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 13*5f757f3fSDimitry Andric// clang-format off 14*5f757f3fSDimitry Andric 150b57cec5SDimitry Andric/* 160b57cec5SDimitry Andric chrono synopsis 170b57cec5SDimitry Andric 18753f127fSDimitry Andric#include <compare> // C++20 19753f127fSDimitry Andric 200b57cec5SDimitry Andricnamespace std 210b57cec5SDimitry Andric{ 220b57cec5SDimitry Andricnamespace chrono 230b57cec5SDimitry Andric{ 240b57cec5SDimitry Andric 250b57cec5SDimitry Andrictemplate <class ToDuration, class Rep, class Period> 260b57cec5SDimitry Andricconstexpr 270b57cec5SDimitry AndricToDuration 280b57cec5SDimitry Andricduration_cast(const duration<Rep, Period>& fd); 290b57cec5SDimitry Andric 300b57cec5SDimitry Andrictemplate <class Rep> struct treat_as_floating_point : is_floating_point<Rep> {}; 310b57cec5SDimitry Andric 320b57cec5SDimitry Andrictemplate <class Rep> inline constexpr bool treat_as_floating_point_v 330b57cec5SDimitry Andric = treat_as_floating_point<Rep>::value; // C++17 340b57cec5SDimitry Andric 350b57cec5SDimitry Andrictemplate <class Rep> 360b57cec5SDimitry Andricstruct duration_values 370b57cec5SDimitry Andric{ 380b57cec5SDimitry Andricpublic: 390b57cec5SDimitry Andric static constexpr Rep zero(); // noexcept in C++20 400b57cec5SDimitry Andric static constexpr Rep max(); // noexcept in C++20 410b57cec5SDimitry Andric static constexpr Rep min(); // noexcept in C++20 420b57cec5SDimitry Andric}; 430b57cec5SDimitry Andric 440b57cec5SDimitry Andric// duration 450b57cec5SDimitry Andric 460b57cec5SDimitry Andrictemplate <class Rep, class Period = ratio<1>> 470b57cec5SDimitry Andricclass duration 480b57cec5SDimitry Andric{ 490b57cec5SDimitry Andric static_assert(!__is_duration<Rep>::value, "A duration representation can not be a duration"); 500b57cec5SDimitry Andric static_assert(__is_ratio<Period>::value, "Second template parameter of duration must be a std::ratio"); 510b57cec5SDimitry Andric static_assert(Period::num > 0, "duration period must be positive"); 520b57cec5SDimitry Andricpublic: 530b57cec5SDimitry Andric typedef Rep rep; 540b57cec5SDimitry Andric typedef typename _Period::type period; 550b57cec5SDimitry Andric 560b57cec5SDimitry Andric constexpr duration() = default; 570b57cec5SDimitry Andric template <class Rep2> 580b57cec5SDimitry Andric constexpr explicit duration(const Rep2& r, 590b57cec5SDimitry Andric typename enable_if 600b57cec5SDimitry Andric < 610b57cec5SDimitry Andric is_convertible<Rep2, rep>::value && 620b57cec5SDimitry Andric (treat_as_floating_point<rep>::value || 630b57cec5SDimitry Andric !treat_as_floating_point<rep>::value && !treat_as_floating_point<Rep2>::value) 640b57cec5SDimitry Andric >::type* = 0); 650b57cec5SDimitry Andric 660b57cec5SDimitry Andric // conversions 670b57cec5SDimitry Andric template <class Rep2, class Period2> 680b57cec5SDimitry Andric constexpr duration(const duration<Rep2, Period2>& d, 690b57cec5SDimitry Andric typename enable_if 700b57cec5SDimitry Andric < 710b57cec5SDimitry Andric treat_as_floating_point<rep>::value || 720b57cec5SDimitry Andric ratio_divide<Period2, period>::type::den == 1 730b57cec5SDimitry Andric >::type* = 0); 740b57cec5SDimitry Andric 750b57cec5SDimitry Andric // observer 760b57cec5SDimitry Andric 770b57cec5SDimitry Andric constexpr rep count() const; 780b57cec5SDimitry Andric 790b57cec5SDimitry Andric // arithmetic 800b57cec5SDimitry Andric 810b57cec5SDimitry Andric constexpr common_type<duration>::type operator+() const; 820b57cec5SDimitry Andric constexpr common_type<duration>::type operator-() const; 830b57cec5SDimitry Andric constexpr duration& operator++(); // constexpr in C++17 840b57cec5SDimitry Andric constexpr duration operator++(int); // constexpr in C++17 850b57cec5SDimitry Andric constexpr duration& operator--(); // constexpr in C++17 860b57cec5SDimitry Andric constexpr duration operator--(int); // constexpr in C++17 870b57cec5SDimitry Andric 880b57cec5SDimitry Andric constexpr duration& operator+=(const duration& d); // constexpr in C++17 890b57cec5SDimitry Andric constexpr duration& operator-=(const duration& d); // constexpr in C++17 900b57cec5SDimitry Andric 910b57cec5SDimitry Andric duration& operator*=(const rep& rhs); // constexpr in C++17 920b57cec5SDimitry Andric duration& operator/=(const rep& rhs); // constexpr in C++17 930b57cec5SDimitry Andric duration& operator%=(const rep& rhs); // constexpr in C++17 940b57cec5SDimitry Andric duration& operator%=(const duration& rhs); // constexpr in C++17 950b57cec5SDimitry Andric 960b57cec5SDimitry Andric // special values 970b57cec5SDimitry Andric 980b57cec5SDimitry Andric static constexpr duration zero(); // noexcept in C++20 990b57cec5SDimitry Andric static constexpr duration min(); // noexcept in C++20 1000b57cec5SDimitry Andric static constexpr duration max(); // noexcept in C++20 1010b57cec5SDimitry Andric}; 1020b57cec5SDimitry Andric 1030b57cec5SDimitry Andrictypedef duration<long long, nano> nanoseconds; 1040b57cec5SDimitry Andrictypedef duration<long long, micro> microseconds; 1050b57cec5SDimitry Andrictypedef duration<long long, milli> milliseconds; 1060b57cec5SDimitry Andrictypedef duration<long long > seconds; 1070b57cec5SDimitry Andrictypedef duration< long, ratio< 60> > minutes; 1080b57cec5SDimitry Andrictypedef duration< long, ratio<3600> > hours; 1090b57cec5SDimitry Andric 1100b57cec5SDimitry Andrictemplate <class Clock, class Duration = typename Clock::duration> 1110b57cec5SDimitry Andricclass time_point 1120b57cec5SDimitry Andric{ 1130b57cec5SDimitry Andricpublic: 1140b57cec5SDimitry Andric typedef Clock clock; 1150b57cec5SDimitry Andric typedef Duration duration; 1160b57cec5SDimitry Andric typedef typename duration::rep rep; 1170b57cec5SDimitry Andric typedef typename duration::period period; 1180b57cec5SDimitry Andricprivate: 1190b57cec5SDimitry Andric duration d_; // exposition only 1200b57cec5SDimitry Andric 1210b57cec5SDimitry Andricpublic: 1220b57cec5SDimitry Andric time_point(); // has value "epoch" // constexpr in C++14 1230b57cec5SDimitry Andric explicit time_point(const duration& d); // same as time_point() + d // constexpr in C++14 1240b57cec5SDimitry Andric 1250b57cec5SDimitry Andric // conversions 1260b57cec5SDimitry Andric template <class Duration2> 1270b57cec5SDimitry Andric time_point(const time_point<clock, Duration2>& t); // constexpr in C++14 1280b57cec5SDimitry Andric 1290b57cec5SDimitry Andric // observer 1300b57cec5SDimitry Andric 1310b57cec5SDimitry Andric duration time_since_epoch() const; // constexpr in C++14 1320b57cec5SDimitry Andric 1330b57cec5SDimitry Andric // arithmetic 1340b57cec5SDimitry Andric 1350b57cec5SDimitry Andric time_point& operator+=(const duration& d); // constexpr in C++17 1360b57cec5SDimitry Andric time_point& operator-=(const