| // -*- C++ -*- |
| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef _LIBCPP_CHRONO |
| #define _LIBCPP_CHRONO |
| |
| // clang-format off |
| |
| /* |
| chrono synopsis |
| |
| #include <compare> // C++20 |
| |
| namespace std |
| { |
| namespace chrono |
| { |
| |
| template <class ToDuration, class Rep, class Period> |
| constexpr |
| ToDuration |
| duration_cast(const duration<Rep, Period>& fd); |
| |
| template <class Rep> struct treat_as_floating_point : is_floating_point<Rep> {}; |
| |
| template <class Rep> inline constexpr bool treat_as_floating_point_v |
| = treat_as_floating_point<Rep>::value; // C++17 |
| |
| template <class Rep> |
| struct duration_values |
| { |
| public: |
| static constexpr Rep zero(); // noexcept in C++20 |
| static constexpr Rep max(); // noexcept in C++20 |
| static constexpr Rep min(); // noexcept in C++20 |
| }; |
| |
| // duration |
| |
| template <class Rep, class Period = ratio<1>> |
| class duration |
| { |
| static_assert(!__is_duration<Rep>::value, "A duration representation can not be a duration"); |
| static_assert(__is_ratio<Period>::value, "Second template parameter of duration must be a std::ratio"); |
| static_assert(Period::num > 0, "duration period must be positive"); |
| public: |
| typedef Rep rep; |
| typedef typename _Period::type period; |
| |
| constexpr duration() = default; |
| template <class Rep2> |
| constexpr explicit duration(const Rep2& r, |
| typename enable_if |
| < |
| is_convertible<const Rep2&, rep>::value && |
| (treat_as_floating_point<rep>::value || |
| !treat_as_floating_point<rep>::value && !treat_as_floating_point<Rep2>::value) |
| >::type* = 0); |
| |
| // conversions |
| template <class Rep2, class Period2> |
| constexpr duration(const duration<Rep2, Period2>& d, |
| typename enable_if |
| < |
| treat_as_floating_point<rep>::value || |
| ratio_divide<Period2, period>::type::den == 1 |
| >::type* = 0); |
| |
| // observer |
| |
| constexpr rep count() const; |
| |
| // arithmetic |
| |
| constexpr common_type<duration>::type operator+() const; |
| constexpr common_type<duration>::type operator-() const; |
| constexpr duration& operator++(); // constexpr in C++17 |
| constexpr duration operator++(int); // constexpr in C++17 |
| constexpr duration& operator--(); // constexpr in C++17 |
| constexpr duration operator--(int); // constexpr in C++17 |
| |
| constexpr duration& operator+=(const duration& d); // constexpr in C++17 |
| constexpr duration& operator-=(const duration& d); // constexpr in C++17 |
| |
| duration& operator*=(const rep& rhs); // constexpr in C++17 |
| duration& operator/=(const rep& rhs); // constexpr in C++17 |
| duration& operator%=(const rep& rhs); // constexpr in C++17 |
| duration& operator%=(const duration& rhs); // constexpr in C++17 |
| |
| // special values |
| |
| static constexpr duration zero(); // noexcept in C++20 |
| static constexpr duration min(); // noexcept in C++20 |
| static constexpr duration max(); // noexcept in C++20 |
| }; |
| |
| typedef duration<long long, nano> nanoseconds; |
| typedef duration<long long, micro> microseconds; |
| typedef duration<long long, milli> milliseconds; |
| typedef duration<long long > seconds; |
| typedef duration< long, ratio< 60> > minutes; |
| typedef duration< long, ratio<3600> > hours; |
| |
| template <class Clock, class Duration = typename Clock::duration> |
| class time_point |
| { |
| public: |
| typedef Clock clock; |
| typedef Duration duration; |
| typedef typename duration::rep rep; |
| typedef typename duration::period period; |
| private: |
| duration d_; // exposition only |
| |
| public: |
| time_point(); // has value "epoch" // constexpr in C++14 |
| explicit time_point(const duration& d); // same as time_point() + d // constexpr in C++14 |
| |
| // conversions |
| template <class Duration2> |
| time_point(const time_point<clock, Duration2>& t); // constexpr in C++14 |
| |
| // observer |
| |
| duration time_since_epoch() const; // constexpr in C++14 |
| |
| // arithmetic |
| |
| time_point& operator+=(const duration& d); // constexpr in C++17 |
| time_point& operator-=(const duration& d); // constexpr in C++17 |
| |
| // special values |
| |
| static constexpr time_point min(); // noexcept in C++20 |
| static constexpr time_point max(); // noexcept in C++20 |
| }; |
| |
| } // chrono |
| |
| // common_type traits |
| template <class Rep1, class Period1, class Rep2, class Period2> |
| struct common_type<chrono::duration<Rep1, Period1>, chrono::duration<Rep2, Period2>>; |
| |
| template <class Clock, class Duration1, class Duration2> |
