10b57cec5SDimitry Andric// -*- C++ -*- 2349cc55cSDimitry Andric//===----------------------------------------------------------------------===// 30b57cec5SDimitry Andric// 40b57cec5SDimitry Andric// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 50b57cec5SDimitry Andric// See https://llvm.org/LICENSE.txt for license information. 60b57cec5SDimitry Andric// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 70b57cec5SDimitry Andric// 80b57cec5SDimitry Andric//===----------------------------------------------------------------------===// 90b57cec5SDimitry Andric 100b57cec5SDimitry Andric#ifndef _LIBCPP_CHRONO 110b57cec5SDimitry Andric#define _LIBCPP_CHRONO 120b57cec5SDimitry Andric 130b57cec5SDimitry Andric/* 140b57cec5SDimitry Andric chrono synopsis 150b57cec5SDimitry Andric 16753f127fSDimitry Andric#include <compare> // C++20 17753f127fSDimitry Andric 180b57cec5SDimitry Andricnamespace std 190b57cec5SDimitry Andric{ 200b57cec5SDimitry Andricnamespace chrono 210b57cec5SDimitry Andric{ 220b57cec5SDimitry Andric 230b57cec5SDimitry Andrictemplate <class ToDuration, class Rep, class Period> 240b57cec5SDimitry Andricconstexpr 250b57cec5SDimitry AndricToDuration 260b57cec5SDimitry Andricduration_cast(const duration<Rep, Period>& fd); 270b57cec5SDimitry Andric 280b57cec5SDimitry Andrictemplate <class Rep> struct treat_as_floating_point : is_floating_point<Rep> {}; 290b57cec5SDimitry Andric 300b57cec5SDimitry Andrictemplate <class Rep> inline constexpr bool treat_as_floating_point_v 310b57cec5SDimitry Andric = treat_as_floating_point<Rep>::value; // C++17 320b57cec5SDimitry Andric 330b57cec5SDimitry Andrictemplate <class Rep> 340b57cec5SDimitry Andricstruct duration_values 350b57cec5SDimitry Andric{ 360b57cec5SDimitry Andricpublic: 370b57cec5SDimitry Andric static constexpr Rep zero(); // noexcept in C++20 380b57cec5SDimitry Andric static constexpr Rep max(); // noexcept in C++20 390b57cec5SDimitry Andric static constexpr Rep min(); // noexcept in C++20 400b57cec5SDimitry Andric}; 410b57cec5SDimitry Andric 420b57cec5SDimitry Andric// duration 430b57cec5SDimitry Andric 440b57cec5SDimitry Andrictemplate <class Rep, class Period = ratio<1>> 450b57cec5SDimitry Andricclass duration 460b57cec5SDimitry Andric{ 470b57cec5SDimitry Andric static_assert(!__is_duration<Rep>::value, "A duration representation can not be a duration"); 480b57cec5SDimitry Andric static_assert(__is_ratio<Period>::value, "Second template parameter of duration must be a std::ratio"); 490b57cec5SDimitry Andric static_assert(Period::num > 0, "duration period must be positive"); 500b57cec5SDimitry Andricpublic: 510b57cec5SDimitry Andric typedef Rep rep; 520b57cec5SDimitry Andric typedef typename _Period::type period; 530b57cec5SDimitry Andric 540b57cec5SDimitry Andric constexpr duration() = default; 550b57cec5SDimitry Andric template <class Rep2> 560b57cec5SDimitry Andric constexpr explicit duration(const Rep2& r, 570b57cec5SDimitry Andric typename enable_if 580b57cec5SDimitry Andric < 590b57cec5SDimitry Andric is_convertible<Rep2, rep>::value && 600b57cec5SDimitry Andric (treat_as_floating_point<rep>::value || 610b57cec5SDimitry Andric !treat_as_floating_point<rep>::value && !treat_as_floating_point<Rep2>::value) 620b57cec5SDimitry Andric >::type* = 0); 630b57cec5SDimitry Andric 640b57cec5SDimitry Andric // conversions 650b57cec5SDimitry Andric template <class Rep2, class Period2> 660b57cec5SDimitry Andric constexpr duration(const duration<Rep2, Period2>& d, 670b57cec5SDimitry Andric typename enable_if 680b57cec5SDimitry Andric < 690b57cec5SDimitry Andric treat_as_floating_point<rep>::value || 700b57cec5SDimitry Andric ratio_divide<Period2, period>::type::den == 1 710b57cec5SDimitry Andric >::type* = 0); 720b57cec5SDimitry Andric 730b57cec5SDimitry Andric // observer 740b57cec5SDimitry Andric 750b57cec5SDimitry Andric constexpr rep count() const; 760b57cec5SDimitry Andric 770b57cec5SDimitry Andric // arithmetic 780b57cec5SDimitry Andric 790b57cec5SDimitry Andric constexpr common_type<duration>::type operator+() const; 800b57cec5SDimitry Andric constexpr common_type<duration>::type operator-() const; 810b57cec5SDimitry Andric constexpr duration& operator++(); // constexpr in C++17 820b57cec5SDimitry Andric constexpr duration operator++(int); // constexpr in C++17 830b57cec5SDimitry Andric constexpr duration& operator--(); // constexpr in C++17 840b57cec5SDimitry Andric constexpr duration operator--(int); // constexpr in C++17 850b57cec5SDimitry Andric 860b57cec5SDimitry Andric constexpr duration& operator+=(const duration& d); // constexpr in C++17 870b57cec5SDimitry Andric constexpr duration& operator-=(const duration& d); // constexpr in C++17 880b57cec5SDimitry Andric 890b57cec5SDimitry Andric duration& operator*=(const rep& rhs); // constexpr in C++17 900b57cec5SDimitry Andric duration& operator/=(const rep& rhs); // constexpr in C++17 910b57cec5SDimitry Andric duration& operator%=(const rep& rhs); // constexpr in C++17 920b57cec5SDimitry Andric duration& operator%=(const duration& rhs); // constexpr in C++17 930b57cec5SDimitry Andric 940b57cec5SDimitry Andric // special values 950b57cec5SDimitry Andric 960b57cec5SDimitry Andric static constexpr duration zero(); // noexcept in C++20 970b57cec5SDimitry Andric static constexpr duration min(); // noexcept in C++20 980b57cec5SDimitry Andric static constexpr duration max(); // noexcept in C++20 990b57cec5SDimitry Andric}; 1000b57cec5SDimitry Andric 1010b57cec5SDimitry Andrictypedef duration<long long, nano> nanoseconds; 1020b57cec5SDimitry Andrictypedef duration<long long, micro> microseconds; 1030b57cec5SDimitry Andrictypedef duration<long long, milli> milliseconds; 1040b57cec5SDimitry Andrictypedef duration<long long > seconds; 1050b57cec5SDimitry Andrictypedef duration< long, ratio< 60> > minutes; 1060b57cec5SDimitry Andrictypedef duration< long, ratio<3600> > hours; 1070b57cec5SDimitry Andric 1080b57cec5SDimitry Andrictemplate <class Clock, class Duration = typename Clock::duration> 1090b57cec5SDimitry Andricclass time_point 1100b57cec5SDimitry Andric{ 1110b57cec5SDimitry Andricpublic: 1120b57cec5SDimitry Andric typedef Clock clock; 1130b57cec5SDimitry Andric typedef Duration duration; 1140b57cec5SDimitry Andric typedef typename duration::rep rep; 1150b57cec5SDimitry Andric typedef typename duration::period period; 1160b57cec5SDimitry Andricprivate: 1170b57cec5SDimitry Andric duration d_; // exposition only 