duration& d); // constexpr in C++17 1370b57cec5SDimitry Andric 1380b57cec5SDimitry Andric // special values 1390b57cec5SDimitry Andric 1400b57cec5SDimitry Andric static constexpr time_point min(); // noexcept in C++20 1410b57cec5SDimitry Andric static constexpr time_point max(); // noexcept in C++20 1420b57cec5SDimitry Andric}; 1430b57cec5SDimitry Andric 1440b57cec5SDimitry Andric} // chrono 1450b57cec5SDimitry Andric 1460b57cec5SDimitry Andric// common_type traits 1470b57cec5SDimitry Andrictemplate <class Rep1, class Period1, class Rep2, class Period2> 1480b57cec5SDimitry Andric struct common_type<chrono::duration<Rep1, Period1>, chrono::duration<Rep2, Period2>>; 1490b57cec5SDimitry Andric 1500b57cec5SDimitry Andrictemplate <class Clock, class Duration1, class Duration2> 1510b57cec5SDimitry Andric struct common_type<chrono::time_point<Clock, Duration1>, chrono::time_point<Clock, Duration2>>; 1520b57cec5SDimitry Andric 1530b57cec5SDimitry Andricnamespace chrono { 1540b57cec5SDimitry Andric 1550b57cec5SDimitry Andric// duration arithmetic 1560b57cec5SDimitry Andrictemplate <class Rep1, class Period1, class Rep2, class Period2> 1570b57cec5SDimitry Andric constexpr 1580b57cec5SDimitry Andric typename common_type<duration<Rep1, Period1>, duration<Rep2, Period2>>::type 1590b57cec5SDimitry Andric operator+(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); 1600b57cec5SDimitry Andrictemplate <class Rep1, class Period1, class Rep2, class Period2> 1610b57cec5SDimitry Andric constexpr 1620b57cec5SDimitry Andric typename common_type<duration<Rep1, Period1>, duration<Rep2, Period2>>::type 1630b57cec5SDimitry Andric operator-(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); 1640b57cec5SDimitry Andrictemplate <class Rep1, class Period, class Rep2> 1650b57cec5SDimitry Andric constexpr 1660b57cec5SDimitry Andric duration<typename common_type<Rep1, Rep2>::type, Period> 1670b57cec5SDimitry Andric operator*(const duration<Rep1, Period>& d, const Rep2& s); 1680b57cec5SDimitry Andrictemplate <class Rep1, class Period, class Rep2> 1690b57cec5SDimitry Andric constexpr 1700b57cec5SDimitry Andric duration<typename common_type<Rep1, Rep2>::type, Period> 1710b57cec5SDimitry Andric operator*(const Rep1& s, const duration<Rep2, Period>& d); 1720b57cec5SDimitry Andrictemplate <class Rep1, class Period, class Rep2> 1730b57cec5SDimitry Andric constexpr 1740b57cec5SDimitry Andric duration<typename common_type<Rep1, Rep2>::type, Period> 1750b57cec5SDimitry Andric operator/(const duration<Rep1, Period>& d, const Rep2& s); 1760b57cec5SDimitry Andrictemplate <class Rep1, class Period1, class Rep2, class Period2> 1770b57cec5SDimitry Andric constexpr 1780b57cec5SDimitry Andric typename common_type<Rep1, Rep2>::type 1790b57cec5SDimitry Andric operator/(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); 1800b57cec5SDimitry Andric 1810b57cec5SDimitry Andric// duration comparisons 1820b57cec5SDimitry Andrictemplate <class Rep1, class Period1, class Rep2, class Period2> 1830b57cec5SDimitry Andric constexpr 1840b57cec5SDimitry Andric bool operator==(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); 1850b57cec5SDimitry Andrictemplate <class Rep1, class Period1, class Rep2, class Period2> 1860b57cec5SDimitry Andric constexpr 18706c3fb27SDimitry Andric bool operator!=(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); // removed in C++20 1880b57cec5SDimitry Andrictemplate <class Rep1, class Period1, class Rep2, class Period2> 1890b57cec5SDimitry Andric constexpr 1900b57cec5SDimitry Andric bool operator< (const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); 1910b57cec5SDimitry Andrictemplate <class Rep1, class Period1, class Rep2, class Period2> 1920b57cec5SDimitry Andric constexpr 1930b57cec5SDimitry Andric bool operator<=(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); 1940b57cec5SDimitry Andrictemplate <class Rep1, class Period1, class Rep2, class Period2> 1950b57cec5SDimitry Andric constexpr 1960b57cec5SDimitry Andric bool operator> (const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); 1970b57cec5SDimitry Andrictemplate <class Rep1, class Period1, class Rep2, class Period2> 1980b57cec5SDimitry Andric constexpr 1990b57cec5SDimitry Andric bool operator>=(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); 20006c3fb27SDimitry Andrictemplate<class Rep1, class Period1, class Rep2, class Period2> 20106c3fb27SDimitry Andric requires three_way_comparable<typename CT::rep> 20206c3fb27SDimitry Andric constexpr auto operator<=>(const duration<Rep1, Period1>& lhs, 20306c3fb27SDimitry Andric const duration<Rep2, Period2>& rhs); // since C++20 2040b57cec5SDimitry Andric 2050b57cec5SDimitry Andric// duration_cast 2060b57cec5SDimitry Andrictemplate <class ToDuration, class Rep, class Period> 2070b57cec5SDimitry Andric ToDuration duration_cast(const duration<Rep, Period>& d); 2080b57cec5SDimitry Andric 2090b57cec5SDimitry Andrictemplate <class ToDuration, class Rep, class Period> 2100b57cec5SDimitry Andric constexpr ToDuration floor(const duration<Rep, Period>& d); // C++17 2110b57cec5SDimitry Andrictemplate <class ToDuration, class Rep, class Period> 2120b57cec5SDimitry Andric constexpr ToDuration ceil(const duration<Rep, Period>& d); // C++17 2130b57cec5SDimitry Andrictemplate <class ToDuration, class Rep, class Period> 2140b57cec5SDimitry Andric constexpr ToDuration round(const duration<Rep, Period>& d); // C++17 2150b57cec5SDimitry Andric 216bdd1243dSDimitry Andric// duration I/O 217bdd1243dSDimitry Andrictemplate<class charT, class traits, class Rep, class Period> // C++20 218bdd1243dSDimitry Andric basic_ostream<charT, traits>& 219bdd1243dSDimitry Andric operator<<(basic_ostream<charT, traits>& os, 220bdd1243dSDimitry Andric const duration<Rep, Period>& d); 2210b57cec5SDimitry Andric 2220b57cec5SDimitry Andric// time_point arithmetic (all constexpr in C++14) 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 Rep1, class Period1, class Clock, class Duration2> 2270b57cec5SDimitry Andric time_point<Clock, typename common_type<duration<Rep1, Period1>, Duration2>::type> 2280b57cec5SDimitry Andric operator+(const duration<Rep1, Period1>& lhs, const time_point<Clock, Duration2>& rhs); 2290b57cec5SDimitry Andrictemplate <class Clock, class Duration1, class Rep2, class Period2> 2300b57cec5SDimitry Andric time_point<Clock, typename common_type<Duration1, duration<Rep2, Period2>>::type> 2310b57cec5SDimitry Andric operator-(const time_point<Clock, Duration1>& lhs, const duration<Rep2, Period2>& rhs); 2320b57cec5SDimitry Andrictemplate <class Clock, class Duration1, class Duration2> 2330b57cec5SDimitry Andric typename common_type<Duration1, Duration2>::type 2340b57cec5SDimitry Andric operator-(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs); 2350b57cec5SDimitry Andric 2360b57cec5SDimitry Andric// time_point comparisons (all constexpr in C++14) 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> 24006c3fb27SDimitry Andric bool operator!