable& tp);
template<class charT, class traits, class Alloc, class Parsable>
unspecified
parse(const basic_string<charT, traits, Alloc>& format, Parsable& tp,
basic_string<charT, traits, Alloc>& abbrev);
template<class charT, class traits, class Alloc, class Parsable>
unspecified
parse(const basic_string<charT, traits, Alloc>& format, Parsable& tp,
minutes& offset);
template<class charT, class traits, class Alloc, class Parsable>
unspecified
parse(const basic_string<charT, traits, Alloc>& format, Parsable& tp,
basic_string<charT, traits, Alloc>& abbrev, minutes& offset);
// calendrical constants
inline constexpr last_spec last{}; // C++20
inline constexpr chrono::weekday Sunday{0}; // C++20
inline constexpr chrono::weekday Monday{1}; // C++20
inline constexpr chrono::weekday Tuesday{2}; // C++20
inline constexpr chrono::weekday Wednesday{3}; // C++20
inline constexpr chrono::weekday Thursday{4}; // C++20
inline constexpr chrono::weekday Friday{5}; // C++20
inline constexpr chrono::weekday Saturday{6}; // C++20
inline constexpr chrono::month January{1}; // C++20
inline constexpr chrono::month February{2}; // C++20
inline constexpr chrono::month March{3}; // C++20
inline constexpr chrono::month April{4}; // C++20
inline constexpr chrono::month May{5}; // C++20
inline constexpr chrono::month June{6}; // C++20
inline constexpr chrono::month July{7}; // C++20
inline constexpr chrono::month August{8}; // C++20
inline constexpr chrono::month September{9}; // C++20
inline constexpr chrono::month October{10}; // C++20
inline constexpr chrono::month November{11}; // C++20
inline constexpr chrono::month December{12}; // C++20
} // chrono
inline namespace literals {
inline namespace chrono_literals {
constexpr chrono::hours operator ""h(unsigned long long); // C++14
constexpr chrono::duration<unspecified , ratio<3600,1>> operator ""h(long double); // C++14
constexpr chrono::minutes operator ""min(unsigned long long); // C++14
constexpr chrono::duration<unspecified , ratio<60,1>> operator ""min(long double); // C++14
constexpr chrono::seconds operator ""s(unsigned long long); // C++14
constexpr chrono::duration<unspecified > operator ""s(long double); // C++14
constexpr chrono::milliseconds operator ""ms(unsigned long long); // C++14
constexpr chrono::duration<unspecified , milli> operator ""ms(long double); // C++14
constexpr chrono::microseconds operator ""us(unsigned long long); // C++14
constexpr chrono::duration<unspecified , micro> operator ""us(long double); // C++14
constexpr chrono::nanoseconds operator ""ns(unsigned long long); // C++14
constexpr chrono::duration<unspecified , nano> operator ""ns(long double); // C++14
constexpr chrono::day operator ""d(unsigned long long d) noexcept; // C++20
constexpr chrono::year operator ""y(unsigned long long y) noexcept; // C++20
} // chrono_literals
} // literals
} // std
*/
#include <__config>
#include <ctime>
#include <type_traits>
#include <ratio>
#include <limits>
#include <version>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_PUSH_MACROS
#include <__undef_macros>
#ifndef _LIBCPP_CXX03_LANG
_LIBCPP_BEGIN_NAMESPACE_FILESYSTEM
struct _FilesystemClock;
_LIBCPP_END_NAMESPACE_FILESYSTEM
#endif // !_LIBCPP_CXX03_LANG
_LIBCPP_BEGIN_NAMESPACE_STD
namespace chrono
{
template <class _Rep, class _Period = ratio<1> > class _LIBCPP_TEMPLATE_VIS duration;
template <class _Tp>
struct __is_duration : false_type {};
template <class _Rep, class _Period>
struct __is_duration<duration<_Rep, _Period> > : true_type {};
template <class _Rep, class _Period>
struct __is_duration<const duration<_Rep, _Period> > : true_type {};
template <class _Rep, class _Period>
struct __is_duration<volatile duration<_Rep, _Period> > : true_type {};
template <class _Rep, class _Period>
struct __is_duration<const volatile duration<_Rep, _Period> > : true_type {};
} // chrono
template <class _Rep1, class _Period1, class _Rep2, class _Period2>
struct _LIBCPP_TEMPLATE_VIS common_type<chrono::duration<_Rep1, _Period1>,
chrono::duration<_Rep2, _Period2> >
{
typedef chrono::duration<typename common_type<_Rep1, _Rep2>::type,
typename __ratio_gcd<_Period1, _Period2>::type> type;
};
namespace chrono {
// duration_cast
template <class _FromDuration, class _ToDuration,
class _Period = typename ratio_divide<typename _FromDuration::period, typename _ToDuration::period>::type,
bool = _Period::num == 1,
bool = _Period::den == 1>
struct __duration_cast;
template <class _FromDuration, class _ToDuration, class _Period>
struct __duration_cast<_FromDuration, _ToDuration, _Period, true, true>
{
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
_ToDuration operator()(const _FromDuration& __fd) const
{
return _ToDuration(static_cast<typename _ToDuration::rep>(__fd.count()));
}
};
template <class _FromDuration, class _ToDuration, class _Period>
struct __duration_cast<_FromDuration, _ToDuration, _Period, true, false>
{
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
_ToDuration operator()(const _FromDuration& __fd) const
{
typedef typename common_type<typename _ToDuration::rep, typename _FromDuration::rep, intmax_t>::type _Ct;
return _ToDuration(static_cast<typename _ToDuration::rep>(
static_cast<_Ct>(__fd.count()) / static_cast<_Ct>(_Period::den)));
}
};
template <class _FromDuration, class _ToDuration, class _Period>
struct __duration_cast<_FromDuration, _ToDuration, _Period, false, true>
{
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
_ToDuration operator()(const _FromDuration& __fd) const
{
typedef typename common_type<typename _ToDuration::rep, typename _FromDuration::rep, intmax_t>::type _Ct;
return _ToDuration(static_cast<typename _ToDuration::rep>(
static_cast<_Ct>(__fd.count()) * static_cast<_Ct>(_Period::num)));
}
};
template <class _FromDuration, class _ToDuration, class _Period>
struct __duration_cast<_FromDuration, _ToDuration, _Period, false, false>
{
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
_ToDuration operator()(const _FromDuration& __fd) const
{
typedef typename common_type<typename _ToDuration::rep, typename _FromDuration::rep, intmax_t>::type _Ct;
return _ToDuration(static_cast<typename _ToDuration::rep>(
static_cast<_Ct>(__fd.count()) * static_cast<_Ct>(_Period::num)
/ static_cast<_Ct>(_Period::den)));
}
};
template <class _ToDuration, class _Rep, class _Period>
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_CONSTEXPR
typename enable_if
<
__is_duration<_ToDuration>::value,
_ToDuration
>::type
duration_cast(const duration<_Rep, _Period>& __fd)
{
return __duration_cast<duration<_Rep, _Period>, _ToDuration>()(__fd);
}
template <class _Rep>
struct _LIBCPP_TEMPLATE_VIS treat_as_floating_point : is_floating_point<_Rep> {};
#if _LIBCPP_STD_VER > 14 && !defined(_LIBCPP_HAS_NO_VARIABLE_TEMPLATES)
template <class _Rep>
_LIBCPP_INLINE_VAR _LIBCPP_CONSTEXPR bool treat_as_floating_point_v
= treat_as_floating_point<_Rep>::value;
#endif
template <class _Rep>
struct _LIBCPP_TEMPLATE_VIS duration_values
{
public:
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR _Rep zero() _NOEXCEPT {return _Rep(0);}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR _Rep max() _NOEXCEPT {return numeric_limits<_Rep>::max();}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR _Rep min() _NOEXCEPT {return numeric_limits<_Rep>::lowest();}
};
#if _LIBCPP_STD_VER > 14
template <class _ToDuration, class _Rep, class _Period>
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
typename enable_if
<
__is_duration<_ToDuration>::value,
_ToDuration
>::type
floor(const duration<_Rep, _Period>& __d)
{
_ToDuration __t = duration_cast<_ToDuration>(__d);
if (__t > __d)
__t = __t - _ToDuration{1};
return __t;
}
template <class _ToDuration, class _Rep, class _Period>