| struct common_type<chrono::time_point<Clock, Duration1>, chrono::time_point<Clock, Duration2>>; |
| |
| namespace chrono { |
| |
| // duration arithmetic |
| template <class Rep1, class Period1, class Rep2, class Period2> |
| constexpr |
| typename common_type<duration<Rep1, Period1>, duration<Rep2, Period2>>::type |
| operator+(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); |
| template <class Rep1, class Period1, class Rep2, class Period2> |
| constexpr |
| typename common_type<duration<Rep1, Period1>, duration<Rep2, Period2>>::type |
| operator-(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); |
| template <class Rep1, class Period, class Rep2> |
| constexpr |
| duration<typename common_type<Rep1, Rep2>::type, Period> |
| operator*(const duration<Rep1, Period>& d, const Rep2& s); |
| template <class Rep1, class Period, class Rep2> |
| constexpr |
| duration<typename common_type<Rep1, Rep2>::type, Period> |
| operator*(const Rep1& s, const duration<Rep2, Period>& d); |
| template <class Rep1, class Period, class Rep2> |
| constexpr |
| duration<typename common_type<Rep1, Rep2>::type, Period> |
| operator/(const duration<Rep1, Period>& d, const Rep2& s); |
| template <class Rep1, class Period1, class Rep2, class Period2> |
| constexpr |
| typename common_type<Rep1, Rep2>::type |
| operator/(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); |
| |
| // duration comparisons |
| template <class Rep1, class Period1, class Rep2, class Period2> |
| constexpr |
| bool operator==(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); |
| template <class Rep1, class Period1, class Rep2, class Period2> |
| constexpr |
| bool operator!=(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); // removed in C++20 |
| template <class Rep1, class Period1, class Rep2, class Period2> |
| constexpr |
| bool operator< (const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); |
| template <class Rep1, class Period1, class Rep2, class Period2> |
| constexpr |
| bool operator<=(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); |
| template <class Rep1, class Period1, class Rep2, class Period2> |
| constexpr |
| bool operator> (const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); |
| template <class Rep1, class Period1, class Rep2, class Period2> |
| constexpr |
| bool operator>=(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); |
| template<class Rep1, class Period1, class Rep2, class Period2> |
| requires three_way_comparable<typename CT::rep> |
| constexpr auto operator<=>(const duration<Rep1, Period1>& lhs, |
| const duration<Rep2, Period2>& rhs); // since C++20 |
| |
| // duration_cast |
| template <class ToDuration, class Rep, class Period> |
| ToDuration duration_cast(const duration<Rep, Period>& d); |
| |
| template <class ToDuration, class Rep, class Period> |
| constexpr ToDuration floor(const duration<Rep, Period>& d); // C++17 |
| template <class ToDuration, class Rep, class Period> |
| constexpr ToDuration ceil(const duration<Rep, Period>& d); // C++17 |
| template <class ToDuration, class Rep, class Period> |
| constexpr ToDuration round(const duration<Rep, Period>& d); // C++17 |
| |
| // duration I/O |
| template<class charT, class traits, class Rep, class Period> // C++20 |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, |
| const duration<Rep, Period>& d); |
| |
| // time_point arithmetic (all constexpr in C++14) |
| template <class Clock, class Duration1, class Rep2, class Period2> |
| time_point<Clock, typename common_type<Duration1, duration<Rep2, Period2>>::type> |
| operator+(const time_point<Clock, Duration1>& lhs, const duration<Rep2, Period2>& rhs); |
| template <class Rep1, class Period1, class Clock, class Duration2> |
| time_point<Clock, typename common_type<duration<Rep1, Period1>, Duration2>::type> |
| operator+(const duration<Rep1, Period1>& lhs, const time_point<Clock, Duration2>& rhs); |
| template <class Clock, class Duration1, class Rep2, class Period2> |
| time_point<Clock, typename common_type<Duration1, duration<Rep2, Period2>>::type> |
| operator-(const time_point<Clock, Duration1>& lhs, const duration<Rep2, Period2>& rhs); |
| template <class Clock, class Duration1, class Duration2> |
| typename common_type<Duration1, Duration2>::type |
| operator-(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs); |
| |
| // time_point comparisons (all constexpr in C++14) |
| template <class Clock, class Duration1, class Duration2> |
| bool operator==(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs); |