=(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs); // removed in C++20 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 Andrictemplate <class Clock, class Duration1, class Duration2> 2440b57cec5SDimitry Andric bool operator<=(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs); 2450b57cec5SDimitry Andrictemplate <class Clock, class Duration1, class Duration2> 2460b57cec5SDimitry Andric bool operator> (const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs); 2470b57cec5SDimitry Andrictemplate <class Clock, class Duration1, class Duration2> 2480b57cec5SDimitry Andric bool operator>=(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs); 24906c3fb27SDimitry Andrictemplate<class Clock, class Duration1, 25006c3fb27SDimitry Andric three_way_comparable_with<Duration1> Duration2> 25106c3fb27SDimitry Andric constexpr auto operator<=>(const time_point<Clock, Duration1>& lhs, 25206c3fb27SDimitry Andric const time_point<Clock, Duration2>& rhs); // since C++20 2530b57cec5SDimitry Andric 2540b57cec5SDimitry Andric// time_point_cast (constexpr in C++14) 2550b57cec5SDimitry Andric 2560b57cec5SDimitry Andrictemplate <class ToDuration, class Clock, class Duration> 2570b57cec5SDimitry Andric time_point<Clock, ToDuration> time_point_cast(const time_point<Clock, Duration>& t); 2580b57cec5SDimitry Andric 2590b57cec5SDimitry Andrictemplate <class ToDuration, class Clock, class Duration> 2600b57cec5SDimitry Andric constexpr time_point<Clock, ToDuration> 2610b57cec5SDimitry Andric floor(const time_point<Clock, Duration>& tp); // C++17 2620b57cec5SDimitry Andric 2630b57cec5SDimitry Andrictemplate <class ToDuration, class Clock, class Duration> 2640b57cec5SDimitry Andric constexpr time_point<Clock, ToDuration> 2650b57cec5SDimitry Andric ceil(const time_point<Clock, Duration>& tp); // C++17 2660b57cec5SDimitry Andric 2670b57cec5SDimitry Andrictemplate <class ToDuration, class Clock, class Duration> 2680b57cec5SDimitry Andric constexpr time_point<Clock, ToDuration> 2690b57cec5SDimitry Andric round(const time_point<Clock, Duration>& tp); // C++17 2700b57cec5SDimitry Andric 2710b57cec5SDimitry Andrictemplate <class Rep, class Period> 2720b57cec5SDimitry Andric constexpr duration<Rep, Period> abs(duration<Rep, Period> d); // C++17 2730b57cec5SDimitry Andric 2740b57cec5SDimitry Andric// Clocks 2750b57cec5SDimitry Andric 2760b57cec5SDimitry Andricclass system_clock 2770b57cec5SDimitry Andric{ 2780b57cec5SDimitry Andricpublic: 2790b57cec5SDimitry Andric typedef microseconds duration; 2800b57cec5SDimitry Andric typedef duration::rep rep; 2810b57cec5SDimitry Andric typedef duration::period period; 2820b57cec5SDimitry Andric typedef chrono::time_point<system_clock> time_point; 2830b57cec5SDimitry Andric static const bool is_steady = false; // constexpr in C++14 2840b57cec5SDimitry Andric 2850b57cec5SDimitry Andric static time_point now() noexcept; 2860b57cec5SDimitry Andric static time_t to_time_t (const time_point& __t) noexcept; 2870b57cec5SDimitry Andric static time_point from_time_t(time_t __t) noexcept; 2880b57cec5SDimitry Andric}; 2890b57cec5SDimitry Andric 2900b57cec5SDimitry Andrictemplate <class Duration> 2910b57cec5SDimitry Andric using sys_time = time_point<system_clock, Duration>; // C++20 2920b57cec5SDimitry Andricusing sys_seconds = sys_time<seconds>; // C++20 2930b57cec5SDimitry Andricusing sys_days = sys_time<days>; // C++20 2940b57cec5SDimitry Andric 29506c3fb27SDimitry Andrictemplate<class charT, class traits, class Duration> // C++20 29606c3fb27SDimitry Andric basic_ostream<charT, traits>& 29706c3fb27SDimitry Andric operator<<(basic_ostream<charT, traits>& os, const sys_time<Duration>& tp); 29806c3fb27SDimitry Andric 299349cc55cSDimitry Andricclass file_clock // C++20 300349cc55cSDimitry Andric{ 301349cc55cSDimitry Andricpublic: 302349cc55cSDimitry Andric typedef see-below rep; 303349cc55cSDimitry Andric typedef nano period; 304349cc55cSDimitry Andric typedef chrono::duration<rep, period> duration; 305349cc55cSDimitry Andric typedef chrono::time_point<file_clock> time_point; 306349cc55cSDimitry Andric static constexpr bool is_steady = false; 307349cc55cSDimitry Andric 308349cc55cSDimitry Andric static time_point now() noexcept; 3090b57cec5SDimitry Andric 3100b57cec5SDimitry Andric template<class Duration> 311349cc55cSDimitry Andric static sys_time<see-below> to_sys(const file_time<Duration>&); 3120b57cec5SDimitry Andric 3130b57cec5SDimitry Andric template<class Duration> 314349cc55cSDimitry Andric static file_time<see-below> from_sys(const sys_time<Duration>&); 315349cc55cSDimitry Andric}; 3160b57cec5SDimitry Andric 3170b57cec5SDimitry Andrictemplate<class Duration> 3180b57cec5SDimitry Andric using file_time = time_point<file_clock, Duration>; // C++20 3190b57cec5SDimitry Andric 32006c3fb27SDimitry Andrictemplate<class charT, class traits, class Duration> // C++20 32106c3fb27SDimitry Andric basic_ostream<charT, traits>& 32206c3fb27SDimitry Andric operator<<(basic_ostream<charT, traits>& os, const file_time<Duration>& tp); 32306c3fb27SDimitry Andric 3240b57cec5SDimitry Andricclass steady_clock 3250b57cec5SDimitry Andric{ 3260b57cec5SDimitry Andricpublic: 3270b57cec5SDimitry Andric typedef nanoseconds duration; 3280b57cec5SDimitry Andric typedef duration::rep rep; 3290b57cec5SDimitry Andric typedef duration::period period; 3300b57cec5SDimitry Andric typedef chrono::time_point<steady_clock, duration> time_point; 3310b57cec5SDimitry Andric static const bool is_steady = true; // constexpr in C++14 3320b57cec5SDimitry Andric 3330b57cec5SDimitry Andric static time_point now() noexcept; 3340b57cec5SDimitry Andric}; 3350b57cec5SDimitry Andric 3360b57cec5SDimitry Andrictypedef steady_clock high_resolution_clock; 3370b57cec5SDimitry Andric 3380b57cec5SDimitry Andric// 25.7.8, local time // C++20 3390b57cec5SDimitry Andricstruct local_t {}; 3400b57cec5SDimitry Andrictemplate<class Duration> 3410b57cec5SDimitry Andric using local_time = time_point<local_t, Duration>; 3420b57cec5SDimitry Andricusing local_seconds = local_time<seconds>; 3430b57cec5SDimitry Andricusing local_days = local_time<days>; 3440b57cec5SDimitry Andric 34506c3fb27SDimitry Andrictemplate<class charT, class traits, class Duration> // C++20 34606c3fb27SDimitry Andric basic_ostream<charT, traits>& 34706c3fb27SDimitry Andric operator<<(basic_ostream<charT, traits>& os, const local_time<Duration>& tp); 34806c3fb27SDimitry Andric 3490b57cec5SDimitry Andric// 25.8.2, class last_spec // C++20 3500b57cec5SDimitry Andricstruct last_spec; 3510b57cec5SDimitry Andric 3520b57cec5SDimitry Andric// 25.8.3, class day // C++20 