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
typename enable_if
<
__is_duration<_ToDuration>::value,
_ToDuration
>::type
ceil(const duration<_Rep, _Period>& __d)
{
_ToDuration __t = duration_cast<_ToDuration>(__d);
if (__t < __d)
__t = __t + _ToDuration{1};
return __t;
}
template <class _ToDuration, class _Rep, class _Period>
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
typename enable_if
<
__is_duration<_ToDuration>::value,
_ToDuration
>::type
round(const duration<_Rep, _Period>& __d)
{
_ToDuration __lower = floor<_ToDuration>(__d);
_ToDuration __upper = __lower + _ToDuration{1};
auto __lowerDiff = __d - __lower;
auto __upperDiff = __upper - __d;
if (__lowerDiff < __upperDiff)
return __lower;
if (__lowerDiff > __upperDiff)
return __upper;
return __lower.count() & 1 ? __upper : __lower;
}
#endif
// duration
template <class _Rep, class _Period>
class _LIBCPP_TEMPLATE_VIS duration
{
static_assert(!__is_duration<_Rep>::value, "A duration representation can not be a duration");
static_assert(__is_ratio<_Period>::value, "Second template parameter of duration must be a std::ratio");
static_assert(_Period::num > 0, "duration period must be positive");
template <class _R1, class _R2>
struct __no_overflow
{
private:
static const intmax_t __gcd_n1_n2 = __static_gcd<_R1::num, _R2::num>::value;
static const intmax_t __gcd_d1_d2 = __static_gcd<_R1::den, _R2::den>::value;
static const intmax_t __n1 = _R1::num / __gcd_n1_n2;
static const intmax_t __d1 = _R1::den / __gcd_d1_d2;
static const intmax_t __n2 = _R2::num / __gcd_n1_n2;
static const intmax_t __d2 = _R2::den / __gcd_d1_d2;
static const intmax_t max = -((intmax_t(1) << (sizeof(intmax_t) * CHAR_BIT - 1)) + 1);
template <intmax_t _Xp, intmax_t _Yp, bool __overflow>
struct __mul // __overflow == false
{
static const intmax_t value = _Xp * _Yp;
};
template <intmax_t _Xp, intmax_t _Yp>
struct __mul<_Xp, _Yp, true>
{
static const intmax_t value = 1;
};
public:
static const bool value = (__n1 <= max / __d2) && (__n2 <= max / __d1);
typedef ratio<__mul<__n1, __d2, !value>::value,
__mul<__n2, __d1, !value>::value> type;
};
public:
typedef _Rep rep;
typedef typename _Period::type period;
private:
rep __rep_;
public:
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
#ifndef _LIBCPP_CXX03_LANG
duration() = default;
#else
duration() {}
#endif
template <class _Rep2>
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
explicit duration(const _Rep2& __r,
typename enable_if
<
is_convertible<_Rep2, rep>::value &&
(treat_as_floating_point<rep>::value ||
!treat_as_floating_point<_Rep2>::value)
>::type* = 0)
: __rep_(__r) {}
// conversions
template <class _Rep2, class _Period2>
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
duration(const duration<_Rep2, _Period2>& __d,
typename enable_if
<
__no_overflow<_Period2, period>::value && (
treat_as_floating_point<rep>::value ||
(__no_overflow<_Period2, period>::type::den == 1 &&
!treat_as_floating_point<_Rep2>::value))
>::type* = 0)
: __rep_(_VSTD::chrono::duration_cast<duration>(__d).count()) {}
// observer
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR rep count() const {return __rep_;}
// arithmetic
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR typename common_type<duration>::type operator+() const {return typename common_type<duration>::type(*this);}
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR typename common_type<duration>::type operator-() const {return typename common_type<duration>::type(-__rep_);}
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator++() {++__rep_; return *this;}
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration operator++(int) {return duration(__rep_++);}
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator--() {--__rep_; return *this;}
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration operator--(int) {return duration(__rep_--);}
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator+=(const duration& __d) {__rep_ += __d.count(); return *this;}
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator-=(const duration& __d) {__rep_ -= __d.count(); return *this;}
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator*=(const rep& rhs) {__rep_ *= rhs; return *this;}
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator/=(const rep& rhs) {__rep_ /= rhs; return *this;}
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator%=(const rep& rhs) {__rep_ %= rhs; return *this;}
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator%=(const duration& rhs) {__rep_ %= rhs.count(); return *this;}
// special values
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR duration zero() _NOEXCEPT {return duration(duration_values<rep>::zero());}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR duration min() _NOEXCEPT {return duration(duration_values<rep>::min());}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR duration max() _NOEXCEPT {return duration(duration_values<rep>::max());}
};
typedef duration<long long, nano> nanoseconds;
typedef duration<long long, micro> microseconds;
typedef duration<long long, milli> milliseconds;
typedef duration<long long > seconds;
typedef duration< long, ratio< 60> > minutes;
typedef duration< long, ratio<3600> > hours;
#if _LIBCPP_STD_VER > 17
typedef duration< int, ratio_multiply<ratio<24>, hours::period>> days;
typedef duration< int, ratio_multiply<ratio<7>, days::period>> weeks;
typedef duration< int, ratio_multiply<ratio<146097, 400>, days::period>> years;
typedef duration< int, ratio_divide<years::period, ratio<12>>> months;
#endif
// Duration ==
template <class _LhsDuration, class _RhsDuration>
struct __duration_eq
{
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
bool operator()(const _LhsDuration& __lhs, const _RhsDuration& __rhs) const
{
typedef typename common_type<_LhsDuration, _RhsDuration>::type _Ct;
return _Ct(__lhs).count() == _Ct(__rhs).count();
}
};
template <class _LhsDuration>
struct __duration_eq<_LhsDuration, _LhsDuration>
{
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
bool operator()(const _LhsDuration& __lhs, const _LhsDuration& __rhs) const
{return __lhs.count() == __rhs.count();}
};
template <class _Rep1, class _Period1, class _Rep2, class _Period2>
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_CONSTEXPR
bool
operator==(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs)
{
return __duration_eq<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >()(__lhs, __rhs);
}
// Duration !=
template <class _Rep1, class _Period1, class _Rep2, class _Period2>
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_CONSTEXPR
bool
operator!=(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs)
{
return !(__lhs == __rhs);
}
// Duration <
template <class _LhsDuration, class _RhsDuration>
struct __duration_lt
{
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
bool operator()(const _LhsDuration& __lhs, const _RhsDuration& __rhs) const
{
typedef typename common_type<_LhsDuration, _RhsDuration>::type _Ct;
return _Ct(__lhs).count() < _Ct(__rhs).count();
}
};
template <class _LhsDuration>
struct __duration_lt<_LhsDuration, _LhsDuration>
{
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
bool operator()(const _LhsDuration& __lhs, const _LhsDuration& __rhs) const
{return __lhs.count() < __rhs.count();}
};
template <class _Rep1, class _Period1, class _Rep2, class _Period2>
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_CONSTEXPR
bool
operator< (const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs)
{
return __duration_lt<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >()(__lhs, __rhs);
}
// Duration >