| template <class Clock, class Duration1, class Duration2> |
| bool operator!=(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs); // removed in C++20 |
| template <class Clock, class Duration1, class Duration2> |
| bool operator< (const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs); |
| template <class Clock, class Duration1, class Duration2> |
| bool operator<=(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs); |
| template <class Clock, class Duration1, class Duration2> |
| bool operator> (const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs); |
| template <class Clock, class Duration1, class Duration2> |
| bool operator>=(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs); |
| template<class Clock, class Duration1, |
| three_way_comparable_with<Duration1> Duration2> |
| constexpr auto operator<=>(const time_point<Clock, Duration1>& lhs, |
| const time_point<Clock, Duration2>& rhs); // since C++20 |
| |
| // time_point_cast (constexpr in C++14) |
| |
| template <class ToDuration, class Clock, class Duration> |
| time_point<Clock, ToDuration> time_point_cast(const time_point<Clock, Duration>& t); |
| |
| template <class ToDuration, class Clock, class Duration> |
| constexpr time_point<Clock, ToDuration> |
| floor(const time_point<Clock, Duration>& tp); // C++17 |
| |
| template <class ToDuration, class Clock, class Duration> |
| constexpr time_point<Clock, ToDuration> |
| ceil(const time_point<Clock, Duration>& tp); // C++17 |
| |
| template <class ToDuration, class Clock, class Duration> |
| constexpr time_point<Clock, ToDuration> |
| round(const time_point<Clock, Duration>& tp); // C++17 |
| |
| template <class Rep, class Period> |
| constexpr duration<Rep, Period> abs(duration<Rep, Period> d); // C++17 |
| |
| // Clocks |
| |
| class system_clock |
| { |
| public: |
| typedef microseconds duration; |
| typedef duration::rep rep; |
| typedef duration::period period; |
| typedef chrono::time_point<system_clock> time_point; |
| static const bool is_steady = false; // constexpr in C++14 |
| |
| static time_point now() noexcept; |
| static time_t to_time_t (const time_point& __t) noexcept; |
| static time_point from_time_t(time_t __t) noexcept; |
| }; |
| |
| template <class Duration> |
| using sys_time = time_point<system_clock, Duration>; // C++20 |
| using sys_seconds = sys_time<seconds>; // C++20 |
| using sys_days = sys_time<days>; // C++20 |
| |
| template<class charT, class traits, class Duration> // C++20 |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, const sys_time<Duration>& tp); |
| |
| template<class charT, class traits> // C++20 |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, const sys_days& dp); |
| |
| class file_clock // C++20 |
| { |
| public: |
| typedef see-below rep; |
| typedef nano period; |
| typedef chrono::duration<rep, period> duration; |
| typedef chrono::time_point<file_clock> time_point; |
| static constexpr bool is_steady = false; |
| |
| static time_point now() noexcept; |
| |
| template<class Duration> |
| static sys_time<see-below> to_sys(const file_time<Duration>&); |
| |
| template<class Duration> |
| static file_time<see-below> from_sys(const sys_time<Duration>&); |
| }; |
| |
| template<class Duration> |
| using file_time = time_point<file_clock, Duration>; // C++20 |
| |
| template<class charT, class traits, class Duration> // C++20 |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, const file_time<Duration>& tp); |
| |
| class steady_clock |
| { |
| public: |
| typedef nanoseconds duration; |
| typedef duration::rep rep; |
| typedef duration::period period; |
| typedef chrono::time_point<steady_clock, duration> time_point; |
| static const bool is_steady = true; // constexpr in C++14 |
| |
| static time_point now() noexcept; |
| }; |
| |
| typedef steady_clock high_resolution_clock; |
| |
| // 25.7.8, local time // C++20 |
| struct local_t {}; |
| template<class Duration> |
| using local_time = time_point<local_t, Duration>; |
| using local_seconds = local_time<seconds>; |
| using local_days = local_time<days>; |
| |
| template<class charT, class traits, class Duration> // C++20 |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, const local_time<Duration>& tp); |
| |
| // 25.8.2, class last_spec // C++20 |
| struct last_spec; |
| |
| // 25.8.3, class day // C++20 |
| |
| class day; |
| constexpr bool operator==(const day& x, const day& y) noexcept; |
| constexpr strong_ordering operator<=>(const day& x, const day& y) noexcept; |
| constexpr day operator+(const day& x, const days& y) noexcept; |