3530b57cec5SDimitry Andric 3540b57cec5SDimitry Andricclass day; 3550b57cec5SDimitry Andricconstexpr bool operator==(const day& x, const day& y) noexcept; 356753f127fSDimitry Andricconstexpr strong_ordering operator<=>(const day& x, const day& y) noexcept; 3570b57cec5SDimitry Andricconstexpr day operator+(const day& x, const days& y) noexcept; 3580b57cec5SDimitry Andricconstexpr day operator+(const days& x, const day& y) noexcept; 3590b57cec5SDimitry Andricconstexpr day operator-(const day& x, const days& y) noexcept; 3600b57cec5SDimitry Andricconstexpr days operator-(const day& x, const day& y) noexcept; 361bdd1243dSDimitry Andrictemplate<class charT, class traits> 362bdd1243dSDimitry Andric basic_ostream<charT, traits>& 363bdd1243dSDimitry Andric operator<<(basic_ostream<charT, traits>& os, const day& d); 3640b57cec5SDimitry Andric 3650b57cec5SDimitry Andric// 25.8.4, class month // C++20 3660b57cec5SDimitry Andricclass month; 3670b57cec5SDimitry Andricconstexpr bool operator==(const month& x, const month& y) noexcept; 368bdd1243dSDimitry Andricconstexpr strong_ordering operator<=>(const month& x, const month& y) noexcept; 369bdd1243dSDimitry Andric 3700b57cec5SDimitry Andricconstexpr month operator+(const month& x, const months& y) noexcept; 3710b57cec5SDimitry Andricconstexpr month operator+(const months& x, const month& y) noexcept; 3720b57cec5SDimitry Andricconstexpr month operator-(const month& x, const months& y) noexcept; 3730b57cec5SDimitry Andricconstexpr months operator-(const month& x, const month& y) noexcept; 374bdd1243dSDimitry Andrictemplate<class charT, class traits> 375bdd1243dSDimitry Andric basic_ostream<charT, traits>& 376bdd1243dSDimitry Andric operator<<(basic_ostream<charT, traits>& os, const month& m); 3770b57cec5SDimitry Andric 3780b57cec5SDimitry Andric// 25.8.5, class year // C++20 3790b57cec5SDimitry Andricclass year; 3800b57cec5SDimitry Andricconstexpr bool operator==(const year& x, const year& y) noexcept; 381bdd1243dSDimitry Andricconstexpr strong_ordering operator<=>(const year& x, const year& y) noexcept; 382bdd1243dSDimitry Andric 3830b57cec5SDimitry Andricconstexpr year operator+(const year& x, const years& y) noexcept; 3840b57cec5SDimitry Andricconstexpr year operator+(const years& x, const year& y) noexcept; 3850b57cec5SDimitry Andricconstexpr year operator-(const year& x, const years& y) noexcept; 3860b57cec5SDimitry Andricconstexpr years operator-(const year& x, const year& y) noexcept; 387bdd1243dSDimitry Andrictemplate<class charT, class traits> 388bdd1243dSDimitry Andric basic_ostream<charT, traits>& 389bdd1243dSDimitry Andric operator<<(basic_ostream<charT, traits>& os, const year& y); 3900b57cec5SDimitry Andric 3910b57cec5SDimitry Andric// 25.8.6, class weekday // C++20 3920b57cec5SDimitry Andricclass weekday; 3930b57cec5SDimitry Andric 3940b57cec5SDimitry Andricconstexpr bool operator==(const weekday& x, const weekday& y) noexcept; 3950b57cec5SDimitry Andricconstexpr weekday operator+(const weekday& x, const days& y) noexcept; 3960b57cec5SDimitry Andricconstexpr weekday operator+(const days& x, const weekday& y) noexcept; 3970b57cec5SDimitry Andricconstexpr weekday operator-(const weekday& x, const days& y) noexcept; 3980b57cec5SDimitry Andricconstexpr days operator-(const weekday& x, const weekday& y) noexcept; 399bdd1243dSDimitry Andrictemplate<class charT, class traits> 400bdd1243dSDimitry Andric basic_ostream<charT, traits>& 401bdd1243dSDimitry Andric operator<<(basic_ostream<charT, traits>& os, const weekday& wd); 4020b57cec5SDimitry Andric 4030b57cec5SDimitry Andric// 25.8.7, class weekday_indexed // C++20 4040b57cec5SDimitry Andric 4050b57cec5SDimitry Andricclass weekday_indexed; 4060b57cec5SDimitry Andricconstexpr bool operator==(const weekday_indexed& x, const weekday_indexed& y) noexcept; 4070b57cec5SDimitry Andric 408bdd1243dSDimitry Andrictemplate<class charT, class traits> 409bdd1243dSDimitry Andric basic_ostream<charT, traits>& 410bdd1243dSDimitry Andric operator<<(basic_ostream<charT, traits>& os, const weekday_indexed& wdi); 411bdd1243dSDimitry Andric 4120b57cec5SDimitry Andric// 25.8.8, class weekday_last // C++20 4130b57cec5SDimitry Andricclass weekday_last; 4140b57cec5SDimitry Andric 4150b57cec5SDimitry Andricconstexpr bool operator==(const weekday_last& x, const weekday_last& y) noexcept; 4160b57cec5SDimitry Andric 417bdd1243dSDimitry Andrictemplate<class charT, class traits> 418bdd1243dSDimitry Andric basic_ostream<charT, traits>& 419bdd1243dSDimitry Andric operator<<(basic_ostream<charT, traits>& os, const weekday_last& wdl); 420bdd1243dSDimitry Andric 4210b57cec5SDimitry Andric// 25.8.9, class month_day // C++20 4220b57cec5SDimitry Andricclass month_day; 4230b57cec5SDimitry Andric 4240b57cec5SDimitry Andricconstexpr bool operator==(const month_day& x, const month_day& y) noexcept; 425bdd1243dSDimitry Andricconstexpr strong_ordering operator<=>(const month_day& x, const month_day& y) noexcept; 4260b57cec5SDimitry Andric 427bdd1243dSDimitry Andrictemplate<class charT, class traits> 428bdd1243dSDimitry Andric basic_ostream<charT, traits>& 429bdd1243dSDimitry Andric operator<<(basic_ostream<charT, traits>& os, const month_day& md); 4300b57cec5SDimitry Andric 4310b57cec5SDimitry Andric// 25.8.10, class month_day_last // C++20 4320b57cec5SDimitry Andricclass month_day_last; 4330b57cec5SDimitry Andric 4340b57cec5SDimitry Andricconstexpr bool operator==(const month_day_last& x, const month_day_last& y) noexcept; 435bdd1243dSDimitry Andricconstexpr strong_ordering operator<=>(const month_day_last& x, const month_day_last& y) noexcept; 436bdd1243dSDimitry Andric 437bdd1243dSDimitry Andrictemplate<class charT, class traits> 438bdd1243dSDimitry Andric basic_ostream<charT, traits>& 439bdd1243dSDimitry Andric operator<<(basic_ostream<charT, traits>& os, const month_day_last& mdl); 4400b57cec5SDimitry Andric 4410b57cec5SDimitry Andric// 25.8.11, class month_weekday // C++20 4420b57cec5SDimitry Andricclass month_weekday; 4430b57cec5SDimitry Andric 4440b57cec5SDimitry Andricconstexpr bool operator==(const month_weekday& x, const month_weekday& y) noexcept; 4450b57cec5SDimitry Andric 446bdd1243dSDimitry Andrictemplate<class charT, class traits> 447bdd1243dSDimitry Andric basic_ostream<charT, traits>& 448bdd1243dSDimitry Andric operator<<(basic_ostream<charT, traits>& os, const month_weekday& mwd); 449bdd1243dSDimitry Andric 4500b57cec5SDimitry Andric// 25.8.12, class month_weekday_last // C++20 4510b57cec5SDimitry Andricclass month_weekday_last; 4520b57cec5SDimitry Andric 4530b57cec5SDimitry Andricconstexpr bool operator==(const month_weekday_last& x, const month_weekday_last& y) noexcept; 4540b57cec5SDimitry Andric 455bdd1243dSDimitry Andrictemplate<class charT, class traits> 456bdd1243dSDimitry Andric