1180b57cec5SDimitry Andric 1190b57cec5SDimitry Andricpublic: 1200b57cec5SDimitry Andric time_point(); // has value "epoch" // constexpr in C++14 1210b57cec5SDimitry Andric explicit time_point(const duration& d); // same as time_point() + d // constexpr in C++14 1220b57cec5SDimitry Andric 1230b57cec5SDimitry Andric // conversions 1240b57cec5SDimitry Andric template <class Duration2> 1250b57cec5SDimitry Andric time_point(const time_point<clock, Duration2>& t); // constexpr in C++14 1260b57cec5SDimitry Andric 1270b57cec5SDimitry Andric // observer 1280b57cec5SDimitry Andric 1290b57cec5SDimitry Andric duration time_since_epoch() const; // constexpr in C++14 1300b57cec5SDimitry Andric 1310b57cec5SDimitry Andric // arithmetic 1320b57cec5SDimitry Andric 1330b57cec5SDimitry Andric time_point& operator+=(const duration& d); // constexpr in C++17 1340b57cec5SDimitry Andric time_point& operator-=(const duration& d); // constexpr in C++17 1350b57cec5SDimitry Andric 1360b57cec5SDimitry Andric // special values 1370b57cec5SDimitry Andric 1380b57cec5SDimitry Andric static constexpr time_point min(); // noexcept in C++20 1390b57cec5SDimitry Andric static constexpr time_point max(); // noexcept in C++20 1400b57cec5SDimitry Andric}; 1410b57cec5SDimitry Andric 1420b57cec5SDimitry Andric} // chrono 1430b57cec5SDimitry Andric 1440b57cec5SDimitry Andric// common_type traits 1450b57cec5SDimitry Andrictemplate <class Rep1, class Period1, class Rep2, class Period2> 1460b57cec5SDimitry Andric struct common_type<chrono::duration<Rep1, Period1>, chrono::duration<Rep2, Period2>>; 1470b57cec5SDimitry Andric 1480b57cec5SDimitry Andrictemplate <class Clock, class Duration1, class Duration2> 1490b57cec5SDimitry Andric struct common_type<chrono::time_point<Clock, Duration1>, chrono::time_point<Clock, Duration2>>; 1500b57cec5SDimitry Andric 1510b57cec5SDimitry Andricnamespace chrono { 1520b57cec5SDimitry Andric 1530b57cec5SDimitry Andric// duration arithmetic 1540b57cec5SDimitry Andrictemplate <class Rep1, class Period1, class Rep2, class Period2> 1550b57cec5SDimitry Andric constexpr 1560b57cec5SDimitry Andric typename common_type<duration<Rep1, Period1>, duration<Rep2, Period2>>::type 1570b57cec5SDimitry Andric operator+(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); 1580b57cec5SDimitry Andrictemplate <class Rep1, class Period1, class Rep2, class Period2> 1590b57cec5SDimitry Andric constexpr 1600b57cec5SDimitry Andric typename common_type<duration<Rep1, Period1>, duration<Rep2, Period2>>::type 1610b57cec5SDimitry Andric operator-(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); 1620b57cec5SDimitry Andrictemplate <class Rep1, class Period, class Rep2> 1630b57cec5SDimitry Andric constexpr 1640b57cec5SDimitry Andric duration<typename common_type<Rep1, Rep2>::type, Period> 1650b57cec5SDimitry Andric operator*(const duration<Rep1, Period>& d, const Rep2& s); 1660b57cec5SDimitry Andrictemplate <class Rep1, class Period, class Rep2> 1670b57cec5SDimitry Andric constexpr 1680b57cec5SDimitry Andric duration<typename common_type<Rep1, Rep2>::type, Period> 1690b57cec5SDimitry Andric operator*(const Rep1& s, const duration<Rep2, Period>& d); 1700b57cec5SDimitry Andrictemplate <class Rep1, class Period, class Rep2> 1710b57cec5SDimitry Andric constexpr 1720b57cec5SDimitry Andric duration<typename common_type<Rep1, Rep2>::type, Period> 1730b57cec5SDimitry Andric operator/(const duration<Rep1, Period>& d, const Rep2& s); 1740b57cec5SDimitry Andrictemplate <class Rep1, class Period1, class Rep2, class Period2> 1750b57cec5SDimitry Andric constexpr 1760b57cec5SDimitry Andric typename common_type<Rep1, Rep2>::type 1770b57cec5SDimitry Andric operator/(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); 1780b57cec5SDimitry Andric 1790b57cec5SDimitry Andric// duration comparisons 1800b57cec5SDimitry Andrictemplate <class Rep1, class Period1, class Rep2, class Period2> 1810b57cec5SDimitry Andric constexpr 1820b57cec5SDimitry Andric bool operator==(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); 1830b57cec5SDimitry Andrictemplate <class Rep1, class Period1, class Rep2, class Period2> 1840b57cec5SDimitry Andric constexpr 1850b57cec5SDimitry Andric bool operator!=(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); 1860b57cec5SDimitry Andrictemplate <class Rep1, class Period1, class Rep2, class Period2> 1870b57cec5SDimitry Andric constexpr 1880b57cec5SDimitry Andric bool operator< (const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); 1890b57cec5SDimitry Andrictemplate <class Rep1, class Period1, class Rep2, class Period2> 1900b57cec5SDimitry Andric constexpr 1910b57cec5SDimitry Andric bool operator<=(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); 1920b57cec5SDimitry Andrictemplate <class Rep1, class Period1, class Rep2, class Period2> 1930b57cec5SDimitry Andric constexpr 1940b57cec5SDimitry Andric bool operator> (const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); 1950b57cec5SDimitry Andrictemplate <class Rep1, class Period1, class Rep2, class Period2> 1960b57cec5SDimitry Andric constexpr 1970b57cec5SDimitry Andric bool operator>=(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); 1980b57cec5SDimitry Andric 1990b57cec5SDimitry Andric// duration_cast 2000b57cec5SDimitry Andrictemplate <class ToDuration, class Rep, class Period> 2010b57cec5SDimitry Andric ToDuration duration_cast(const duration<Rep, Period>& d); 2020b57cec5SDimitry Andric 2030b57cec5SDimitry Andrictemplate <class ToDuration, class Rep, class Period> 2040b57cec5SDimitry Andric constexpr ToDuration floor(const duration<Rep, Period>& d); // C++17 2050b57cec5SDimitry Andrictemplate <class ToDuration, class Rep, class Period> 2060b57cec5SDimitry Andric constexpr ToDuration ceil(const duration<Rep, Period>& d); // C++17 2070b57cec5SDimitry Andrictemplate <class ToDuration, class Rep, class Period> 2080b57cec5SDimitry Andric constexpr ToDuration round(const duration<Rep, Period>& d); // C++17 2090b57cec5SDimitry Andric 210*bdd1243dSDimitry Andric// duration I/O 211*bdd1243dSDimitry Andrictemplate<class charT, class traits, class Rep, class Period> // C++20 212*bdd1243dSDimitry Andric basic_ostream<charT, traits>& 213*bdd1243dSDimitry Andric operator<<(basic_ostream<charT, traits>& os, 214*bdd1243dSDimitry Andric const duration<Rep, Period>& d); 2150b57cec5SDimitry Andric 2160b57cec5SDimitry Andric// time_point arithmetic (all constexpr in C++14) 2170b57cec5SDimitry Andrictemplate <class Clock, class Duration1, class Rep2, class Period2> 2180b57cec5SDimitry Andric time_point<Clock, typename common_type<Duration1, duration<Rep2, Period2>>::type> 2190b57cec5SDimitry Andric operator+(const time_point<Clock, Duration1>& lhs, const duration<Rep2, Period2>& rhs); 2200b57cec5SDimitry Andrictemplate <class Rep1, class Period1, class Clock, class Duration2> 2210b57cec5SDimitry Andric time_point<Clock, typename common_type<duration<Rep1, Period1>, Duration2>::type> 2220b57cec5SDimitry Andric operator+(const duration<Rep1, Period1>& lhs, const time_point<Clock, Duration2>& rhs); 2230b57cec5SDimitry Andrictemplate <class Clock, class Duration1, class Rep2, class Period2> 2240b57cec5SDimitry Andric time_point<Clock, typename common_type<Duration1, duration<Rep2, Period2>>::type> 2250b57cec5SDimitry Andric operator-(const time_point<Clock, Duration1>& lhs, const duration<Rep2, Period2>& rhs); 2260b57cec5SDimitry Andrictemplate <class Clock, class Duration1, class Duration2> 2270b57cec5SDimitry Andric typename common_type<Duration1, Duration2>::type 2280b57cec5SDimitry Andric operator-(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs); 2290b57cec5SDimitry Andric 2300b57cec5SDimitry Andric// time_point comparisons (all constexpr in C++14) 2310b57cec5SDimitry Andrictemplate <class Clock, class Duration1, class Duration2> 2320b57cec5SDimitry Andric bool operator==(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs); 2330b57cec5SDimitry Andrictemplate <class Clock, class Duration1, class Duration2> 2340b57cec5SDimitry Andric bool operator!=(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs); 2350b57cec5SDimitry Andrictemplate <class Clock, class Duration1, class Duration2> 2360b57cec5SDimitry Andric bool operator< (const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs); 2370b57cec5SDimitry Andrictemplate <class Clock, class Duration1, class Duration2> 2380b57cec5SDimitry Andric bool operator<=(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs); 2390b57cec5SDimitry Andrictemplate <class Clock, class Duration1, class Duration2> 2400b57cec5SDimitry Andric bool operator> (const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs); 2410b57cec5SDimitry Andrictemplate <class Clock, class Duration1, class Duration2> 2420b57cec5SDimitry Andric bool operator>=(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs); 2430b57cec5SDimitry Andric 2440b57cec5SDimitry Andric// time_point_cast (constexpr in C++14) 2450b57cec5SDimitry Andric 2460b57cec5SDimitry Andrictemplate <class ToDuration, class Clock, class Duration> 2470b57cec5SDimitry Andric time_point<Clock, ToDuration> time_point_cast(const time_point<Clock, Duration>& t); 2480b57cec5SDimitry Andric 2490b57cec5SDimitry Andrictemplate <class ToDuration, class Clock, class Duration> 2500b57cec5SDimitry Andric constexpr time_point<Clock, ToDuration> 2510b57cec5SDimitry Andric floor(const time_point<Clock, Duration>& tp); // C++17 2520b57cec5SDimitry Andric 2530b57cec5SDimitry Andrictemplate <class ToDuration, class Clock, class Duration> 2540b57cec5SDimitry Andric constexpr time_point<Clock, ToDuration> 2550b57cec5SDimitry Andric ceil(const time_point<Clock, Duration>& tp); // C++17 2560b57cec5SDimitry Andric 2570b57cec5SDimitry Andrictemplate <class ToDuration, class Clock, class Duration> 2580b57cec5SDimitry Andric constexpr time_point<Clock, ToDuration> 2590b57cec5SDimitry Andric round(const time_point<Clock, Duration>& tp); // C++17 2600b57cec5SDimitry Andric 2610b57cec5SDimitry Andrictemplate <class Rep, class Period> 2620b57cec5SDimitry Andric constexpr duration<Rep, Period> abs(duration<Rep, Period> d); // C++17 2630b57cec5SDimitry Andric 2640b57cec5SDimitry Andric// Clocks 2650b57cec5SDimitry Andric 2660b57cec5SDimitry Andricclass system_clock 2670b57cec5SDimitry Andric{ 2680b57cec5SDimitry Andricpublic: 2690b57cec5SDimitry Andric typedef microseconds duration; 2700b57cec5SDimitry Andric typedef duration::rep rep; 2710b57cec5SDimitry Andric typedef duration::period period; 2720b57cec5SDimitry Andric typedef chrono::time_point<system_clock> time_point; 2730b57cec5SDimitry Andric static const bool is_steady = false; // constexpr in C++14 2740b57cec5SDimitry Andric 2750b57cec5SDimitry Andric static time_point now() noexcept; 2760b57cec5SDimitry Andric static time_t to_time_t (const time_point& __t) noexcept; 2770b57cec5SDimitry Andric static time_point from_time_t(time_t __t) noexcept; 2780b57cec5SDimitry Andric}; 2790b57cec5SDimitry Andric 2800b57cec5SDimitry Andrictemplate <class Duration> 2810b57cec5SDimitry Andric using sys_time = time_point<system_clock, Duration>; // C++20 2820b57cec5SDimitry Andricusing sys_seconds = sys_time<seconds>; // C++20 2830b57cec5SDimitry Andricusing sys_days = sys_time<days>; // C++20 2840b57cec5SDimitry Andric 285349cc55cSDimitry Andricclass file_clock // C++20 286349cc55cSDimitry Andric{ 287349cc55cSDimitry Andricpublic: 288349cc55cSDimitry Andric typedef see-below rep; 289349cc55cSDimitry Andric typedef nano period; 290349cc55cSDimitry Andric typedef chrono::duration<rep, period> duration; 291349cc55cSDimitry Andric typedef chrono::time_point<file_clock> time_point; 292349cc55cSDimitry Andric static constexpr bool is_steady = false; 293349cc55cSDimitry Andric 294349cc55cSDimitry Andric static time_point now() noexcept; 2950b57cec5SDimitry Andric 2960b57cec5SDimitry Andric template<class Duration> 297349cc55cSDimitry Andric static sys_time<see-below> to_sys(const file_time<Duration>&); 2980b57cec5SDimitry Andric 2990b57cec5SDimitry Andric template<class Duration> 300349cc55cSDimitry Andric static file_time<see-below> from_sys(const sys_time<Duration>&); 301349cc55cSDimitry Andric}; 3020b57cec5SDimitry Andric 3030b57cec5SDimitry Andrictemplate<class Duration> 3040b57cec5SDimitry Andric using file_time = time_point<file_clock, Duration>; // C++20 3050b57cec5SDimitry Andric 3060b57cec5SDimitry Andricclass steady_clock 3070b57cec5SDimitry Andric{ 3080b57cec5SDimitry Andricpublic: 3090b57cec5SDimitry Andric typedef nanoseconds duration; 3100b57cec5SDimitry Andric typedef duration::rep rep; 3110b57cec5SDimitry Andric typedef duration::period period; 3120b57cec5SDimitry Andric typedef chrono::time_point<steady_clock, duration> time_point; 3130b57cec5SDimitry Andric static const bool is_steady = true; // constexpr in C++14 3140b57cec5SDimitry Andric 3150b57cec5SDimitry Andric static time_point now() noexcept; 3160b57cec5SDimitry