template <class _Rep1, class _Period1, class _Rep2, class _Period2>
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_CONSTEXPR
bool
operator> (const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs)
{
return __rhs < __lhs;
}
// Duration <=
template <class _Rep1, class _Period1, class _Rep2, class _Period2>
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_CONSTEXPR
bool
operator<=(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs)
{
return !(__rhs < __lhs);
}
// Duration >=
template <class _Rep1, class _Period1, class _Rep2, class _Period2>
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_CONSTEXPR
bool
operator>=(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs)
{
return !(__lhs < __rhs);
}
// Duration +
template <class _Rep1, class _Period1, class _Rep2, class _Period2>
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_CONSTEXPR
typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type
operator+(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs)
{
typedef typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type _Cd;
return _Cd(_Cd(__lhs).count() + _Cd(__rhs).count());
}
// Duration -
template <class _Rep1, class _Period1, class _Rep2, class _Period2>
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_CONSTEXPR
typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type
operator-(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs)
{
typedef typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type _Cd;
return _Cd(_Cd(__lhs).count() - _Cd(__rhs).count());
}
// Duration *
template <class _Rep1, class _Period, class _Rep2>
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_CONSTEXPR
typename enable_if
<
is_convertible<_Rep2, typename common_type<_Rep1, _Rep2>::type>::value,
duration<typename common_type<_Rep1, _Rep2>::type, _Period>
>::type
operator*(const duration<_Rep1, _Period>& __d, const _Rep2& __s)
{
typedef typename common_type<_Rep1, _Rep2>::type _Cr;
typedef duration<_Cr, _Period> _Cd;
return _Cd(_Cd(__d).count() * static_cast<_Cr>(__s));
}
template <class _Rep1, class _Period, class _Rep2>
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_CONSTEXPR
typename enable_if
<
is_convertible<_Rep1, typename common_type<_Rep1, _Rep2>::type>::value,
duration<typename common_type<_Rep1, _Rep2>::type, _Period>
>::type
operator*(const _Rep1& __s, const duration<_Rep2, _Period>& __d)
{
return __d * __s;
}
// Duration /
template <class _Rep1, class _Period, class _Rep2>
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_CONSTEXPR
typename enable_if
<
!__is_duration<_Rep2>::value &&
is_convertible<_Rep2, typename common_type<_Rep1, _Rep2>::type>::value,
duration<typename common_type<_Rep1, _Rep2>::type, _Period>
>::type
operator/(const duration<_Rep1, _Period>& __d, const _Rep2& __s)
{
typedef typename common_type<_Rep1, _Rep2>::type _Cr;
typedef duration<_Cr, _Period> _Cd;
return _Cd(_Cd(__d).count() / static_cast<_Cr>(__s));
}
template <class _Rep1, class _Period1, class _Rep2, class _Period2>
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_CONSTEXPR
typename common_type<_Rep1, _Rep2>::type
operator/(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs)
{
typedef typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type _Ct;
return _Ct(__lhs).count() / _Ct(__rhs).count();
}
// Duration %
template <class _Rep1, class _Period, class _Rep2>
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_CONSTEXPR
typename enable_if
<
!__is_duration<_Rep2>::value &&
is_convertible<_Rep2, typename common_type<_Rep1, _Rep2>::type>::value,
duration<typename common_type<_Rep1, _Rep2>::type, _Period>
>::type
operator%(const duration<_Rep1, _Period>& __d, const _Rep2& __s)
{
typedef typename common_type<_Rep1, _Rep2>::type _Cr;
typedef duration<_Cr, _Period> _Cd;
return _Cd(_Cd(__d).count() % static_cast<_Cr>(__s));
}
template <class _Rep1, class _Period1, class _Rep2, class _Period2>
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_CONSTEXPR
typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type
operator%(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs)
{
typedef typename common_type<_Rep1, _Rep2>::type _Cr;
typedef typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type _Cd;
return _Cd(static_cast<_Cr>(_Cd(__lhs).count()) % static_cast<_Cr>(_Cd(__rhs).count()));
}
//////////////////////////////////////////////////////////
///////////////////// time_point /////////////////////////
//////////////////////////////////////////////////////////
template <class _Clock, class _Duration = typename _Clock::duration>
class _LIBCPP_TEMPLATE_VIS time_point
{
static_assert(__is_duration<_Duration>::value,
"Second template parameter of time_point must be a std::chrono::duration");
public:
typedef _Clock clock;
typedef _Duration duration;
typedef typename duration::rep rep;
typedef typename duration::period period;
private:
duration __d_;
public:
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 time_point() : __d_(duration::zero()) {}
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 explicit time_point(const duration& __d) : __d_(__d) {}
// conversions
template <class _Duration2>
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
time_point(const time_point<clock, _Duration2>& t,
typename enable_if
<
is_convertible<_Duration2, duration>::value
>::type* = 0)
: __d_(t.time_since_epoch()) {}
// observer
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 duration time_since_epoch() const {return __d_;}
// arithmetic
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 time_point& operator+=(const duration& __d) {__d_ += __d; return *this;}
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 time_point& operator-=(const duration& __d) {__d_ -= __d; return *this;}
// special values
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR time_point min() _NOEXCEPT {return time_point(duration::min());}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR time_point max() _NOEXCEPT {return time_point(duration::max());}
};
} // chrono
template <class _Clock, class _Duration1, class _Duration2>
struct _LIBCPP_TEMPLATE_VIS common_type<chrono::time_point<_Clock, _Duration1>,
chrono::time_point<_Clock, _Duration2> >
{
typedef chrono::time_point<_Clock, typename common_type<_Duration1, _Duration2>::type> type;
};
namespace chrono {
template <class _ToDuration, class _Clock, class _Duration>
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
time_point<_Clock, _ToDuration>
time_point_cast(const time_point<_Clock, _Duration>& __t)
{
return time_point<_Clock, _ToDuration>(_VSTD::chrono::duration_cast<_ToDuration>(__t.time_since_epoch()));
}
#if _LIBCPP_STD_VER > 14
template <class _ToDuration, class _Clock, class _Duration>
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
typename enable_if
<
__is_duration<_ToDuration>::value,
time_point<_Clock, _ToDuration>
>::type
floor(const time_point<_Clock, _Duration>& __t)
{
return time_point<_Clock, _ToDuration>{floor<_ToDuration>(__t.time_since_epoch())};
}
template <class _ToDuration, class _Clock, class _Duration>
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
typename enable_if
<
__is_duration<_ToDuration>::value,
time_point<_Clock, _ToDuration>
>::type
ceil(const time_point<_Clock, _Duration>& __t)
{
return time_point<_Clock, _ToDuration>{ceil<_ToDuration>(__t.time_since_epoch())};
}
template <class _ToDuration, class _Clock, class _Duration>
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
typename enable_if
<
__is_duration<_ToDuration>::value,
time_point<_Clock, _ToDuration>
>::type
round(const time_point<_Clock, _Duration>& __t)
{
return time_point<_Clock, _ToDuration>{round<_ToDuration>(__t.time_since_epoch())};
}
template <class _Rep, class _Period>