basic_ostream<charT, traits>& 457bdd1243dSDimitry Andric operator<<(basic_ostream<charT, traits>& os, const month_weekday_last& mwdl); 458bdd1243dSDimitry Andric 4590b57cec5SDimitry Andric 4600b57cec5SDimitry Andric// 25.8.13, class year_month // C++20 4610b57cec5SDimitry Andricclass year_month; 4620b57cec5SDimitry Andric 4630b57cec5SDimitry Andricconstexpr bool operator==(const year_month& x, const year_month& y) noexcept; 464bdd1243dSDimitry Andricconstexpr strong_ordering operator<=>(const year_month& x, const year_month& y) noexcept; 4650b57cec5SDimitry Andric 4660b57cec5SDimitry Andricconstexpr year_month operator+(const year_month& ym, const months& dm) noexcept; 4670b57cec5SDimitry Andricconstexpr year_month operator+(const months& dm, const year_month& ym) noexcept; 4680b57cec5SDimitry Andricconstexpr year_month operator-(const year_month& ym, const months& dm) noexcept; 4690b57cec5SDimitry Andricconstexpr months operator-(const year_month& x, const year_month& y) noexcept; 4700b57cec5SDimitry Andricconstexpr year_month operator+(const year_month& ym, const years& dy) noexcept; 4710b57cec5SDimitry Andricconstexpr year_month operator+(const years& dy, const year_month& ym) noexcept; 4720b57cec5SDimitry Andricconstexpr year_month operator-(const year_month& ym, const years& dy) noexcept; 4730b57cec5SDimitry Andric 474bdd1243dSDimitry Andrictemplate<class charT, class traits> 475bdd1243dSDimitry Andric basic_ostream<charT, traits>& 476bdd1243dSDimitry Andric operator<<(basic_ostream<charT, traits>& os, const year_month& ym); 477bdd1243dSDimitry Andric 4780b57cec5SDimitry Andric// 25.8.14, class year_month_day class // C++20 4790b57cec5SDimitry Andricyear_month_day; 4800b57cec5SDimitry Andric 4810b57cec5SDimitry Andricconstexpr bool operator==(const year_month_day& x, const year_month_day& y) noexcept; 482bdd1243dSDimitry Andricconstexpr strong_ordering operator<=>(const year_month_day& x, const year_month_day& y) noexcept; 4830b57cec5SDimitry Andric 4840b57cec5SDimitry Andricconstexpr year_month_day operator+(const year_month_day& ymd, const months& dm) noexcept; 4850b57cec5SDimitry Andricconstexpr year_month_day operator+(const months& dm, const year_month_day& ymd) noexcept; 4860b57cec5SDimitry Andricconstexpr year_month_day operator+(const year_month_day& ymd, const years& dy) noexcept; 4870b57cec5SDimitry Andricconstexpr year_month_day operator+(const years& dy, const year_month_day& ymd) noexcept; 4880b57cec5SDimitry Andricconstexpr year_month_day operator-(const year_month_day& ymd, const months& dm) noexcept; 4890b57cec5SDimitry Andricconstexpr year_month_day operator-(const year_month_day& ymd, const years& dy) noexcept; 4900b57cec5SDimitry Andric 491bdd1243dSDimitry Andrictemplate<class charT, class traits> 492bdd1243dSDimitry Andric basic_ostream<charT, traits>& 493bdd1243dSDimitry Andric operator<<(basic_ostream<charT, traits>& os, const year_month_day& ymd); 4940b57cec5SDimitry Andric 4950b57cec5SDimitry Andric// 25.8.15, class year_month_day_last // C++20 4960b57cec5SDimitry Andricclass year_month_day_last; 4970b57cec5SDimitry Andric 498bdd1243dSDimitry Andricconstexpr bool operator==(const year_month_day_last& x, const year_month_day_last& y) noexcept; 499bdd1243dSDimitry Andricconstexpr strong_ordering operator<=>(const year_month_day_last_day& x, const year_month_day_last_day& y) noexcept; 5000b57cec5SDimitry Andric 5010b57cec5SDimitry Andricconstexpr year_month_day_last 5020b57cec5SDimitry Andric operator+(const year_month_day_last& ymdl, const months& dm) noexcept; 5030b57cec5SDimitry Andricconstexpr year_month_day_last 5040b57cec5SDimitry Andric operator+(const months& dm, const year_month_day_last& ymdl) noexcept; 5050b57cec5SDimitry Andricconstexpr year_month_day_last 5060b57cec5SDimitry Andric operator+(const year_month_day_last& ymdl, const years& dy) noexcept; 5070b57cec5SDimitry Andricconstexpr year_month_day_last 5080b57cec5SDimitry Andric operator+(const years& dy, const year_month_day_last& ymdl) noexcept; 5090b57cec5SDimitry Andricconstexpr year_month_day_last 5100b57cec5SDimitry Andric operator-(const year_month_day_last& ymdl, const months& dm) noexcept; 5110b57cec5SDimitry Andricconstexpr year_month_day_last 5120b57cec5SDimitry Andric operator-(const year_month_day_last& ymdl, const years& dy) noexcept; 5130b57cec5SDimitry Andric 514bdd1243dSDimitry Andrictemplate<class charT, class traits> 515bdd1243dSDimitry Andric basic_ostream<charT, traits>& 516bdd1243dSDimitry Andric operator<<(basic_ostream<charT, traits>& os, const year_month_day_last& ymdl); 517bdd1243dSDimitry Andric 5180b57cec5SDimitry Andric// 25.8.16, class year_month_weekday // C++20 5190b57cec5SDimitry Andricclass year_month_weekday; 5200b57cec5SDimitry Andric 5210b57cec5SDimitry Andricconstexpr bool operator==(const year_month_weekday& x, 5220b57cec5SDimitry Andric const year_month_weekday& y) noexcept; 5230b57cec5SDimitry Andric 5240b57cec5SDimitry Andricconstexpr year_month_weekday 5250b57cec5SDimitry Andric operator+(const year_month_weekday& ymwd, const months& dm) noexcept; 5260b57cec5SDimitry Andricconstexpr year_month_weekday 5270b57cec5SDimitry Andric operator+(const months& dm, const year_month_weekday& ymwd) noexcept; 5280b57cec5SDimitry Andricconstexpr year_month_weekday 5290b57cec5SDimitry Andric operator+(const year_month_weekday& ymwd, const years& dy) noexcept; 5300b57cec5SDimitry Andricconstexpr year_month_weekday 5310b57cec5SDimitry Andric operator+(const years& dy, const year_month_weekday& ymwd) noexcept; 5320b57cec5SDimitry Andricconstexpr year_month_weekday 5330b57cec5SDimitry Andric operator-(const year_month_weekday& ymwd, const months& dm) noexcept; 5340b57cec5SDimitry Andricconstexpr year_month_weekday 5350b57cec5SDimitry Andric operator-(const year_month_weekday& ymwd, const years& dy) noexcept; 5360b57cec5SDimitry Andric 537bdd1243dSDimitry Andrictemplate<class charT, class traits> 538bdd1243dSDimitry Andric basic_ostream<charT, traits>& 539bdd1243dSDimitry Andric operator<<(basic_ostream<charT, traits>& os, const year_month_weekday& ymwd); 540bdd1243dSDimitry Andric 5410b57cec5SDimitry Andric// 25.8.17, class year_month_weekday_last // C++20 5420b57cec5SDimitry Andricclass year_month_weekday_last; 5430b57cec5SDimitry Andric 5440b57cec5SDimitry Andricconstexpr bool operator==(const year_month_weekday_last& x, 5450b57cec5SDimitry Andric const year_month_weekday_last& y) noexcept; 5460b57cec5SDimitry Andricconstexpr year_month_weekday_last 5470b57cec5SDimitry Andric operator+(const year_month_weekday_last& ymwdl, const months& dm) noexcept; 5480b57cec5SDimitry Andricconstexpr year_month_weekday_last 5490b57cec5SDimitry Andric operator+(const months& dm, const year_month_weekday_last& ymwdl) noexcept; 5500b57cec5SDimitry