Andric}; 3170b57cec5SDimitry Andric 3180b57cec5SDimitry Andrictypedef steady_clock high_resolution_clock; 3190b57cec5SDimitry Andric 3200b57cec5SDimitry Andric// 25.7.8, local time // C++20 3210b57cec5SDimitry Andricstruct local_t {}; 3220b57cec5SDimitry Andrictemplate<class Duration> 3230b57cec5SDimitry Andric using local_time = time_point<local_t, Duration>; 3240b57cec5SDimitry Andricusing local_seconds = local_time<seconds>; 3250b57cec5SDimitry Andricusing local_days = local_time<days>; 3260b57cec5SDimitry Andric 3270b57cec5SDimitry Andric// 25.8.2, class last_spec // C++20 3280b57cec5SDimitry Andricstruct last_spec; 3290b57cec5SDimitry Andric 3300b57cec5SDimitry Andric// 25.8.3, class day // C++20 3310b57cec5SDimitry Andric 3320b57cec5SDimitry Andricclass day; 3330b57cec5SDimitry Andricconstexpr bool operator==(const day& x, const day& y) noexcept; 334753f127fSDimitry Andricconstexpr strong_ordering operator<=>(const day& x, const day& y) noexcept; 3350b57cec5SDimitry Andricconstexpr day operator+(const day& x, const days& y) noexcept; 3360b57cec5SDimitry Andricconstexpr day operator+(const days& x, const day& y) noexcept; 3370b57cec5SDimitry Andricconstexpr day operator-(const day& x, const days& y) noexcept; 3380b57cec5SDimitry Andricconstexpr days operator-(const day& x, const day& y) noexcept; 339*bdd1243dSDimitry Andrictemplate<class charT, class traits> 340*bdd1243dSDimitry Andric basic_ostream<charT, traits>& 341*bdd1243dSDimitry Andric operator<<(basic_ostream<charT, traits>& os, const day& d); 3420b57cec5SDimitry Andric 3430b57cec5SDimitry Andric// 25.8.4, class month // C++20 3440b57cec5SDimitry Andricclass month; 3450b57cec5SDimitry Andricconstexpr bool operator==(const month& x, const month& y) noexcept; 346*bdd1243dSDimitry Andricconstexpr strong_ordering operator<=>(const month& x, const month& y) noexcept; 347*bdd1243dSDimitry Andric 3480b57cec5SDimitry Andricconstexpr month operator+(const month& x, const months& y) noexcept; 3490b57cec5SDimitry Andricconstexpr month operator+(const months& x, const month& y) noexcept; 3500b57cec5SDimitry Andricconstexpr month operator-(const month& x, const months& y) noexcept; 3510b57cec5SDimitry Andricconstexpr months operator-(const month& x, const month& y) noexcept; 352*bdd1243dSDimitry Andrictemplate<class charT, class traits> 353*bdd1243dSDimitry Andric basic_ostream<charT, traits>& 354*bdd1243dSDimitry Andric operator<<(basic_ostream<charT, traits>& os, const month& m); 3550b57cec5SDimitry Andric 3560b57cec5SDimitry Andric// 25.8.5, class year // C++20 3570b57cec5SDimitry Andricclass year; 3580b57cec5SDimitry Andricconstexpr bool operator==(const year& x, const year& y) noexcept; 359*bdd1243dSDimitry Andricconstexpr strong_ordering operator<=>(const year& x, const year& y) noexcept; 360*bdd1243dSDimitry Andric 3610b57cec5SDimitry Andricconstexpr year operator+(const year& x, const years& y) noexcept; 3620b57cec5SDimitry Andricconstexpr year operator+(const years& x, const year& y) noexcept; 3630b57cec5SDimitry Andricconstexpr year operator-(const year& x, const years& y) noexcept; 3640b57cec5SDimitry Andricconstexpr years operator-(const year& x, const year& y) noexcept; 365*bdd1243dSDimitry Andrictemplate<class charT, class traits> 366*bdd1243dSDimitry Andric basic_ostream<charT, traits>& 367*bdd1243dSDimitry Andric operator<<(basic_ostream<charT, traits>& os, const year& y); 3680b57cec5SDimitry Andric 3690b57cec5SDimitry Andric// 25.8.6, class weekday // C++20 3700b57cec5SDimitry Andricclass weekday; 3710b57cec5SDimitry Andric 3720b57cec5SDimitry Andricconstexpr bool operator==(const weekday& x, const weekday& y) noexcept; 3730b57cec5SDimitry Andricconstexpr bool operator!=(const weekday& x, const weekday& y) noexcept; 3740b57cec5SDimitry Andricconstexpr weekday operator+(const weekday& x, const days& y) noexcept; 3750b57cec5SDimitry Andricconstexpr weekday operator+(const days& x, const weekday& y) noexcept; 3760b57cec5SDimitry Andricconstexpr weekday operator-(const weekday& x, const days& y) noexcept; 3770b57cec5SDimitry Andricconstexpr days operator-(const weekday& x, const weekday& y) noexcept; 378*bdd1243dSDimitry Andrictemplate<class charT, class traits> 379*bdd1243dSDimitry Andric basic_ostream<charT, traits>& 380*bdd1243dSDimitry Andric operator<<(basic_ostream<charT, traits>& os, const weekday& wd); 3810b57cec5SDimitry Andric 3820b57cec5SDimitry Andric// 25.8.7, class weekday_indexed // C++20 3830b57cec5SDimitry Andric 3840b57cec5SDimitry Andricclass weekday_indexed; 3850b57cec5SDimitry Andricconstexpr bool operator==(const weekday_indexed& x, const weekday_indexed& y) noexcept; 3860b57cec5SDimitry Andricconstexpr bool operator!=(const weekday_indexed& x, const weekday_indexed& y) noexcept; 3870b57cec5SDimitry Andric 388*bdd1243dSDimitry Andrictemplate<class charT, class traits> 389*bdd1243dSDimitry Andric basic_ostream<charT, traits>& 390*bdd1243dSDimitry Andric operator<<(basic_ostream<charT, traits>& os, const weekday_indexed& wdi); 391*bdd1243dSDimitry Andric 3920b57cec5SDimitry Andric// 25.8.8, class weekday_last // C++20 3930b57cec5SDimitry Andricclass weekday_last; 3940b57cec5SDimitry Andric 3950b57cec5SDimitry Andricconstexpr bool operator==(const weekday_last& x, const weekday_last& y) noexcept; 3960b57cec5SDimitry Andricconstexpr bool operator!=(const weekday_last& x, const weekday_last& y) noexcept; 3970b57cec5SDimitry Andric 398*bdd1243dSDimitry Andrictemplate<class charT, class traits> 399*bdd1243dSDimitry Andric basic_ostream<charT, traits>& 400*bdd1243dSDimitry Andric operator<<(basic_ostream<charT, traits>& os, const weekday_last& wdl); 401*bdd1243dSDimitry Andric 4020b57cec5SDimitry Andric// 25.8.9, class month_day // C++20 4030b57cec5SDimitry Andricclass month_day; 4040b57cec5SDimitry Andric 4050b57cec5SDimitry Andricconstexpr bool operator==(const month_day& x, const month_day& y) noexcept; 406*bdd1243dSDimitry Andricconstexpr strong_ordering operator<=>(const month_day& x, const month_day& y) noexcept; 4070b57cec5SDimitry Andric 408*bdd1243dSDimitry Andrictemplate<class charT, class traits> 409*bdd1243dSDimitry Andric basic_ostream<charT, traits>& 410*bdd1243dSDimitry Andric operator<<(basic_ostream<charT, traits>& os, const month_day& md); 4110b57cec5SDimitry Andric 4120b57cec5SDimitry Andric// 25.8.10, class month_day_last // C++20 4130b57cec5SDimitry Andricclass month_day_last; 4140b57cec5SDimitry Andric 4150b57cec5SDimitry Andricconstexpr bool operator==(const month_day_last& x, const month_day_last& y) noexcept; 416*bdd1243dSDimitry Andricconstexpr strong_ordering operator<=>(const month_day_last& x, const month_day_last& y) noexcept; 417*bdd1243dSDimitry Andric 418*bdd1243dSDimitry Andrictemplate<class charT, class traits> 419*bdd1243dSDimitry Andric basic_ostream<charT, traits>& 420*bdd1243dSDimitry Andric operator<<(basic_ostream<charT, traits>& os, const month_day_last& mdl); 4210b57cec5SDimitry Andric 4220b57cec5SDimitry Andric// 25.8.11, class month_weekday // C++20 4230b57cec5SDimitry Andricclass month_weekday; 4240b57cec5SDimitry Andric 4250b57cec5SDimitry Andricconstexpr bool operator==(const month_weekday& x, const month_weekday& y) noexcept; 4260b57cec5SDimitry Andricconstexpr bool operator!