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
typename enable_if
<
numeric_limits<_Rep>::is_signed,
duration<_Rep, _Period>
>::type
abs(duration<_Rep, _Period> __d)
{
return __d >= __d.zero() ? +__d : -__d;
}
#endif
// time_point ==
template <class _Clock, class _Duration1, class _Duration2>
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
bool
operator==(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs)
{
return __lhs.time_since_epoch() == __rhs.time_since_epoch();
}
// time_point !=
template <class _Clock, class _Duration1, class _Duration2>
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
bool
operator!=(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs)
{
return !(__lhs == __rhs);
}
// time_point <
template <class _Clock, class _Duration1, class _Duration2>
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
bool
operator<(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs)
{
return __lhs.time_since_epoch() < __rhs.time_since_epoch();
}
// time_point >
template <class _Clock, class _Duration1, class _Duration2>
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
bool
operator>(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs)
{
return __rhs < __lhs;
}
// time_point <=
template <class _Clock, class _Duration1, class _Duration2>
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
bool
operator<=(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs)
{
return !(__rhs < __lhs);
}
// time_point >=
template <class _Clock, class _Duration1, class _Duration2>
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
bool
operator>=(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs)
{
return !(__lhs < __rhs);
}
// time_point operator+(time_point x, duration y);
template <class _Clock, class _Duration1, class _Rep2, class _Period2>
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
time_point<_Clock, typename common_type<_Duration1, duration<_Rep2, _Period2> >::type>
operator+(const time_point<_Clock, _Duration1>& __lhs, const duration<_Rep2, _Period2>& __rhs)
{
typedef time_point<_Clock, typename common_type<_Duration1, duration<_Rep2, _Period2> >::type> _Tr;
return _Tr (__lhs.time_since_epoch() + __rhs);
}
// time_point operator+(duration x, time_point y);
template <class _Rep1, class _Period1, class _Clock, class _Duration2>
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
time_point<_Clock, typename common_type<duration<_Rep1, _Period1>, _Duration2>::type>
operator+(const duration<_Rep1, _Period1>& __lhs, const time_point<_Clock, _Duration2>& __rhs)
{
return __rhs + __lhs;
}
// time_point operator-(time_point x, duration y);
template <class _Clock, class _Duration1, class _Rep2, class _Period2>
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
time_point<_Clock, typename common_type<_Duration1, duration<_Rep2, _Period2> >::type>
operator-(const time_point<_Clock, _Duration1>& __lhs, const duration<_Rep2, _Period2>& __rhs)
{
typedef time_point<_Clock, typename common_type<_Duration1, duration<_Rep2, _Period2> >::type> _Ret;
return _Ret(__lhs.time_since_epoch() -__rhs);
}
// duration operator-(time_point x, time_point y);
template <class _Clock, class _Duration1, class _Duration2>
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
typename common_type<_Duration1, _Duration2>::type
operator-(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs)
{
return __lhs.time_since_epoch() - __rhs.time_since_epoch();
}
//////////////////////////////////////////////////////////
/////////////////////// clocks ///////////////////////////
//////////////////////////////////////////////////////////
class _LIBCPP_TYPE_VIS system_clock
{
public:
typedef microseconds duration;
typedef duration::rep rep;
typedef duration::period period;
typedef chrono::time_point<system_clock> time_point;
static _LIBCPP_CONSTEXPR_AFTER_CXX11 const bool is_steady = false;
static time_point now() _NOEXCEPT;
static time_t to_time_t (const time_point& __t) _NOEXCEPT;
static time_point from_time_t(time_t __t) _NOEXCEPT;
};
#ifndef _LIBCPP_HAS_NO_MONOTONIC_CLOCK
class _LIBCPP_TYPE_VIS steady_clock
{
public:
typedef nanoseconds duration;
typedef duration::rep rep;
typedef duration::period period;
typedef chrono::time_point<steady_clock, duration> time_point;
static _LIBCPP_CONSTEXPR_AFTER_CXX11 const bool is_steady = true;
static time_point now() _NOEXCEPT;
};
typedef steady_clock high_resolution_clock;
#else
typedef system_clock high_resolution_clock;
#endif
#if _LIBCPP_STD_VER > 17
// [time.clock.file], type file_clock
using file_clock = _VSTD_FS::_FilesystemClock;
template<class _Duration>
using file_time = time_point<file_clock, _Duration>;
template <class _Duration>
using sys_time = time_point<system_clock, _Duration>;
using sys_seconds = sys_time<seconds>;
using sys_days = sys_time<days>;
struct local_t {};
template<class Duration>
using local_time = time_point<local_t, Duration>;
using local_seconds = local_time<seconds>;
using local_days = local_time<days>;
struct last_spec { explicit last_spec() = default; };
class day {
private:
unsigned char __d;
public:
day() = default;
explicit inline constexpr day(unsigned __val) noexcept : __d(static_cast<unsigned char>(__val)) {}
inline constexpr day& operator++() noexcept { ++__d; return *this; }
inline constexpr day operator++(int) noexcept { day __tmp = *this; ++(*this); return __tmp; }
inline constexpr day& operator--() noexcept { --__d; return *this; }
inline constexpr day operator--(int) noexcept { day __tmp = *this; --(*this); return __tmp; }
constexpr day& operator+=(const days& __dd) noexcept;
constexpr day& operator-=(const days& __dd) noexcept;
explicit inline constexpr operator unsigned() const noexcept { return __d; }
inline constexpr bool ok() const noexcept { return __d >= 1 && __d <= 31; }
};
inline constexpr
bool operator==(const day& __lhs, const day& __rhs) noexcept
{ return static_cast<unsigned>(__lhs) == static_cast<unsigned>(__rhs); }
inline constexpr
bool operator!=(const day& __lhs, const day& __rhs) noexcept
{ return !(__lhs == __rhs); }
inline constexpr
bool operator< (const day& __lhs, const day& __rhs) noexcept
{ return static_cast<unsigned>(__lhs) < static_cast<unsigned>(__rhs); }
inline constexpr
bool operator> (const day& __lhs, const day& __rhs) noexcept
{ return __rhs < __lhs; }
inline constexpr
bool operator<=(const day& __lhs, const day& __rhs) noexcept
{ return !(__rhs < __lhs);}
inline constexpr
bool operator>=(const day& __lhs, const day& __rhs) noexcept
{ return !(__lhs < __rhs); }
inline constexpr
day operator+ (const day& __lhs, const days& __rhs) noexcept
{ return day(static_cast<unsigned>(__lhs) + __rhs.count()); }
inline constexpr
day operator+ (const days& __lhs, const day& __rhs) noexcept
{ return __rhs + __lhs; }
inline constexpr
day operator- (const day& __lhs, const days& __rhs) noexcept
{ return __lhs + -__rhs; }
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))); }
inline constexpr day& day::operator+=(const days& __dd) noexcept
{ *this = *this + __dd; return *this; }
inline constexpr day& day::operator-=(const days& __dd) noexcept
{ *this = *this - __dd; return *this; }
class month {
private:
unsigned char __m;
public:
month() = default;
explicit inline constexpr month(unsigned __val) noexcept : __m(static_cast<unsigned char>(__val)) {}
inline constexpr month& operator++() noexcept { ++__m; return *this; }
inline constexpr month operator++(int) noexcept { month __tmp = *this; ++(*this); return __tmp; }
inline constexpr month& operator--() noexcept { --__m; return *this; }
inline constexpr month operator--(int) noexcept { month __tmp = *this; --(*this); return __tmp; }
constexpr month& operator+=(const months& __m1) noexcept;