Andricconstexpr year_month_weekday_last 5510b57cec5SDimitry Andric operator+(const year_month_weekday_last& ymwdl, const years& dy) noexcept; 5520b57cec5SDimitry Andricconstexpr year_month_weekday_last 5530b57cec5SDimitry Andric operator+(const years& dy, const year_month_weekday_last& ymwdl) noexcept; 5540b57cec5SDimitry Andricconstexpr year_month_weekday_last 5550b57cec5SDimitry Andric operator-(const year_month_weekday_last& ymwdl, const months& dm) noexcept; 5560b57cec5SDimitry Andricconstexpr year_month_weekday_last 5570b57cec5SDimitry Andric operator-(const year_month_weekday_last& ymwdl, const years& dy) noexcept; 5580b57cec5SDimitry Andric 559bdd1243dSDimitry Andrictemplate<class charT, class traits> 560bdd1243dSDimitry Andric basic_ostream<charT, traits>& 561bdd1243dSDimitry Andric operator<<(basic_ostream<charT, traits>& os, const year_month_weekday_last& ymwdl); 562bdd1243dSDimitry Andric 5630b57cec5SDimitry Andric// 25.8.18, civil calendar conventional syntax operators // C++20 5640b57cec5SDimitry Andricconstexpr year_month 5650b57cec5SDimitry Andric operator/(const year& y, const month& m) noexcept; 5660b57cec5SDimitry Andricconstexpr year_month 5670b57cec5SDimitry Andric operator/(const year& y, int m) noexcept; 5680b57cec5SDimitry Andricconstexpr month_day 5690b57cec5SDimitry Andric operator/(const month& m, const day& d) noexcept; 5700b57cec5SDimitry Andricconstexpr month_day 5710b57cec5SDimitry Andric operator/(const month& m, int d) noexcept; 5720b57cec5SDimitry Andricconstexpr month_day 5730b57cec5SDimitry Andric operator/(int m, const day& d) noexcept; 5740b57cec5SDimitry Andricconstexpr month_day 5750b57cec5SDimitry Andric operator/(const day& d, const month& m) noexcept; 5760b57cec5SDimitry Andricconstexpr month_day 5770b57cec5SDimitry Andric operator/(const day& d, int m) noexcept; 5780b57cec5SDimitry Andricconstexpr month_day_last 5790b57cec5SDimitry Andric operator/(const month& m, last_spec) noexcept; 5800b57cec5SDimitry Andricconstexpr month_day_last 5810b57cec5SDimitry Andric operator/(int m, last_spec) noexcept; 5820b57cec5SDimitry Andricconstexpr month_day_last 5830b57cec5SDimitry Andric operator/(last_spec, const month& m) noexcept; 5840b57cec5SDimitry Andricconstexpr month_day_last 5850b57cec5SDimitry Andric operator/(last_spec, int m) noexcept; 5860b57cec5SDimitry Andricconstexpr month_weekday 5870b57cec5SDimitry Andric operator/(const month& m, const weekday_indexed& wdi) noexcept; 5880b57cec5SDimitry Andricconstexpr month_weekday 5890b57cec5SDimitry Andric operator/(int m, const weekday_indexed& wdi) noexcept; 5900b57cec5SDimitry Andricconstexpr month_weekday 5910b57cec5SDimitry Andric operator/(const weekday_indexed& wdi, const month& m) noexcept; 5920b57cec5SDimitry Andricconstexpr month_weekday 5930b57cec5SDimitry Andric operator/(const weekday_indexed& wdi, int m) noexcept; 5940b57cec5SDimitry Andricconstexpr month_weekday_last 5950b57cec5SDimitry Andric operator/(const month& m, const weekday_last& wdl) noexcept; 5960b57cec5SDimitry Andricconstexpr month_weekday_last 5970b57cec5SDimitry Andric operator/(int m, const weekday_last& wdl) noexcept; 5980b57cec5SDimitry Andricconstexpr month_weekday_last 5990b57cec5SDimitry Andric operator/(const weekday_last& wdl, const month& m) noexcept; 6000b57cec5SDimitry Andricconstexpr month_weekday_last 6010b57cec5SDimitry Andric operator/(const weekday_last& wdl, int m) noexcept; 6020b57cec5SDimitry Andricconstexpr year_month_day 6030b57cec5SDimitry Andric operator/(const year_month& ym, const day& d) noexcept; 6040b57cec5SDimitry Andricconstexpr year_month_day 6050b57cec5SDimitry Andric operator/(const year_month& ym, int d) noexcept; 6060b57cec5SDimitry Andricconstexpr year_month_day 6070b57cec5SDimitry Andric operator/(const year& y, const month_day& md) noexcept; 6080b57cec5SDimitry Andricconstexpr year_month_day 6090b57cec5SDimitry Andric operator/(int y, const month_day& md) noexcept; 6100b57cec5SDimitry Andricconstexpr year_month_day 6110b57cec5SDimitry Andric operator/(const month_day& md, const year& y) noexcept; 6120b57cec5SDimitry Andricconstexpr year_month_day 6130b57cec5SDimitry Andric operator/(const month_day& md, int y) noexcept; 6140b57cec5SDimitry Andricconstexpr year_month_day_last 6150b57cec5SDimitry Andric operator/(const year_month& ym, last_spec) noexcept; 6160b57cec5SDimitry Andricconstexpr year_month_day_last 6170b57cec5SDimitry Andric operator/(const year& y, const month_day_last& mdl) noexcept; 6180b57cec5SDimitry Andricconstexpr year_month_day_last 6190b57cec5SDimitry Andric operator/(int y, const month_day_last& mdl) noexcept; 6200b57cec5SDimitry Andricconstexpr year_month_day_last 6210b57cec5SDimitry Andric operator/(const month_day_last& mdl, const year& y) noexcept; 6220b57cec5SDimitry Andricconstexpr year_month_day_last 6230b57cec5SDimitry Andric operator/(const month_day_last& mdl, int y) noexcept; 6240b57cec5SDimitry Andricconstexpr year_month_weekday 6250b57cec5SDimitry Andric operator/(const year_month& ym, const weekday_indexed& wdi) noexcept; 6260b57cec5SDimitry Andricconstexpr year_month_weekday 6270b57cec5SDimitry Andric operator/(const year& y, const month_weekday& mwd) noexcept; 6280b57cec5SDimitry Andricconstexpr year_month_weekday 6290b57cec5SDimitry Andric operator/(int y, const month_weekday& mwd) noexcept; 6300b57cec5SDimitry Andricconstexpr year_month_weekday 6310b57cec5SDimitry Andric operator/(const month_weekday& mwd, const year& y) noexcept; 6320b57cec5SDimitry Andricconstexpr year_month_weekday 6330b57cec5SDimitry Andric operator/(const month_weekday& mwd, int y) noexcept; 6340b57cec5SDimitry Andricconstexpr year_month_weekday_last 6350b57cec5SDimitry Andric operator/(const year_month& ym, const weekday_last& wdl) noexcept; 6360b57cec5SDimitry Andricconstexpr year_month_weekday_last 6370b57cec5SDimitry Andric operator/(const year& y, const month_weekday_last& mwdl) noexcept; 6380b57cec5SDimitry Andricconstexpr year_month_weekday_last 6390b57cec5SDimitry Andric operator/(int y, const month_weekday_last& mwdl) noexcept; 6400b57cec5SDimitry Andricconstexpr year_month_weekday_last 6410b57cec5SDimitry Andric operator/(const month_weekday_last& mwdl, const year& y) noexcept; 6420b57cec5SDimitry Andricconstexpr year_month_weekday_last 6430b57cec5SDimitry Andric operator/(const month_weekday_last& mwdl, int y) noexcept; 6440b57cec5SDimitry Andric 645e40139ffSDimitry Andric// 26.9, class template hh_mm_ss 646e40139ffSDimitry Andrictemplate <class Duration> 647e40139ffSDimitry Andricclass hh_mm_ss 648e40139ffSDimitry Andric{ 649e40139ffSDimitry Andric bool is_neg; // exposition only 650e40139ffSDimitry Andric chrono::hours h; // exposition only 651e40139ffSDimitry Andric chrono::minutes m; // exposition only 652e40139ffSDimitry Andric