=(const month_weekday& x, const month_weekday& y) noexcept; 4270b57cec5SDimitry Andric 428*bdd1243dSDimitry Andrictemplate<class charT, class traits> 429*bdd1243dSDimitry Andric basic_ostream<charT, traits>& 430*bdd1243dSDimitry Andric operator<<(basic_ostream<charT, traits>& os, const month_weekday& mwd); 431*bdd1243dSDimitry Andric 4320b57cec5SDimitry Andric// 25.8.12, class month_weekday_last // C++20 4330b57cec5SDimitry Andricclass month_weekday_last; 4340b57cec5SDimitry Andric 4350b57cec5SDimitry Andricconstexpr bool operator==(const month_weekday_last& x, const month_weekday_last& y) noexcept; 4360b57cec5SDimitry Andricconstexpr bool operator!=(const month_weekday_last& x, const month_weekday_last& y) noexcept; 4370b57cec5SDimitry Andric 438*bdd1243dSDimitry Andrictemplate<class charT, class traits> 439*bdd1243dSDimitry Andric basic_ostream<charT, traits>& 440*bdd1243dSDimitry Andric operator<<(basic_ostream<charT, traits>& os, const month_weekday_last& mwdl); 441*bdd1243dSDimitry Andric 4420b57cec5SDimitry Andric 4430b57cec5SDimitry Andric// 25.8.13, class year_month // C++20 4440b57cec5SDimitry Andricclass year_month; 4450b57cec5SDimitry Andric 4460b57cec5SDimitry Andricconstexpr bool operator==(const year_month& x, const year_month& y) noexcept; 447*bdd1243dSDimitry Andricconstexpr strong_ordering operator<=>(const year_month& x, const year_month& y) noexcept; 4480b57cec5SDimitry Andric 4490b57cec5SDimitry Andricconstexpr year_month operator+(const year_month& ym, const months& dm) noexcept; 4500b57cec5SDimitry Andricconstexpr year_month operator+(const months& dm, const year_month& ym) noexcept; 4510b57cec5SDimitry Andricconstexpr year_month operator-(const year_month& ym, const months& dm) noexcept; 4520b57cec5SDimitry Andricconstexpr months operator-(const year_month& x, const year_month& y) noexcept; 4530b57cec5SDimitry Andricconstexpr year_month operator+(const year_month& ym, const years& dy) noexcept; 4540b57cec5SDimitry Andricconstexpr year_month operator+(const years& dy, const year_month& ym) noexcept; 4550b57cec5SDimitry Andricconstexpr year_month operator-(const year_month& ym, const years& dy) noexcept; 4560b57cec5SDimitry Andric 457*bdd1243dSDimitry Andrictemplate<class charT, class traits> 458*bdd1243dSDimitry Andric basic_ostream<charT, traits>& 459*bdd1243dSDimitry Andric operator<<(basic_ostream<charT, traits>& os, const year_month& ym); 460*bdd1243dSDimitry Andric 4610b57cec5SDimitry Andric// 25.8.14, class year_month_day class // C++20 4620b57cec5SDimitry Andricyear_month_day; 4630b57cec5SDimitry Andric 4640b57cec5SDimitry Andricconstexpr bool operator==(const year_month_day& x, const year_month_day& y) noexcept; 465*bdd1243dSDimitry Andricconstexpr strong_ordering operator<=>(const year_month_day& x, const year_month_day& y) noexcept; 4660b57cec5SDimitry Andric 4670b57cec5SDimitry Andricconstexpr year_month_day operator+(const year_month_day& ymd, const months& dm) noexcept; 4680b57cec5SDimitry Andricconstexpr year_month_day operator+(const months& dm, const year_month_day& ymd) noexcept; 4690b57cec5SDimitry Andricconstexpr year_month_day operator+(const year_month_day& ymd, const years& dy) noexcept; 4700b57cec5SDimitry Andricconstexpr year_month_day operator+(const years& dy, const year_month_day& ymd) noexcept; 4710b57cec5SDimitry Andricconstexpr year_month_day operator-(const year_month_day& ymd, const months& dm) noexcept; 4720b57cec5SDimitry Andricconstexpr year_month_day operator-(const year_month_day& ymd, const years& dy) noexcept; 4730b57cec5SDimitry Andric 474*bdd1243dSDimitry Andrictemplate<class charT, class traits> 475*bdd1243dSDimitry Andric basic_ostream<charT, traits>& 476*bdd1243dSDimitry Andric operator<<(basic_ostream<charT, traits>& os, const year_month_day& ymd); 4770b57cec5SDimitry Andric 4780b57cec5SDimitry Andric// 25.8.15, class year_month_day_last // C++20 4790b57cec5SDimitry Andricclass year_month_day_last; 4800b57cec5SDimitry Andric 481*bdd1243dSDimitry Andricconstexpr bool operator==(const year_month_day_last& x, const year_month_day_last& y) noexcept; 482*bdd1243dSDimitry Andricconstexpr strong_ordering operator<=>(const year_month_day_last_day& x, const year_month_day_last_day& y) noexcept; 4830b57cec5SDimitry Andric 4840b57cec5SDimitry Andricconstexpr year_month_day_last 4850b57cec5SDimitry Andric operator+(const year_month_day_last& ymdl, const months& dm) noexcept; 4860b57cec5SDimitry Andricconstexpr year_month_day_last 4870b57cec5SDimitry Andric operator+(const months& dm, const year_month_day_last& ymdl) noexcept; 4880b57cec5SDimitry Andricconstexpr year_month_day_last 4890b57cec5SDimitry Andric operator+(const year_month_day_last& ymdl, const years& dy) noexcept; 4900b57cec5SDimitry Andricconstexpr year_month_day_last 4910b57cec5SDimitry Andric operator+(const years& dy, const year_month_day_last& ymdl) noexcept; 4920b57cec5SDimitry Andricconstexpr year_month_day_last 4930b57cec5SDimitry Andric operator-(const year_month_day_last& ymdl, const months& dm) noexcept; 4940b57cec5SDimitry Andricconstexpr year_month_day_last 4950b57cec5SDimitry Andric operator-(const year_month_day_last& ymdl, const years& dy) noexcept; 4960b57cec5SDimitry Andric 497*bdd1243dSDimitry Andrictemplate<class charT, class traits> 498*bdd1243dSDimitry Andric basic_ostream<charT, traits>& 499*bdd1243dSDimitry Andric operator<<(basic_ostream<charT, traits>& os, const year_month_day_last& ymdl); 500*bdd1243dSDimitry Andric 5010b57cec5SDimitry Andric// 25.8.16, class year_month_weekday // C++20 5020b57cec5SDimitry Andricclass year_month_weekday; 5030b57cec5SDimitry Andric 5040b57cec5SDimitry Andricconstexpr bool operator==(const year_month_weekday& x, 5050b57cec5SDimitry Andric const year_month_weekday& y) noexcept; 5060b57cec5SDimitry Andricconstexpr bool operator!