| constexpr day operator+(const days& x, const day& y) noexcept; |
| constexpr day operator-(const day& x, const days& y) noexcept; |
| constexpr days operator-(const day& x, const day& y) noexcept; |
| template<class charT, class traits> |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, const day& d); |
| |
| // 25.8.4, class month // C++20 |
| class month; |
| constexpr bool operator==(const month& x, const month& y) noexcept; |
| constexpr strong_ordering operator<=>(const month& x, const month& y) noexcept; |
| |
| constexpr month operator+(const month& x, const months& y) noexcept; |
| constexpr month operator+(const months& x, const month& y) noexcept; |
| constexpr month operator-(const month& x, const months& y) noexcept; |
| constexpr months operator-(const month& x, const month& y) noexcept; |
| template<class charT, class traits> |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, const month& m); |
| |
| // 25.8.5, class year // C++20 |
| class year; |
| constexpr bool operator==(const year& x, const year& y) noexcept; |
| constexpr strong_ordering operator<=>(const year& x, const year& y) noexcept; |
| |
| constexpr year operator+(const year& x, const years& y) noexcept; |
| constexpr year operator+(const years& x, const year& y) noexcept; |
| constexpr year operator-(const year& x, const years& y) noexcept; |
| constexpr years operator-(const year& x, const year& y) noexcept; |
| template<class charT, class traits> |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, const year& y); |
| |
| // 25.8.6, class weekday // C++20 |
| class weekday; |
| |
| constexpr bool operator==(const weekday& x, const weekday& y) noexcept; |
| constexpr weekday operator+(const weekday& x, const days& y) noexcept; |
| constexpr weekday operator+(const days& x, const weekday& y) noexcept; |
| constexpr weekday operator-(const weekday& x, const days& y) noexcept; |
| constexpr days operator-(const weekday& x, const weekday& y) noexcept; |
| template<class charT, class traits> |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, const weekday& wd); |
| |
| // 25.8.7, class weekday_indexed // C++20 |
| |
| class weekday_indexed; |
| constexpr bool operator==(const weekday_indexed& x, const weekday_indexed& y) noexcept; |
| |
| template<class charT, class traits> |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, const weekday_indexed& wdi); |
| |
| // 25.8.8, class weekday_last // C++20 |
| class weekday_last; |
| |
| constexpr bool operator==(const weekday_last& x, const weekday_last& y) noexcept; |
| |
| template<class charT, class traits> |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, const weekday_last& wdl); |
| |
| // 25.8.9, class month_day // C++20 |
| class month_day; |
| |
| constexpr bool operator==(const month_day& x, const month_day& y) noexcept; |
| constexpr strong_ordering operator<=>(const month_day& x, const month_day& y) noexcept; |
| |
| template<class charT, class traits> |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, const month_day& md); |
| |
| // 25.8.10, class month_day_last // C++20 |
| class month_day_last; |
| |
| constexpr bool operator==(const month_day_last& x, const month_day_last& y) noexcept; |
| constexpr strong_ordering operator<=>(const month_day_last& x, const month_day_last& y) noexcept; |
| |
| template<class charT, class traits> |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, const month_day_last& mdl); |
| |
| // 25.8.11, class month_weekday // C++20 |
| class month_weekday; |
| |
| constexpr bool operator==(const month_weekday& x, const month_weekday& y) noexcept; |
| |
| template<class charT, class traits> |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, const month_weekday& mwd); |
| |
| // 25.8.12, class month_weekday_last // C++20 |
| class month_weekday_last; |
| |
| constexpr bool operator==(const month_weekday_last& x, const month_weekday_last& y) noexcept; |
| |
| template<class charT, class traits> |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, const month_weekday_last& mwdl); |
| |
| |
| // 25.8.13, class year_month // C++20 |
| class year_month; |
| |
| constexpr bool operator==(const year_month& x, const year_month& y) noexcept; |
| constexpr strong_ordering operator<=>(const year_month& x, const year_month& y) noexcept; |
| |
| constexpr year_month operator+(const year_month& ym, const months& dm) noexcept; |
| constexpr year_month operator+(const months& dm, const year_month& ym) noexcept; |
| constexpr year_month operator-(const year_month& ym, const months& dm) noexcept; |