constexpr month& operator-=(const months& __m1) noexcept;
explicit inline constexpr operator unsigned() const noexcept { return __m; }
inline constexpr bool ok() const noexcept { return __m >= 1 && __m <= 12; }
};
inline constexpr
bool operator==(const month& __lhs, const month& __rhs) noexcept
{ return static_cast<unsigned>(__lhs) == static_cast<unsigned>(__rhs); }
inline constexpr
bool operator!=(const month& __lhs, const month& __rhs) noexcept
{ return !(__lhs == __rhs); }
inline constexpr
bool operator< (const month& __lhs, const month& __rhs) noexcept
{ return static_cast<unsigned>(__lhs) < static_cast<unsigned>(__rhs); }
inline constexpr
bool operator> (const month& __lhs, const month& __rhs) noexcept
{ return __rhs < __lhs; }
inline constexpr
bool operator<=(const month& __lhs, const month& __rhs) noexcept
{ return !(__rhs < __lhs); }
inline constexpr
bool operator>=(const month& __lhs, const month& __rhs) noexcept
{ return !(__lhs < __rhs); }
inline constexpr
month operator+ (const month& __lhs, const months& __rhs) noexcept
{
auto const __mu = static_cast<long long>(static_cast<unsigned>(__lhs)) + (__rhs.count() - 1);
auto const __yr = (__mu >= 0 ? __mu : __mu - 11) / 12;
return month{static_cast<unsigned>(__mu - __yr * 12 + 1)};
}
inline constexpr
month operator+ (const months& __lhs, const month& __rhs) noexcept
{ return __rhs + __lhs; }
inline constexpr
month operator- (const month& __lhs, const months& __rhs) noexcept
{ return __lhs + -__rhs; }
inline constexpr
months operator-(const month& __lhs, const month& __rhs) noexcept
{
auto const __dm = static_cast<unsigned>(__lhs) - static_cast<unsigned>(__rhs);
return months(__dm <= 11 ? __dm : __dm + 12);
}
inline constexpr month& month::operator+=(const months& __dm) noexcept
{ *this = *this + __dm; return *this; }
inline constexpr month& month::operator-=(const months& __dm) noexcept
{ *this = *this - __dm; return *this; }
class year {
private:
short __y;
public:
year() = default;
explicit inline constexpr year(int __val) noexcept : __y(static_cast<short>(__val)) {}
inline constexpr year& operator++() noexcept { ++__y; return *this; }
inline constexpr year operator++(int) noexcept { year __tmp = *this; ++(*this); return __tmp; }
inline constexpr year& operator--() noexcept { --__y; return *this; }
inline constexpr year operator--(int) noexcept { year __tmp = *this; --(*this); return __tmp; }
constexpr year& operator+=(const years& __dy) noexcept;
constexpr year& operator-=(const years& __dy) noexcept;
inline constexpr year operator+() const noexcept { return *this; }
inline constexpr year operator-() const noexcept { return year{-__y}; }
inline constexpr bool is_leap() const noexcept { return __y % 4 == 0 && (__y % 100 != 0 || __y % 400 == 0); }
explicit inline constexpr operator int() const noexcept { return __y; }
constexpr bool ok() const noexcept;
static inline constexpr year min() noexcept { return year{-32767}; }
static inline constexpr year max() noexcept { return year{ 32767}; }
};
inline constexpr
bool operator==(const year& __lhs, const year& __rhs) noexcept
{ return static_cast<int>(__lhs) == static_cast<int>(__rhs); }
inline constexpr
bool operator!=(const year& __lhs, const year& __rhs) noexcept
{ return !(__lhs == __rhs); }
inline constexpr
bool operator< (const year& __lhs, const year& __rhs) noexcept
{ return static_cast<int>(__lhs) < static_cast<int>(__rhs); }
inline constexpr
bool operator> (const year& __lhs, const year& __rhs) noexcept
{ return __rhs < __lhs; }
inline constexpr
bool operator<=(const year& __lhs, const year& __rhs) noexcept
{ return !(__rhs < __lhs); }
inline constexpr
bool operator>=(const year& __lhs, const year& __rhs) noexcept
{ return !(__lhs < __rhs); }
inline constexpr
year operator+ (const year& __lhs, const years& __rhs) noexcept
{ return year(static_cast<int>(__lhs) + __rhs.count()); }
inline constexpr
year operator+ (const years& __lhs, const year& __rhs) noexcept
{ return __rhs + __lhs; }
inline constexpr
year operator- (const year& __lhs, const years& __rhs) noexcept
{ return __lhs + -__rhs; }
inline constexpr
years operator-(const year& __lhs, const year& __rhs) noexcept
{ return years{static_cast<int>(__lhs) - static_cast<int>(__rhs)}; }
inline constexpr year& year::operator+=(const years& __dy) noexcept
{ *this = *this + __dy; return *this; }
inline constexpr year& year::operator-=(const years& __dy) noexcept
{ *this = *this - __dy; return *this; }
inline constexpr bool year::ok() const noexcept
{ return static_cast<int>(min()) <= __y && __y <= static_cast<int>(max()); }
class weekday_indexed;
class weekday_last;
class weekday {
private:
unsigned char __wd;
public:
weekday() = default;
inline explicit constexpr weekday(unsigned __val) noexcept : __wd(static_cast<unsigned char>(__val == 7 ? 0 : __val)) {}
inline constexpr weekday(const sys_days& __sysd) noexcept
: __wd(__weekday_from_days(__sysd.time_since_epoch().count())) {}
inline explicit constexpr weekday(const local_days& __locd) noexcept
: __wd(__weekday_from_days(__locd.time_since_epoch().count())) {}
inline constexpr weekday& operator++() noexcept { __wd = (__wd == 6 ? 0 : __wd + 1); return *this; }
inline constexpr weekday operator++(int) noexcept { weekday __tmp = *this; ++(*this); return __tmp; }
inline constexpr weekday& operator--() noexcept { __wd = (__wd == 0 ? 6 : __wd - 1); return *this; }
inline constexpr weekday operator--(int) noexcept { weekday __tmp = *this; --(*this); return __tmp; }
constexpr weekday& operator+=(const days& __dd) noexcept;
constexpr weekday& operator-=(const days& __dd) noexcept;
inline constexpr unsigned c_encoding() const noexcept { return __wd; }
inline constexpr unsigned iso_encoding() const noexcept { return __wd == 0u ? 7 : __wd; }
inline constexpr bool ok() const noexcept { return __wd <= 6; }
constexpr weekday_indexed operator[](unsigned __index) const noexcept;
constexpr weekday_last operator[](last_spec) const noexcept;
static constexpr unsigned char __weekday_from_days(int __days) noexcept;
};
// https://howardhinnant.github.io/date_algorithms.html#weekday_from_days
inline constexpr
unsigned char weekday::__weekday_from_days(int __days) noexcept
{
return static_cast<unsigned char>(
static_cast<unsigned>(__days >= -4 ? (__days+4) % 7 : (__days+5) % 7 + 6)
);
}
inline constexpr
bool operator==(const weekday& __lhs, const weekday& __rhs) noexcept
{ return __lhs.c_encoding() == __rhs.c_encoding(); }
inline constexpr
bool operator!=(const weekday& __lhs, const weekday& __rhs) noexcept
{ return !(__lhs == __rhs); }
inline constexpr
bool operator< (const weekday& __lhs, const weekday& __rhs) noexcept
{ return __lhs.c_encoding() < __rhs.c_encoding(); }
inline constexpr
bool operator> (const weekday& __lhs, const weekday& __rhs) noexcept
{ return __rhs < __lhs; }
inline constexpr
bool operator<=(const weekday& __lhs, const weekday& __rhs) noexcept
{ return !(__rhs < __lhs);}
inline constexpr
bool operator>=(const weekday& __lhs, const weekday& __rhs) noexcept
{ return !(__lhs < __rhs); }
constexpr weekday operator+(const weekday& __lhs, const days& __rhs) noexcept
{
auto const __mu = static_cast<long long>(__lhs.c_encoding()) + __rhs.count();
auto const __yr = (__mu >= 0 ? __mu : __mu - 6) / 7;
return weekday{static_cast<unsigned>(__mu - __yr * 7)};
}
constexpr weekday operator+(const days& __lhs, const weekday& __rhs) noexcept
{ return __rhs + __lhs; }
constexpr weekday operator-(const weekday& __lhs, const days& __rhs) noexcept
{ return __lhs + -__rhs; }
constexpr days operator-(const weekday& __lhs, const weekday& __rhs) noexcept
{
const int __wdu = __lhs.c_encoding() - __rhs.c_encoding();
const int __wk = (__wdu >= 0 ? __wdu : __wdu-6) / 7;