chrono::seconds s; // exposition only 653e40139ffSDimitry Andric precision ss; // exposition only 6540b57cec5SDimitry Andric 655e40139ffSDimitry Andricpublic: 656e40139ffSDimitry Andric static unsigned constexpr fractional_width = see below; 657e40139ffSDimitry Andric using precision = see below; 658e40139ffSDimitry Andric 659e40139ffSDimitry Andric constexpr hh_mm_ss() noexcept : hh_mm_ss{Duration::zero()} {} 660e40139ffSDimitry Andric constexpr explicit hh_mm_ss(Duration d) noexcept; 661e40139ffSDimitry Andric 662e40139ffSDimitry Andric constexpr bool is_negative() const noexcept; 663e40139ffSDimitry Andric constexpr chrono::hours hours() const noexcept; 664e40139ffSDimitry Andric constexpr chrono::minutes minutes() const noexcept; 665e40139ffSDimitry Andric constexpr chrono::seconds seconds() const noexcept; 666e40139ffSDimitry Andric constexpr precision subseconds() const noexcept; 667e40139ffSDimitry Andric 668e40139ffSDimitry Andric constexpr explicit operator precision() const noexcept; 669e40139ffSDimitry Andric constexpr precision to_duration() const noexcept; 670e40139ffSDimitry Andric}; 671e40139ffSDimitry Andric 67206c3fb27SDimitry Andrictemplate<class charT, class traits, class Duration> 67306c3fb27SDimitry Andric basic_ostream<charT, traits>& 67406c3fb27SDimitry Andric operator<<(basic_ostream<charT, traits>& os, const hh_mm_ss<Duration>& hms); // C++20 67506c3fb27SDimitry Andric 676e40139ffSDimitry Andric// 26.10, 12/24 hour functions 677e40139ffSDimitry Andricconstexpr bool is_am(hours const& h) noexcept; 678e40139ffSDimitry Andricconstexpr bool is_pm(hours const& h) noexcept; 679e40139ffSDimitry Andricconstexpr hours make12(const hours& h) noexcept; 680e40139ffSDimitry Andricconstexpr hours make24(const hours& h, bool is_pm) noexcept; 681e40139ffSDimitry Andric 682*5f757f3fSDimitry Andric// [time.zone.db], time zone database 683*5f757f3fSDimitry Andricstruct tzdb { // C++20 684*5f757f3fSDimitry Andric string version; 685*5f757f3fSDimitry Andric}; 686*5f757f3fSDimitry Andric 687*5f757f3fSDimitry Andricclass tzdb_list { // C++20 688*5f757f3fSDimitry Andricpublic: 689*5f757f3fSDimitry Andric tzdb_list(const tzdb_list&) = delete; 690*5f757f3fSDimitry Andric tzdb_list& operator=(const tzdb_list&) = delete; 691*5f757f3fSDimitry Andric 692*5f757f3fSDimitry Andric // unspecified additional constructors 693*5f757f3fSDimitry Andric 694*5f757f3fSDimitry Andric class const_iterator; 695*5f757f3fSDimitry Andric 696*5f757f3fSDimitry Andric const tzdb& front() const noexcept; 697*5f757f3fSDimitry Andric 698*5f757f3fSDimitry Andric const_iterator erase_after(const_iterator p); 699*5f757f3fSDimitry Andric 700*5f757f3fSDimitry Andric const_iterator begin() const noexcept; 701*5f757f3fSDimitry Andric const_iterator end() const noexcept; 702*5f757f3fSDimitry Andric 703*5f757f3fSDimitry Andric const_iterator cbegin() const noexcept; 704*5f757f3fSDimitry Andric const_iterator cend() const noexcept; 705*5f757f3fSDimitry Andric}; 706*5f757f3fSDimitry Andric 707*5f757f3fSDimitry Andric// [time.zone.db.access], time zone database access 708*5f757f3fSDimitry Andricconst tzdb& get_tzdb(); // C++20 709*5f757f3fSDimitry Andrictzdb_list& get_tzdb_list(); // C++20 710*5f757f3fSDimitry Andric 711*5f757f3fSDimitry Andric// [time.zone.db.remote], remote time zone database support 712*5f757f3fSDimitry Andricconst tzdb& reload_tzdb(); // C++20 713*5f757f3fSDimitry Andricstring remote_version(); // C++20 714*5f757f3fSDimitry Andric 7150b57cec5SDimitry Andric// 25.10.5, class time_zone // C++20 7160b57cec5SDimitry Andricenum class choose {earliest, latest}; 7170b57cec5SDimitry Andricclass time_zone; 7180b57cec5SDimitry Andricbool operator==(const time_zone& x, const time_zone& y) noexcept; 7190b57cec5SDimitry Andricbool operator!=(const time_zone& x, const time_zone& y) noexcept; 7200b57cec5SDimitry Andricbool operator<(const time_zone& x, const time_zone& y) noexcept; 7210b57cec5SDimitry Andricbool operator>(const time_zone& x, const time_zone& y) noexcept; 7220b57cec5SDimitry Andricbool operator<=(const time_zone& x, const time_zone& y) noexcept; 7230b57cec5SDimitry Andricbool operator>=(const time_zone& x, const time_zone& y) noexcept; 724bdd1243dSDimitry Andric} // chrono 7250b57cec5SDimitry Andric 726bdd1243dSDimitry Andricnamespace std { 72706c3fb27SDimitry Andric template<class Duration, class charT> 72806c3fb27SDimitry Andric struct formatter<chrono::sys_time<Duration>, charT>; // C++20 72906c3fb27SDimitry Andric template<class Duration, class charT> 73006c3fb27SDimitry Andric struct formatter<chrono::filetime<Duration>, charT>; // C++20 73106c3fb27SDimitry Andric template<class Duration, class charT> 73206c3fb27SDimitry Andric struct formatter<chrono::local_time<Duration>, charT>; // C++20 733bdd1243dSDimitry Andric template<class Rep, class Period, class charT> 734bdd1243dSDimitry Andric struct formatter<chrono::duration<Rep, Period>, charT>; // C++20 735bdd1243dSDimitry Andric template<class charT> struct formatter<chrono::day, charT>; // C++20 736bdd1243dSDimitry Andric template<class charT> struct formatter<chrono::month, charT>; // C++20 737bdd1243dSDimitry Andric template<class charT> struct formatter<chrono::year, charT>; // C++20 738bdd1243dSDimitry Andric template<class charT> struct formatter<chrono::weekday, charT>; // C++20 739bdd1243dSDimitry Andric template<class charT> struct formatter<chrono::weekday_indexed, charT>; // C++20 740bdd1243dSDimitry Andric template<class charT> struct formatter<chrono::weekday_last, charT>; // C++20 741bdd1243dSDimitry Andric template<class charT> struct formatter<chrono::month_day, charT>; // C++20 742bdd1243dSDimitry Andric template<class charT> struct formatter<chrono::month_day_last, charT>; // C++20 743bdd1243dSDimitry Andric template<class charT> struct formatter<chrono::month_weekday, charT>; // C++20 744bdd1243dSDimitry Andric template<class charT> struct formatter<chrono::month_weekday_last, charT>; // C++20 745bdd1243dSDimitry Andric template<class charT> struct formatter<chrono::year_month, charT>; // C++20 746bdd1243dSDimitry Andric template<class charT> struct formatter<chrono::year_month_day, charT>; // C++20 747bdd1243dSDimitry Andric template<class charT> struct formatter<chrono::year_month_day_last, charT>; // C++20 748bdd1243dSDimitry Andric template<class charT> struct formatter<chrono::year_month_weekday, charT>; // C++20 749bdd1243dSDimitry Andric template<class charT> struct formatter<chrono::year_month_weekday_last, charT>; // C++20 75006c3fb27SDimitry Andric template<class Rep, class Period, class charT> 75106c3fb27SDimitry Andric struct formatter<chrono::hh_mm_ss<duration<Rep, Period>>, charT>; // C++20 752bdd1243dSDimitry Andric} // namespace std 753bdd1243dSDimitry Andric 754bdd1243dSDimitry