=(const year_month_weekday& x, 5070b57cec5SDimitry Andric const year_month_weekday& y) noexcept; 5080b57cec5SDimitry Andric 5090b57cec5SDimitry Andricconstexpr year_month_weekday 5100b57cec5SDimitry Andric operator+(const year_month_weekday& ymwd, const months& dm) noexcept; 5110b57cec5SDimitry Andricconstexpr year_month_weekday 5120b57cec5SDimitry Andric operator+(const months& dm, const year_month_weekday& ymwd) noexcept; 5130b57cec5SDimitry Andricconstexpr year_month_weekday 5140b57cec5SDimitry Andric operator+(const year_month_weekday& ymwd, const years& dy) noexcept; 5150b57cec5SDimitry Andricconstexpr year_month_weekday 5160b57cec5SDimitry Andric operator+(const years& dy, const year_month_weekday& ymwd) noexcept; 5170b57cec5SDimitry Andricconstexpr year_month_weekday 5180b57cec5SDimitry Andric operator-(const year_month_weekday& ymwd, const months& dm) noexcept; 5190b57cec5SDimitry Andricconstexpr year_month_weekday 5200b57cec5SDimitry Andric operator-(const year_month_weekday& ymwd, const years& dy) noexcept; 5210b57cec5SDimitry Andric 522*bdd1243dSDimitry Andrictemplate<class charT, class traits> 523*bdd1243dSDimitry Andric basic_ostream<charT, traits>& 524*bdd1243dSDimitry Andric operator<<(basic_ostream<charT, traits>& os, const year_month_weekday& ymwd); 525*bdd1243dSDimitry Andric 5260b57cec5SDimitry Andric// 25.8.17, class year_month_weekday_last // C++20 5270b57cec5SDimitry Andricclass year_month_weekday_last; 5280b57cec5SDimitry Andric 5290b57cec5SDimitry Andricconstexpr bool operator==(const year_month_weekday_last& x, 5300b57cec5SDimitry Andric const year_month_weekday_last& y) noexcept; 5310b57cec5SDimitry Andricconstexpr bool operator!=(const year_month_weekday_last& x, 5320b57cec5SDimitry Andric const year_month_weekday_last& y) noexcept; 5330b57cec5SDimitry Andricconstexpr year_month_weekday_last 5340b57cec5SDimitry Andric operator+(const year_month_weekday_last& ymwdl, const months& dm) noexcept; 5350b57cec5SDimitry Andricconstexpr year_month_weekday_last 5360b57cec5SDimitry Andric operator+(const months& dm, const year_month_weekday_last& ymwdl) noexcept; 5370b57cec5SDimitry Andricconstexpr year_month_weekday_last 5380b57cec5SDimitry Andric operator+(const year_month_weekday_last& ymwdl, const years& dy) noexcept; 5390b57cec5SDimitry Andricconstexpr year_month_weekday_last 5400b57cec5SDimitry Andric operator+(const years& dy, const year_month_weekday_last& ymwdl) noexcept; 5410b57cec5SDimitry Andricconstexpr year_month_weekday_last 5420b57cec5SDimitry Andric operator-(const year_month_weekday_last& ymwdl, const months& dm) noexcept; 5430b57cec5SDimitry Andricconstexpr year_month_weekday_last 5440b57cec5SDimitry Andric operator-(const year_month_weekday_last& ymwdl, const years& dy) noexcept; 5450b57cec5SDimitry Andric 546*bdd1243dSDimitry Andrictemplate<class charT, class traits> 547*bdd1243dSDimitry Andric basic_ostream<charT, traits>& 548*bdd1243dSDimitry Andric operator<<(basic_ostream<charT, traits>& os, const year_month_weekday_last& ymwdl); 549*bdd1243dSDimitry Andric 5500b57cec5SDimitry Andric// 25.8.18, civil calendar conventional syntax operators // C++20 5510b57cec5SDimitry Andricconstexpr year_month 5520b57cec5SDimitry Andric operator/(const year& y, const month& m) noexcept; 5530b57cec5SDimitry Andricconstexpr year_month 5540b57cec5SDimitry Andric operator/(const year& y, int m) noexcept; 5550b57cec5SDimitry Andricconstexpr month_day 5560b57cec5SDimitry Andric operator/(const month& m, const day& d) noexcept; 5570b57cec5SDimitry Andricconstexpr month_day 5580b57cec5SDimitry Andric operator/(const month& m, int d) noexcept; 5590b57cec5SDimitry Andricconstexpr month_day 5600b57cec5SDimitry Andric operator/(int m, const day& d) noexcept; 5610b57cec5SDimitry Andricconstexpr month_day 5620b57cec5SDimitry Andric operator/(const day& d, const month& m) noexcept; 5630b57cec5SDimitry Andricconstexpr month_day 5640b57cec5SDimitry Andric operator/(const day& d, int m) noexcept; 5650b57cec5SDimitry Andricconstexpr month_day_last 5660b57cec5SDimitry Andric operator/(const month& m, last_spec) noexcept; 5670b57cec5SDimitry Andricconstexpr month_day_last 5680b57cec5SDimitry Andric operator/(int m, last_spec) noexcept; 5690b57cec5SDimitry Andricconstexpr month_day_last 5700b57cec5SDimitry Andric operator/(last_spec, const month& m) noexcept; 5710b57cec5SDimitry Andricconstexpr month_day_last 5720b57cec5SDimitry Andric operator/(last_spec, int m) noexcept; 5730b57cec5SDimitry Andricconstexpr month_weekday 5740b57cec5SDimitry Andric operator/(const month& m, const weekday_indexed& wdi) noexcept; 5750b57cec5SDimitry Andricconstexpr month_weekday 5760b57cec5SDimitry Andric operator/(int m, const weekday_indexed& wdi) noexcept; 5770b57cec5SDimitry Andricconstexpr month_weekday 5780b57cec5SDimitry Andric operator/(const weekday_indexed& wdi, const month& m) noexcept; 5790b57cec5SDimitry Andricconstexpr month_weekday 5800b57cec5SDimitry Andric operator/(const weekday_indexed& wdi, int m) noexcept; 5810b57cec5SDimitry Andricconstexpr month_weekday_last 5820b57cec5SDimitry Andric operator/(const month& m, const weekday_last& wdl) noexcept; 5830b57cec5SDimitry Andricconstexpr month_weekday_last 5840b57cec5SDimitry Andric operator/(int m, const weekday_last& wdl) noexcept; 5850b57cec5SDimitry Andricconstexpr month_weekday_last 5860b57cec5SDimitry Andric operator/(const weekday_last& wdl, const month& m) noexcept; 5870b57cec5SDimitry Andricconstexpr month_weekday_last 5880b57cec5SDimitry Andric operator/(const weekday_last& wdl, int m) noexcept; 5890b57cec5SDimitry Andricconstexpr year_month_day 5900b57cec5SDimitry Andric operator/(const year_month& ym, const day& d) noexcept; 5910b57cec5SDimitry Andricconstexpr year_month_day 5920b57cec5SDimitry Andric operator/(const year_month& ym, int d) noexcept; 5930b57cec5SDimitry Andricconstexpr year_month_day 5940b57cec5SDimitry Andric operator/(const year& y, const month_day& md) noexcept; 5950b57cec5SDimitry Andricconstexpr year_month_day 5960b57cec5SDimitry Andric operator/(int y, const month_day& md) noexcept; 5970b57cec5SDimitry Andricconstexpr year_month_day 5980b57cec5SDimitry Andric operator/(const month_day& md, const year& y) noexcept; 5990b57cec5SDimitry Andricconstexpr year_month_day 6000b57cec5SDimitry Andric