return days{__wdu - __wk * 7};
}
inline constexpr weekday& weekday::operator+=(const days& __dd) noexcept
{ *this = *this + __dd; return *this; }
inline constexpr weekday& weekday::operator-=(const days& __dd) noexcept
{ *this = *this - __dd; return *this; }
class weekday_indexed {
private:
_VSTD::chrono::weekday __wd;
unsigned char __idx;
public:
weekday_indexed() = default;
inline constexpr weekday_indexed(const _VSTD::chrono::weekday& __wdval, unsigned __idxval) noexcept
: __wd{__wdval}, __idx(__idxval) {}
inline constexpr _VSTD::chrono::weekday weekday() const noexcept { return __wd; }
inline constexpr unsigned index() const noexcept { return __idx; }
inline constexpr bool ok() const noexcept { return __wd.ok() && __idx >= 1 && __idx <= 5; }
};
inline constexpr
bool operator==(const weekday_indexed& __lhs, const weekday_indexed& __rhs) noexcept
{ return __lhs.weekday() == __rhs.weekday() && __lhs.index() == __rhs.index(); }
inline constexpr
bool operator!=(const weekday_indexed& __lhs, const weekday_indexed& __rhs) noexcept
{ return !(__lhs == __rhs); }
class weekday_last {
private:
_VSTD::chrono::weekday __wd;
public:
explicit constexpr weekday_last(const _VSTD::chrono::weekday& __val) noexcept
: __wd{__val} {}
constexpr _VSTD::chrono::weekday weekday() const noexcept { return __wd; }
constexpr bool ok() const noexcept { return __wd.ok(); }
};
inline constexpr
bool operator==(const weekday_last& __lhs, const weekday_last& __rhs) noexcept
{ return __lhs.weekday() == __rhs.weekday(); }
inline constexpr
bool operator!=(const weekday_last& __lhs, const weekday_last& __rhs) noexcept
{ return !(__lhs == __rhs); }
inline constexpr
weekday_indexed weekday::operator[](unsigned __index) const noexcept { return weekday_indexed{*this, __index}; }
inline constexpr
weekday_last weekday::operator[](last_spec) const noexcept { return weekday_last{*this}; }
inline constexpr last_spec last{};
inline constexpr weekday Sunday{0};
inline constexpr weekday Monday{1};
inline constexpr weekday Tuesday{2};
inline constexpr weekday Wednesday{3};
inline constexpr weekday Thursday{4};
inline constexpr weekday Friday{5};
inline constexpr weekday Saturday{6};
inline constexpr month January{1};
inline constexpr month February{2};
inline constexpr month March{3};
inline constexpr month April{4};
inline constexpr month May{5};
inline constexpr month June{6};
inline constexpr month July{7};
inline constexpr month August{8};
inline constexpr month September{9};
inline constexpr month October{10};
inline constexpr month November{11};
inline constexpr month December{12};
class month_day {
private:
chrono::month __m;
chrono::day __d;
public:
month_day() = default;
constexpr month_day(const chrono::month& __mval, const chrono::day& __dval) noexcept
: __m{__mval}, __d{__dval} {}
inline constexpr chrono::month month() const noexcept { return __m; }
inline constexpr chrono::day day() const noexcept { return __d; }
constexpr bool ok() const noexcept;
};
inline constexpr
bool month_day::ok() const noexcept
{
if (!__m.ok()) return false;
const unsigned __dval = static_cast<unsigned>(__d);
if (__dval < 1 || __dval > 31) return false;
if (__dval <= 29) return true;
// Now we've got either 30 or 31
const unsigned __mval = static_cast<unsigned>(__m);
if (__mval == 2) return false;
if (__mval == 4 || __mval == 6 || __mval == 9 || __mval == 11)
return __dval == 30;
return true;
}
inline constexpr
bool operator==(const month_day& __lhs, const month_day& __rhs) noexcept
{ return __lhs.month() == __rhs.month() && __lhs.day() == __rhs.day(); }
inline constexpr
bool operator!=(const month_day& __lhs, const month_day& __rhs) noexcept
{ return !(__lhs == __rhs); }
inline constexpr
month_day operator/(const month& __lhs, const day& __rhs) noexcept
{ return month_day{__lhs, __rhs}; }
constexpr
month_day operator/(const day& __lhs, const month& __rhs) noexcept
{ return __rhs / __lhs; }
inline constexpr
month_day operator/(const month& __lhs, int __rhs) noexcept
{ return __lhs / day(__rhs); }
constexpr
month_day operator/(int __lhs, const day& __rhs) noexcept
{ return month(__lhs) / __rhs; }
constexpr
month_day operator/(const day& __lhs, int __rhs) noexcept
{ return month(__rhs) / __lhs; }
inline constexpr
bool operator< (const month_day& __lhs, const month_day& __rhs) noexcept
{ return __lhs.month() != __rhs.month() ? __lhs.month() < __rhs.month() : __lhs.day() < __rhs.day(); }
inline constexpr
bool operator> (const month_day& __lhs, const month_day& __rhs) noexcept
{ return __rhs < __lhs; }
inline constexpr
bool operator<=(const month_day& __lhs, const month_day& __rhs) noexcept
{ return !(__rhs < __lhs);}
inline constexpr
bool operator>=(const month_day& __lhs, const month_day& __rhs) noexcept
{ return !(__lhs < __rhs); }
class month_day_last {
private:
chrono::month __m;
public:
explicit constexpr month_day_last(const chrono::month& __val) noexcept
: __m{__val} {}
inline constexpr chrono::month month() const noexcept { return __m; }
inline constexpr bool ok() const noexcept { return __m.ok(); }
};
inline constexpr
bool operator==(const month_day_last& __lhs, const month_day_last& __rhs) noexcept
{ return __lhs.month() == __rhs.month(); }
inline constexpr
bool operator!=(const month_day_last& __lhs, const month_day_last& __rhs) noexcept
{ return !(__lhs == __rhs); }
inline constexpr
bool operator< (const month_day_last& __lhs, const month_day_last& __rhs) noexcept
{ return __lhs.month() < __rhs.month(); }
inline constexpr
bool operator> (const month_day_last& __lhs, const month_day_last& __rhs) noexcept
{ return __rhs < __lhs; }
inline constexpr
bool operator<=(const month_day_last& __lhs, const month_day_last& __rhs) noexcept
{ return !(__rhs < __lhs);}
inline constexpr
bool operator>=(const month_day_last& __lhs, const month_day_last& __rhs) noexcept
{ return !(__lhs < __rhs); }
inline constexpr
month_day_last operator/(const month& __lhs, last_spec) noexcept
{ return month_day_last{__lhs}; }
inline constexpr
month_day_last operator/(last_spec, const month& __rhs) noexcept
{ return month_day_last{__rhs}; }
inline constexpr
month_day_last operator/(int __lhs, last_spec) noexcept
{ return month_day_last{month(__lhs)}; }
inline constexpr
month_day_last operator/(last_spec, int __rhs) noexcept
{ return month_day_last{month(__rhs)}; }
class month_weekday {
private:
chrono::month __m;
chrono::weekday_indexed __wdi;
public:
month_weekday() = default;
constexpr month_weekday(const chrono::month& __mval, const chrono::weekday_indexed& __wdival) noexcept
: __m{__mval}, __wdi{__wdival} {}
inline constexpr chrono::month month() const noexcept { return __m; }
inline constexpr chrono::weekday_indexed weekday_indexed() const noexcept { return __wdi; }
inline constexpr bool ok() const noexcept { return __m.ok() && __wdi.ok(); }
};
inline constexpr
bool operator==(const month_weekday& __lhs, const month_weekday& __rhs) noexcept
{ return __lhs.month() == __rhs.month() && __lhs.weekday_indexed() == __rhs.weekday_indexed(); }
inline constexpr
bool operator!=(const month_weekday& __lhs, const month_weekday& __rhs) noexcept
{ return !(__lhs == __rhs); }
inline constexpr
month_weekday operator/(const month& __lhs, const weekday_indexed& __rhs) noexcept
{ return month_weekday{__lhs, __rhs}; }
inline constexpr
month_weekday operator/(int __lhs, const weekday_indexed& __rhs) noexcept
{ return month_weekday{month(__lhs), __rhs}; }
inline constexpr
month_weekday operator/(const weekday_indexed& __lhs, const month& __rhs) noexcept
{ return month_weekday{__rhs, __lhs}; }
inline constexpr
month_weekday operator/(const weekday_indexed& __lhs, int __rhs) noexcept
{ return month_weekday{month(__rhs), __lhs}; }