Andricnamespace chrono { 7550b57cec5SDimitry Andric// calendrical constants 7560b57cec5SDimitry Andricinline constexpr last_spec last{}; // C++20 7570b57cec5SDimitry Andricinline constexpr chrono::weekday Sunday{0}; // C++20 7580b57cec5SDimitry Andricinline constexpr chrono::weekday Monday{1}; // C++20 7590b57cec5SDimitry Andricinline constexpr chrono::weekday Tuesday{2}; // C++20 7600b57cec5SDimitry Andricinline constexpr chrono::weekday Wednesday{3}; // C++20 7610b57cec5SDimitry Andricinline constexpr chrono::weekday Thursday{4}; // C++20 7620b57cec5SDimitry Andricinline constexpr chrono::weekday Friday{5}; // C++20 7630b57cec5SDimitry Andricinline constexpr chrono::weekday Saturday{6}; // C++20 7640b57cec5SDimitry Andric 7650b57cec5SDimitry Andricinline constexpr chrono::month January{1}; // C++20 7660b57cec5SDimitry Andricinline constexpr chrono::month February{2}; // C++20 7670b57cec5SDimitry Andricinline constexpr chrono::month March{3}; // C++20 7680b57cec5SDimitry Andricinline constexpr chrono::month April{4}; // C++20 7690b57cec5SDimitry Andricinline constexpr chrono::month May{5}; // C++20 7700b57cec5SDimitry Andricinline constexpr chrono::month June{6}; // C++20 7710b57cec5SDimitry Andricinline constexpr chrono::month July{7}; // C++20 7720b57cec5SDimitry Andricinline constexpr chrono::month August{8}; // C++20 7730b57cec5SDimitry Andricinline constexpr chrono::month September{9}; // C++20 7740b57cec5SDimitry Andricinline constexpr chrono::month October{10}; // C++20 7750b57cec5SDimitry Andricinline constexpr chrono::month November{11}; // C++20 7760b57cec5SDimitry Andricinline constexpr chrono::month December{12}; // C++20 7770b57cec5SDimitry Andric} // chrono 7780b57cec5SDimitry Andric 7790b57cec5SDimitry Andricinline namespace literals { 7800b57cec5SDimitry Andric inline namespace chrono_literals { 7810b57cec5SDimitry Andricconstexpr chrono::hours operator ""h(unsigned long long); // C++14 7820b57cec5SDimitry Andricconstexpr chrono::duration<unspecified , ratio<3600,1>> operator ""h(long double); // C++14 7830b57cec5SDimitry Andricconstexpr chrono::minutes operator ""min(unsigned long long); // C++14 7840b57cec5SDimitry Andricconstexpr chrono::duration<unspecified , ratio<60,1>> operator ""min(long double); // C++14 7850b57cec5SDimitry Andricconstexpr chrono::seconds operator ""s(unsigned long long); // C++14 7860b57cec5SDimitry Andricconstexpr chrono::duration<unspecified > operator ""s(long double); // C++14 7870b57cec5SDimitry Andricconstexpr chrono::milliseconds operator ""ms(unsigned long long); // C++14 7880b57cec5SDimitry Andricconstexpr chrono::duration<unspecified , milli> operator ""ms(long double); // C++14 7890b57cec5SDimitry Andricconstexpr chrono::microseconds operator ""us(unsigned long long); // C++14 7900b57cec5SDimitry Andricconstexpr chrono::duration<unspecified , micro> operator ""us(long double); // C++14 7910b57cec5SDimitry Andricconstexpr chrono::nanoseconds operator ""ns(unsigned long long); // C++14 7920b57cec5SDimitry Andricconstexpr chrono::duration<unspecified , nano> operator ""ns(long double); // C++14 7930b57cec5SDimitry Andricconstexpr chrono::day operator ""d(unsigned long long d) noexcept; // C++20 7940b57cec5SDimitry Andricconstexpr chrono::year operator ""y(unsigned long long y) noexcept; // C++20 7950b57cec5SDimitry Andric} // chrono_literals 7960b57cec5SDimitry Andric} // literals 7970b57cec5SDimitry Andric 7980b57cec5SDimitry Andric} // std 7990b57cec5SDimitry Andric*/ 8000b57cec5SDimitry Andric 801*5f757f3fSDimitry Andric// clang-format on 802*5f757f3fSDimitry Andric 80381ad6265SDimitry Andric#include <__assert> // all public C++ headers provide the assertion handler 80404eeddc0SDimitry Andric#include <__chrono/calendar.h> 80504eeddc0SDimitry Andric#include <__chrono/convert_to_timespec.h> 806bdd1243dSDimitry Andric#include <__chrono/convert_to_tm.h> 80781ad6265SDimitry Andric#include <__chrono/day.h> 80804eeddc0SDimitry Andric#include <__chrono/duration.h> 80904eeddc0SDimitry Andric#include <__chrono/file_clock.h> 81081ad6265SDimitry Andric#include <__chrono/hh_mm_ss.h> 81104eeddc0SDimitry Andric#include <__chrono/high_resolution_clock.h> 81281ad6265SDimitry Andric#include <__chrono/literals.h> 81381ad6265SDimitry Andric#include <__chrono/month.h> 81481ad6265SDimitry Andric#include <__chrono/month_weekday.h> 81581ad6265SDimitry Andric#include <__chrono/monthday.h> 81604eeddc0SDimitry Andric#include <__chrono/steady_clock.h> 81704eeddc0SDimitry Andric#include <__chrono/system_clock.h> 81804eeddc0SDimitry Andric#include <__chrono/time_point.h> 81981ad6265SDimitry Andric#include <__chrono/weekday.h> 82081ad6265SDimitry Andric#include <__chrono/year.h> 82181ad6265SDimitry Andric#include <__chrono/year_month.h> 82281ad6265SDimitry Andric#include <__chrono/year_month_day.h> 82381ad6265SDimitry Andric#include <__chrono/year_month_weekday.h> 824fe6060f1SDimitry Andric#include <__config> 8250b57cec5SDimitry Andric#include <version> 8260b57cec5SDimitry Andric 827753f127fSDimitry Andric// standard-mandated includes 828bdd1243dSDimitry Andric 829bdd1243dSDimitry Andric// [time.syn] 830753f127fSDimitry Andric#include <compare> 831753f127fSDimitry Andric 83206c3fb27SDimitry Andric#if !defined(_LIBCPP_HAS_NO_LOCALIZATION) && _LIBCPP_STD_VER >= 20 833bdd1243dSDimitry Andric# include <__chrono/formatter.h> 834bdd1243dSDimitry Andric# include <__chrono/ostream.h> 835bdd1243dSDimitry Andric# include <__chrono/parser_std_format_spec.h> 836bdd1243dSDimitry Andric# include <__chrono/statically_widen.h> 837bdd1243dSDimitry Andric#endif 838bdd1243dSDimitry Andric 839*5f757f3fSDimitry Andric#if !defined(_LIBCPP_HAS_NO_TIME_ZONE_DATABASE) && !defined(_LIBCPP_HAS_NO_FILESYSTEM) && \ 840*5f757f3fSDimitry Andric !defined(_LIBCPP_HAS_NO_LOCALIZATION) 841*5f757f3fSDimitry Andric# include <__chrono/tzdb.h> 842*5f757f3fSDimitry Andric# include <__chrono/tzdb_list.h> 843*5f757f3fSDimitry Andric#endif 844bdd1243dSDimitry Andric 8450b57cec5SDimitry Andric#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 8460b57cec5SDimitry Andric# pragma GCC system_header 8470b57cec5SDimitry Andric#endif 8480b57cec5SDimitry Andric 849bdd1243dSDimitry Andric#if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20 85006c3fb27SDimitry Andric# include <bit> 851bdd1243dSDimitry Andric# include <concepts> 85206c3fb27SDimitry Andric# include <cstring> 853*5f757f3fSDimitry Andric# include <forward_list> 854*5f757f3fSDimitry Andric# include <string> 85506c3fb27SDimitry Andric#endif 85606c3fb27SDimitry Andric 85706c3fb27SDimitry Andric#if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER == 20 85806c3fb27SDimitry Andric# include <charconv> 859bdd1243dSDimitry Andric#endif 860bdd1243dSDimitry Andric 8610b57cec5SDimitry Andric#endif // _LIBCPP_CHRONO 862