operator/(const month_day& md, int y) noexcept; 6010b57cec5SDimitry Andricconstexpr year_month_day_last 6020b57cec5SDimitry Andric operator/(const year_month& ym, last_spec) noexcept; 6030b57cec5SDimitry Andricconstexpr year_month_day_last 6040b57cec5SDimitry Andric operator/(const year& y, const month_day_last& mdl) noexcept; 6050b57cec5SDimitry Andricconstexpr year_month_day_last 6060b57cec5SDimitry Andric operator/(int y, const month_day_last& mdl) noexcept; 6070b57cec5SDimitry Andricconstexpr year_month_day_last 6080b57cec5SDimitry Andric operator/(const month_day_last& mdl, const year& y) noexcept; 6090b57cec5SDimitry Andricconstexpr year_month_day_last 6100b57cec5SDimitry Andric operator/(const month_day_last& mdl, int y) noexcept; 6110b57cec5SDimitry Andricconstexpr year_month_weekday 6120b57cec5SDimitry Andric operator/(const year_month& ym, const weekday_indexed& wdi) noexcept; 6130b57cec5SDimitry Andricconstexpr year_month_weekday 6140b57cec5SDimitry Andric operator/(const year& y, const month_weekday& mwd) noexcept; 6150b57cec5SDimitry Andricconstexpr year_month_weekday 6160b57cec5SDimitry Andric operator/(int y, const month_weekday& mwd) noexcept; 6170b57cec5SDimitry Andricconstexpr year_month_weekday 6180b57cec5SDimitry Andric operator/(const month_weekday& mwd, const year& y) noexcept; 6190b57cec5SDimitry Andricconstexpr year_month_weekday 6200b57cec5SDimitry Andric operator/(const month_weekday& mwd, int y) noexcept; 6210b57cec5SDimitry Andricconstexpr year_month_weekday_last 6220b57cec5SDimitry Andric operator/(const year_month& ym, const weekday_last& wdl) noexcept; 6230b57cec5SDimitry Andricconstexpr year_month_weekday_last 6240b57cec5SDimitry Andric operator/(const year& y, const month_weekday_last& mwdl) noexcept; 6250b57cec5SDimitry Andricconstexpr year_month_weekday_last 6260b57cec5SDimitry Andric operator/(int y, const month_weekday_last& mwdl) noexcept; 6270b57cec5SDimitry Andricconstexpr year_month_weekday_last 6280b57cec5SDimitry Andric operator/(const month_weekday_last& mwdl, const year& y) noexcept; 6290b57cec5SDimitry Andricconstexpr year_month_weekday_last 6300b57cec5SDimitry Andric operator/(const month_weekday_last& mwdl, int y) noexcept; 6310b57cec5SDimitry Andric 632e40139ffSDimitry Andric// 26.9, class template hh_mm_ss 633e40139ffSDimitry Andrictemplate <class Duration> 634e40139ffSDimitry Andricclass hh_mm_ss 635e40139ffSDimitry Andric{ 636e40139ffSDimitry Andric bool is_neg; // exposition only 637e40139ffSDimitry Andric chrono::hours h; // exposition only 638e40139ffSDimitry Andric chrono::minutes m; // exposition only 639e40139ffSDimitry Andric chrono::seconds s; // exposition only 640e40139ffSDimitry Andric precision ss; // exposition only 6410b57cec5SDimitry Andric 642e40139ffSDimitry Andricpublic: 643e40139ffSDimitry Andric static unsigned constexpr fractional_width = see below; 644e40139ffSDimitry Andric using precision = see below; 645e40139ffSDimitry Andric 646e40139ffSDimitry Andric constexpr hh_mm_ss() noexcept : hh_mm_ss{Duration::zero()} {} 647e40139ffSDimitry Andric constexpr explicit hh_mm_ss(Duration d) noexcept; 648e40139ffSDimitry Andric 649e40139ffSDimitry Andric constexpr bool is_negative() const noexcept; 650e40139ffSDimitry Andric constexpr chrono::hours hours() const noexcept; 651e40139ffSDimitry Andric constexpr chrono::minutes minutes() const noexcept; 652e40139ffSDimitry Andric constexpr chrono::seconds seconds() const noexcept; 653e40139ffSDimitry Andric constexpr precision subseconds() const noexcept; 654e40139ffSDimitry Andric 655e40139ffSDimitry Andric constexpr explicit operator precision() const noexcept; 656e40139ffSDimitry Andric constexpr precision to_duration() const noexcept; 657e40139ffSDimitry Andric}; 658e40139ffSDimitry Andric 659e40139ffSDimitry Andric// 26.10, 12/24 hour functions 660e40139ffSDimitry Andricconstexpr bool is_am(hours const& h) noexcept; 661e40139ffSDimitry Andricconstexpr bool is_pm(hours const& h) noexcept; 662e40139ffSDimitry Andricconstexpr hours make12(const hours& h) noexcept; 663e40139ffSDimitry Andricconstexpr hours make24(const hours& h, bool is_pm) noexcept; 664e40139ffSDimitry Andric 6650b57cec5SDimitry Andric// 25.10.5, class time_zone // C++20 6660b57cec5SDimitry Andricenum class choose {earliest, latest}; 6670b57cec5SDimitry Andricclass time_zone; 6680b57cec5SDimitry Andricbool operator==(const time_zone& x, const time_zone& y) noexcept; 6690b57cec5SDimitry Andricbool operator!=(const time_zone& x, const time_zone& y) noexcept; 6700b57cec5SDimitry Andricbool operator<(const time_zone& x, const time_zone& y) noexcept; 6710b57cec5SDimitry Andricbool operator>(const time_zone& x, const time_zone& y) noexcept; 6720b57cec5SDimitry Andricbool operator<=(const time_zone& x, const time_zone& y) noexcept; 6730b57cec5SDimitry Andricbool operator>=(const time_zone& x, const time_zone& y) noexcept; 674*bdd1243dSDimitry Andric} // chrono 6750b57cec5SDimitry Andric 676*bdd1243dSDimitry Andricnamespace std { 677*bdd1243dSDimitry Andric template<class Rep, class Period, class charT> 678*bdd1243dSDimitry Andric struct formatter<chrono::duration<Rep, Period>, charT>; // C++20 679*bdd1243dSDimitry Andric template<class charT> struct formatter<chrono::day, charT>; // C++20 680*bdd1243dSDimitry Andric template<class charT> struct formatter<chrono::month, charT>; // C++20 681*bdd1243dSDimitry Andric template<class charT> struct formatter<chrono::year, charT>; // C++20 682*bdd1243dSDimitry Andric template<class charT> struct formatter<chrono::weekday, charT>; // C++20 683*bdd1243dSDimitry Andric template<class charT> struct formatter<chrono::weekday_indexed, charT>; // C++20 684*bdd1243dSDimitry Andric template<class charT> struct formatter<chrono::weekday_last, charT>; // C++20 685*bdd1243dSDimitry Andric template<class charT> struct formatter<chrono::month_day, charT>; // C++20 686*bdd1243dSDimitry Andric template<class charT> struct formatter<chrono::month_day_last, charT>; // C++20 687*bdd1243dSDimitry Andric template<class charT> struct formatter<chrono::month_weekday, charT>; // C++20 688*bdd1243dSDimitry Andric template<class charT> struct formatter<chrono::month_weekday_last, charT>; // C++20 689*bdd1243dSDimitry Andric template<class charT> struct formatter<chrono::year_month, charT>; // C++20 690*bdd1243dSDimitry Andric template<class charT> struct formatter<chrono::year_month_day, charT>; // C++20 691*bdd1243dSDimitry Andric template<class