class month_weekday_last {
chrono::month __m;
chrono::weekday_last __wdl;
public:
constexpr month_weekday_last(const chrono::month& __mval, const chrono::weekday_last& __wdlval) noexcept
: __m{__mval}, __wdl{__wdlval} {}
inline constexpr chrono::month month() const noexcept { return __m; }
inline constexpr chrono::weekday_last weekday_last() const noexcept { return __wdl; }
inline constexpr bool ok() const noexcept { return __m.ok() && __wdl.ok(); }
};
inline constexpr
bool operator==(const month_weekday_last& __lhs, const month_weekday_last& __rhs) noexcept
{ return __lhs.month() == __rhs.month() && __lhs.weekday_last() == __rhs.weekday_last(); }
inline constexpr
bool operator!=(const month_weekday_last& __lhs, const month_weekday_last& __rhs) noexcept
{ return !(__lhs == __rhs); }
inline constexpr
month_weekday_last operator/(const month& __lhs, const weekday_last& __rhs) noexcept
{ return month_weekday_last{__lhs, __rhs}; }
inline constexpr
month_weekday_last operator/(int __lhs, const weekday_last& __rhs) noexcept
{ return month_weekday_last{month(__lhs), __rhs}; }
inline constexpr
month_weekday_last operator/(const weekday_last& __lhs, const month& __rhs) noexcept
{ return month_weekday_last{__rhs, __lhs}; }
inline constexpr
month_weekday_last operator/(const weekday_last& __lhs, int __rhs) noexcept
{ return month_weekday_last{month(__rhs), __lhs}; }
class year_month {
chrono::year __y;
chrono::month __m;
public:
year_month() = default;
constexpr year_month(const chrono::year& __yval, const chrono::month& __mval) noexcept
: __y{__yval}, __m{__mval} {}
inline constexpr chrono::year year() const noexcept { return __y; }
inline constexpr chrono::month month() const noexcept { return __m; }
inline constexpr year_month& operator+=(const months& __dm) noexcept { this->__m += __dm; return *this; }
inline constexpr year_month& operator-=(const months& __dm) noexcept { this->__m -= __dm; return *this; }
inline constexpr year_month& operator+=(const years& __dy) noexcept { this->__y += __dy; return *this; }
inline constexpr year_month& operator-=(const years& __dy) noexcept { this->__y -= __dy; return *this; }
inline constexpr bool ok() const noexcept { return __y.ok() && __m.ok(); }
};
inline constexpr
year_month operator/(const year& __y, const month& __m) noexcept { return year_month{__y, __m}; }
inline constexpr
year_month operator/(const year& __y, int __m) noexcept { return year_month{__y, month(__m)}; }
inline constexpr
bool operator==(const year_month& __lhs, const year_month& __rhs) noexcept
{ return __lhs.year() == __rhs.year() && __lhs.month() == __rhs.month(); }
inline constexpr
bool operator!=(const year_month& __lhs, const year_month& __rhs) noexcept
{ return !(__lhs == __rhs); }
inline constexpr
bool operator< (const year_month& __lhs, const year_month& __rhs) noexcept
{ return __lhs.year() != __rhs.year() ? __lhs.year() < __rhs.year() : __lhs.month() < __rhs.month(); }
inline constexpr
bool operator> (const year_month& __lhs, const year_month& __rhs) noexcept
{ return __rhs < __lhs; }
inline constexpr
bool operator<=(const year_month& __lhs, const year_month& __rhs) noexcept
{ return !(__rhs < __lhs);}
inline constexpr
bool operator>=(const year_month& __lhs, const year_month& __rhs) noexcept
{ return !(__lhs < __rhs); }
constexpr year_month operator+(const year_month& __lhs, const months& __rhs) noexcept
{
int __dmi = static_cast<int>(static_cast<unsigned>(__lhs.month())) - 1 + __rhs.count();
const int __dy = (__dmi >= 0 ? __dmi : __dmi-11) / 12;
__dmi = __dmi - __dy * 12 + 1;
return (__lhs.year() + years(__dy)) / month(static_cast<unsigned>(__dmi));
}
constexpr year_month operator+(const months& __lhs, const year_month& __rhs) noexcept
{ return __rhs + __lhs; }
constexpr year_month operator+(const year_month& __lhs, const years& __rhs) noexcept
{ return (__lhs.year() + __rhs) / __lhs.month(); }
constexpr year_month operator+(const years& __lhs, const year_month& __rhs) noexcept
{ return __rhs + __lhs; }
constexpr months operator-(const year_month& __lhs, const year_month& __rhs) noexcept
{ return (__lhs.year() - __rhs.year()) + months(static_cast<unsigned>(__lhs.month()) - static_cast<unsigned>(__rhs.month())); }
constexpr year_month operator-(const year_month& __lhs, const months& __rhs) noexcept
{ return __lhs + -__rhs; }
constexpr year_month operator-(const year_month& __lhs, const years& __rhs) noexcept
{ return __lhs + -__rhs; }
class year_month_day_last;
class year_month_day {
private:
chrono::year __y;
chrono::month __m;
chrono::day __d;
public:
year_month_day() = default;
inline constexpr year_month_day(
const chrono::year& __yval, const chrono::month& __mval, const chrono::day& __dval) noexcept
: __y{__yval}, __m{__mval}, __d{__dval} {}
constexpr year_month_day(const year_month_day_last& __ymdl) noexcept;
inline constexpr year_month_day(const sys_days& __sysd) noexcept
: year_month_day(__from_days(__sysd.time_since_epoch())) {}
inline explicit constexpr year_month_day(const local_days& __locd) noexcept
: year_month_day(__from_days(__locd.time_since_epoch())) {}
constexpr year_month_day& operator+=(const months& __dm) noexcept;
constexpr year_month_day& operator-=(const months& __dm) noexcept;
constexpr year_month_day& operator+=(const years& __dy) noexcept;
constexpr year_month_day& operator-=(const years& __dy) noexcept;
inline constexpr chrono::year year() const noexcept { return __y; }
inline constexpr chrono::month month() const noexcept { return __m; }
inline constexpr chrono::day day() const noexcept { return __d; }
inline constexpr operator sys_days() const noexcept { return sys_days{__to_days()}; }
inline explicit constexpr operator local_days() const noexcept { return local_days{__to_days()}; }
constexpr bool ok() const noexcept;
static constexpr year_month_day __from_days(days __d) noexcept;
constexpr days __to_days() const noexcept;
};
// https://howardhinnant.github.io/date_algorithms.html#civil_from_days
inline constexpr
year_month_day
year_month_day::__from_days(days __d) noexcept
{
static_assert(std::numeric_limits<unsigned>::digits >= 18, "");
static_assert(std::numeric_limits<int>::digits >= 20 , "");
const int __z = __d.count() + 719468;
const int __era = (__z >= 0 ? __z : __z - 146096) / 146097;
const unsigned __doe = static_cast<unsigned>(__z - __era * 146097); // [0, 146096]
const unsigned __yoe = (__doe - __doe/1460 + __doe/36524 - __doe/146096) / 365; // [0, 399]
const int __yr = static_cast<int>(__yoe) + __era * 400;
const unsigned __doy = __doe - (365 * __yoe + __yoe/4 - __yoe/100); // [0, 365]
const unsigned __mp = (5 * __doy + 2)/153; // [0, 11]
const unsigned __dy = __doy - (153 * __mp + 2)/5 + 1; // [1, 31]
const unsigned __mth = __mp + (__mp < 10 ? 3 : -9); // [1, 12]
return year_month_day{chrono::year{__yr + (__mth <= 2)}, chrono::month{__mth}, chrono::day{__dy}};
}
// https://howardhinnant.github.io/date_algorithms.html#days_from_civil
inline constexpr days year_month_day::__to_days() const noexcept
{
static_assert(std::numeric_limits<unsigned>::digits >= 18, "");
static_assert(std::numeric_limits<int>::digits >= 20 , "");
const int __yr = static_cast<int>(__y) - (__m <= February);
const unsigned __mth = static_cast<unsigned>(__m);
const unsigned __dy = static_cast<unsigned>(__d);
const int __era = (__yr >= 0 ? __yr : __yr - 399) / 400;
const unsigned __yoe = static_cast<unsigned>(__yr - __era * 400); // [0, 399]
const unsigned __doy = (153 * (__mth + (__mth > 2 ? -3 : 9)) + 2) / 5 + __dy-1; // [0, 365]
const unsigned __doe = __yoe * 365 + __yoe/4 - __yoe/100 + __doy; // [0, 146096]
return days{__era * 146097 + static_cast<int>(__doe) - 719468};
}
inline constexpr