charT> struct formatter<chrono::year_month_day_last, charT>; // C++20 692*bdd1243dSDimitry Andric template<class charT> struct formatter<chrono::year_month_weekday, charT>; // C++20 693*bdd1243dSDimitry Andric template<class charT> struct formatter<chrono::year_month_weekday_last, charT>; // C++20 694*bdd1243dSDimitry Andric} // namespace std 695*bdd1243dSDimitry Andric 696*bdd1243dSDimitry Andricnamespace chrono { 6970b57cec5SDimitry Andric// calendrical constants 6980b57cec5SDimitry Andricinline constexpr last_spec last{}; // C++20 6990b57cec5SDimitry Andricinline constexpr chrono::weekday Sunday{0}; // C++20 7000b57cec5SDimitry Andricinline constexpr chrono::weekday Monday{1}; // C++20 7010b57cec5SDimitry Andricinline constexpr chrono::weekday Tuesday{2}; // C++20 7020b57cec5SDimitry Andricinline constexpr chrono::weekday Wednesday{3}; // C++20 7030b57cec5SDimitry Andricinline constexpr chrono::weekday Thursday{4}; // C++20 7040b57cec5SDimitry Andricinline constexpr chrono::weekday Friday{5}; // C++20 7050b57cec5SDimitry Andricinline constexpr chrono::weekday Saturday{6}; // C++20 7060b57cec5SDimitry Andric 7070b57cec5SDimitry Andricinline constexpr chrono::month January{1}; // C++20 7080b57cec5SDimitry Andricinline constexpr chrono::month February{2}; // C++20 7090b57cec5SDimitry Andricinline constexpr chrono::month March{3}; // C++20 7100b57cec5SDimitry Andricinline constexpr chrono::month April{4}; // C++20 7110b57cec5SDimitry Andricinline constexpr chrono::month May{5}; // C++20 7120b57cec5SDimitry Andricinline constexpr chrono::month June{6}; // C++20 7130b57cec5SDimitry Andricinline constexpr chrono::month July{7}; // C++20 7140b57cec5SDimitry Andricinline constexpr chrono::month August{8}; // C++20 7150b57cec5SDimitry Andricinline constexpr chrono::month September{9}; // C++20 7160b57cec5SDimitry Andricinline constexpr chrono::month October{10}; // C++20 7170b57cec5SDimitry Andricinline constexpr chrono::month November{11}; // C++20 7180b57cec5SDimitry Andricinline constexpr chrono::month December{12}; // C++20 7190b57cec5SDimitry Andric} // chrono 7200b57cec5SDimitry Andric 7210b57cec5SDimitry Andricinline namespace literals { 7220b57cec5SDimitry Andric inline namespace chrono_literals { 7230b57cec5SDimitry Andricconstexpr chrono::hours operator ""h(unsigned long long); // C++14 7240b57cec5SDimitry Andricconstexpr chrono::duration<unspecified , ratio<3600,1>> operator ""h(long double); // C++14 7250b57cec5SDimitry Andricconstexpr chrono::minutes operator ""min(unsigned long long); // C++14 7260b57cec5SDimitry Andricconstexpr chrono::duration<unspecified , ratio<60,1>> operator ""min(long double); // C++14 7270b57cec5SDimitry Andricconstexpr chrono::seconds operator ""s(unsigned long long); // C++14 7280b57cec5SDimitry Andricconstexpr chrono::duration<unspecified > operator ""s(long double); // C++14 7290b57cec5SDimitry Andricconstexpr chrono::milliseconds operator ""ms(unsigned long long); // C++14 7300b57cec5SDimitry Andricconstexpr chrono::duration<unspecified , milli> operator ""ms(long double); // C++14 7310b57cec5SDimitry Andricconstexpr chrono::microseconds operator ""us(unsigned long long); // C++14 7320b57cec5SDimitry Andricconstexpr chrono::duration<unspecified , micro> operator ""us(long double); // C++14 7330b57cec5SDimitry Andricconstexpr chrono::nanoseconds operator ""ns(unsigned long long); // C++14 7340b57cec5SDimitry Andricconstexpr chrono::duration<unspecified , nano> operator ""ns(long double); // C++14 7350b57cec5SDimitry Andricconstexpr chrono::day operator ""d(unsigned long long d) noexcept; // C++20 7360b57cec5SDimitry Andricconstexpr chrono::year operator ""y(unsigned long long y) noexcept; // C++20 7370b57cec5SDimitry Andric} // chrono_literals 7380b57cec5SDimitry Andric} // literals 7390b57cec5SDimitry Andric 7400b57cec5SDimitry Andric} // std 7410b57cec5SDimitry Andric*/ 7420b57cec5SDimitry Andric 74381ad6265SDimitry Andric#include <__assert> // all public C++ headers provide the assertion handler 74404eeddc0SDimitry Andric#include <__chrono/calendar.h> 74504eeddc0SDimitry Andric#include <__chrono/convert_to_timespec.h> 746*bdd1243dSDimitry Andric#include <__chrono/convert_to_tm.h> 74781ad6265SDimitry Andric#include <__chrono/day.h> 74804eeddc0SDimitry Andric#include <__chrono/duration.h> 74904eeddc0SDimitry Andric#include <__chrono/file_clock.h> 75081ad6265SDimitry Andric#include <__chrono/hh_mm_ss.h> 75104eeddc0SDimitry Andric#include <__chrono/high_resolution_clock.h> 75281ad6265SDimitry Andric#include <__chrono/literals.h> 75381ad6265SDimitry Andric#include <__chrono/month.h> 75481ad6265SDimitry Andric#include <__chrono/month_weekday.h> 75581ad6265SDimitry Andric#include <__chrono/monthday.h> 75604eeddc0SDimitry Andric#include <__chrono/steady_clock.h> 75704eeddc0SDimitry Andric#include <__chrono/system_clock.h> 75804eeddc0SDimitry Andric#include <__chrono/time_point.h> 75981ad6265SDimitry Andric#include <__chrono/weekday.h> 76081ad6265SDimitry Andric#include <__chrono/year.h> 76181ad6265SDimitry Andric#include <__chrono/year_month.h> 76281ad6265SDimitry Andric#include <__chrono/year_month_day.h> 76381ad6265SDimitry Andric#include <__chrono/year_month_weekday.h> 764fe6060f1SDimitry Andric#include <__config> 7650b57cec5SDimitry Andric#include <version> 7660b57cec5SDimitry Andric 767753f127fSDimitry Andric// standard-mandated includes 768*bdd1243dSDimitry Andric 769*bdd1243dSDimitry Andric// [time.syn] 770753f127fSDimitry Andric#include <compare> 771753f127fSDimitry Andric 772*bdd1243dSDimitry Andric#if !defined(_LIBCPP_HAS_NO_LOCALIZATION) && !defined(_LIBCPP_HAS_NO_INCOMPLETE_FORMAT) && _LIBCPP_STD_VER > 17 773*bdd1243dSDimitry Andric# include <__chrono/formatter.h> 774*bdd1243dSDimitry Andric# include <__chrono/ostream.h> 775*bdd1243dSDimitry Andric# include <__chrono/parser_std_format_spec.h> 776*bdd1243dSDimitry Andric# include <__chrono/statically_widen.h> 777*bdd1243dSDimitry Andric#endif 778*bdd1243dSDimitry Andric 779*bdd1243dSDimitry Andric 7800b57cec5SDimitry Andric#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 7810b57cec5SDimitry Andric# pragma GCC system_header 7820b57cec5SDimitry Andric#endif 7830b57cec5SDimitry Andric 784*bdd1243dSDimitry Andric#if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20 785*bdd1243dSDimitry Andric# include <concepts> 786*bdd1243dSDimitry Andric#endif 787*bdd1243dSDimitry Andric 7880b57cec5SDimitry Andric#endif // _LIBCPP_CHRONO 789