bool operator==(const year_month_day& __lhs, const year_month_day& __rhs) noexcept
{ return __lhs.year() == __rhs.year() && __lhs.month() == __rhs.month() && __lhs.day() == __rhs.day(); }
inline constexpr
bool operator!=(const year_month_day& __lhs, const year_month_day& __rhs) noexcept
{ return !(__lhs == __rhs); }
inline constexpr
bool operator< (const year_month_day& __lhs, const year_month_day& __rhs) noexcept
{
if (__lhs.year() < __rhs.year()) return true;
if (__lhs.year() > __rhs.year()) return false;
if (__lhs.month() < __rhs.month()) return true;
if (__lhs.month() > __rhs.month()) return false;
return __lhs.day() < __rhs.day();
}
inline constexpr
bool operator> (const year_month_day& __lhs, const year_month_day& __rhs) noexcept
{ return __rhs < __lhs; }
inline constexpr
bool operator<=(const year_month_day& __lhs, const year_month_day& __rhs) noexcept
{ return !(__rhs < __lhs);}
inline constexpr
bool operator>=(const year_month_day& __lhs, const year_month_day& __rhs) noexcept
{ return !(__lhs < __rhs); }
inline constexpr
year_month_day operator/(const year_month& __lhs, const day& __rhs) noexcept
{ return year_month_day{__lhs.year(), __lhs.month(), __rhs}; }
inline constexpr
year_month_day operator/(const year_month& __lhs, int __rhs) noexcept
{ return __lhs / day(__rhs); }
inline constexpr
year_month_day operator/(const year& __lhs, const month_day& __rhs) noexcept
{ return __lhs / __rhs.month() / __rhs.day(); }
inline constexpr
year_month_day operator/(int __lhs, const month_day& __rhs) noexcept
{ return year(__lhs) / __rhs; }
inline constexpr
year_month_day operator/(const month_day& __lhs, const year& __rhs) noexcept
{ return __rhs / __lhs; }
inline constexpr
year_month_day operator/(const month_day& __lhs, int __rhs) noexcept
{ return year(__rhs) / __lhs; }
inline constexpr
year_month_day operator+(const year_month_day& __lhs, const months& __rhs) noexcept
{ return (__lhs.year()/__lhs.month() + __rhs)/__lhs.day(); }
inline constexpr
year_month_day operator+(const months& __lhs, const year_month_day& __rhs) noexcept
{ return __rhs + __lhs; }
inline constexpr
year_month_day operator-(const year_month_day& __lhs, const months& __rhs) noexcept
{ return __lhs + -__rhs; }
inline constexpr
year_month_day operator+(const year_month_day& __lhs, const years& __rhs) noexcept
{ return (__lhs.year() + __rhs) / __lhs.month() / __lhs.day(); }
inline constexpr
year_month_day operator+(const years& __lhs, const year_month_day& __rhs) noexcept
{ return __rhs + __lhs; }
inline constexpr
year_month_day operator-(const year_month_day& __lhs, const years& __rhs) noexcept
{ return __lhs + -__rhs; }
inline constexpr year_month_day& year_month_day::operator+=(const months& __dm) noexcept { *this = *this + __dm; return *this; }
inline constexpr year_month_day& year_month_day::operator-=(const months& __dm) noexcept { *this = *this - __dm; return *this; }
inline constexpr year_month_day& year_month_day::operator+=(const years& __dy) noexcept { *this = *this + __dy; return *this; }
inline constexpr year_month_day& year_month_day::operator-=(const years& __dy) noexcept { *this = *this - __dy; return *this; }
class year_month_day_last {
private:
chrono::year __y;
chrono::month_day_last __mdl;
public:
constexpr year_month_day_last(const year& __yval, const month_day_last& __mdlval) noexcept
: __y{__yval}, __mdl{__mdlval} {}
constexpr year_month_day_last& operator+=(const months& __m) noexcept;
constexpr year_month_day_last& operator-=(const months& __m) noexcept;
constexpr year_month_day_last& operator+=(const years& __y) noexcept;
constexpr year_month_day_last& operator-=(const years& __y) noexcept;
inline constexpr chrono::year year() const noexcept { return __y; }
inline constexpr chrono::month month() const noexcept { return __mdl.month(); }
inline constexpr chrono::month_day_last month_day_last() const noexcept { return __mdl; }
constexpr chrono::day day() const noexcept;
inline constexpr operator sys_days() const noexcept { return sys_days{year()/month()/day()}; }
inline explicit constexpr operator local_days() const noexcept { return local_days{year()/month()/day()}; }
inline constexpr bool ok() const noexcept { return __y.ok() && __mdl.ok(); }
};
inline constexpr
chrono::day year_month_day_last::day() const noexcept
{
constexpr chrono::day __d[] =
{
chrono::day(31), chrono::day(28), chrono::day(31),
chrono::day(30), chrono::day(31), chrono::day(30),
chrono::day(31), chrono::day(31), chrono::day(30),
chrono::day(31), chrono::day(30), chrono::day(31)
};
return month() != February || !__y.is_leap() ?
__d[static_cast<unsigned>(month()) - 1] : chrono::day{29};
}
inline constexpr
bool operator==(const year_month_day_last& __lhs, const year_month_day_last& __rhs) noexcept
{ return __lhs.year() == __rhs.year() && __lhs.month_day_last() == __rhs.month_day_last(); }
inline constexpr
bool operator!=(const year_month_day_last& __lhs, const year_month_day_last& __rhs) noexcept
{ return !(__lhs == __rhs); }
inline constexpr
bool operator< (const year_month_day_last& __lhs, const year_month_day_last& __rhs) noexcept
{
if (__lhs.year() < __rhs.year()) return true;
if (__lhs.year() > __rhs.year()) return false;
return __lhs.month_day_last() < __rhs.month_day_last();
}
inline constexpr
bool operator> (const year_month_day_last& __lhs, const year_month_day_last& __rhs) noexcept
{ return __rhs < __lhs; }
inline constexpr
bool operator<=(const year_month_day_last& __lhs, const year_month_day_last& __rhs) noexcept
{ return !(__rhs < __lhs);}
inline constexpr
bool operator>=(const year_month_day_last& __lhs, const year_month_day_last& __rhs) noexcept
{ return !(__lhs < __rhs); }
inline constexpr year_month_day_last operator/(const year_month& __lhs, last_spec) noexcept
{ return year_month_day_last{__lhs.year(), month_day_last{__lhs.month()}}; }
inline constexpr year_month_day_last operator/(const year& __lhs, const month_day_last& __rhs) noexcept
{ return year_month_day_last{__lhs, __rhs}; }
inline constexpr year_month_day_last operator/(int __lhs, const month_day_last& __rhs) noexcept
{ return year_month_day_last{year{__lhs}, __rhs}; }
inline constexpr year_month_day_last operator/(const month_day_last& __lhs, const year& __rhs) noexcept
{ return __rhs / __lhs; }
inline constexpr year_month_day_last operator/(const month_day_last& __lhs, int __rhs) noexcept
{ return year{__rhs} / __lhs; }
inline constexpr
year_month_day_last operator+(const year_month_day_last& __lhs, const months& __rhs) noexcept
{ return (__lhs.year() / __lhs.month() + __rhs) / last; }
inline constexpr
year_month_day_last operator+(const months& __lhs, const year_month_day_last& __rhs) noexcept
{ return __rhs + __lhs; }
inline constexpr
year_month_day_last operator-(const year_month_day_last& __lhs, const months& __rhs) noexcept
{ return __lhs + (-__rhs); }
inline constexpr
year_month_day_last operator+(const year_month_day_last& __lhs, const years& __rhs) noexcept
{ return year_month_day_last{__lhs.year() + __rhs, __lhs.month_day_last()}; }
inline constexpr
year_month_day_last operator+(const years& __lhs, const year_month_day_last& __rhs) noexcept
{ return __rhs + __lhs; }
inline constexpr
year_month_day_last operator-(const year_month_day_last& __lhs, const years& __rhs) noexcept
{ return __lhs + (-__rhs); }
inline constexpr year_month_day_last& year_month_day_last::operator+=(const months& __dm) noexcept { *this = *this + __dm; return *this; }
inline constexpr year_month_day_last& year_month_day_last::operator-=(const months& __dm) noexcept { *this = *this - __dm; return *this; }
inline constexpr year_month_day_last& year_month_day_last::operator+=(const years& __dy) noexcept { *this = *this + __dy; return *this; }