| constexpr months operator-(const year_month& x, const year_month& y) noexcept; |
| constexpr year_month operator+(const year_month& ym, const years& dy) noexcept; |
| constexpr year_month operator+(const years& dy, const year_month& ym) noexcept; |
| constexpr year_month operator-(const year_month& ym, const years& dy) noexcept; |
| |
| template<class charT, class traits> |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, const year_month& ym); |
| |
| // 25.8.14, class year_month_day class // C++20 |
| year_month_day; |
| |
| constexpr bool operator==(const year_month_day& x, const year_month_day& y) noexcept; |
| constexpr strong_ordering operator<=>(const year_month_day& x, const year_month_day& y) noexcept; |
| |
| constexpr year_month_day operator+(const year_month_day& ymd, const months& dm) noexcept; |
| constexpr year_month_day operator+(const months& dm, const year_month_day& ymd) noexcept; |
| constexpr year_month_day operator+(const year_month_day& ymd, const years& dy) noexcept; |
| constexpr year_month_day operator+(const years& dy, const year_month_day& ymd) noexcept; |
| constexpr year_month_day operator-(const year_month_day& ymd, const months& dm) noexcept; |
| constexpr year_month_day operator-(const year_month_day& ymd, const years& dy) noexcept; |
| |
| template<class charT, class traits> |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, const year_month_day& ymd); |
| |
| // 25.8.15, class year_month_day_last // C++20 |
| class year_month_day_last; |
| |
| constexpr bool operator==(const year_month_day_last& x, const year_month_day_last& y) noexcept; |
| constexpr strong_ordering operator<=>(const year_month_day_last_day& x, const year_month_day_last_day& y) noexcept; |
| |
| constexpr year_month_day_last |
| operator+(const year_month_day_last& ymdl, const months& dm) noexcept; |
| constexpr year_month_day_last |
| operator+(const months& dm, const year_month_day_last& ymdl) noexcept; |
| constexpr year_month_day_last |
| operator+(const year_month_day_last& ymdl, const years& dy) noexcept; |
| constexpr year_month_day_last |
| operator+(const years& dy, const year_month_day_last& ymdl) noexcept; |
| constexpr year_month_day_last |
| operator-(const year_month_day_last& ymdl, const months& dm) noexcept; |
| constexpr year_month_day_last |
| operator-(const year_month_day_last& ymdl, const years& dy) noexcept; |
| |
| template<class charT, class traits> |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, const year_month_day_last& ymdl); |
| |
| // 25.8.16, class year_month_weekday // C++20 |
| class year_month_weekday; |
| |
| constexpr bool operator==(const year_month_weekday& x, |
| const year_month_weekday& y) noexcept; |
| |
| constexpr year_month_weekday |
| operator+(const year_month_weekday& ymwd, const months& dm) noexcept; |
| constexpr year_month_weekday |
| operator+(const months& dm, const year_month_weekday& ymwd) noexcept; |
| constexpr year_month_weekday |
| operator+(const year_month_weekday& ymwd, const years& dy) noexcept; |
| constexpr year_month_weekday |
| operator+(const years& dy, const year_month_weekday& ymwd) noexcept; |
| constexpr year_month_weekday |
| operator-(const year_month_weekday& ymwd, const months& dm) noexcept; |
| constexpr year_month_weekday |
| operator-(const year_month_weekday& ymwd, const years& dy) noexcept; |
| |
| template<class charT, class traits> |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, const year_month_weekday& ymwd); |
| |
| // 25.8.17, class year_month_weekday_last // C++20 |
| class year_month_weekday_last; |
| |
| constexpr bool operator==(const year_month_weekday_last& x, |
| const year_month_weekday_last& y) noexcept; |
| constexpr year_month_weekday_last |
| operator+(const year_month_weekday_last& ymwdl, const months& dm) noexcept; |
| constexpr year_month_weekday_last |
| operator+(const months& dm, const year_month_weekday_last& ymwdl) noexcept; |
| constexpr year_month_weekday_last |
| operator+(const year_month_weekday_last& ymwdl, const years& dy) noexcept; |
| constexpr year_month_weekday_last |
| operator+(const years& dy, const year_month_weekday_last& ymwdl) noexcept; |
| constexpr year_month_weekday_last |
| operator-(const year_month_weekday_last& ymwdl, const months& dm) noexcept; |
| constexpr year_month_weekday_last |
| operator-(const year_month_weekday_last& ymwdl, const years& dy) noexcept; |
| |
| template<class charT, class traits> |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, const year_month_weekday_last& ymwdl); |
| |
| // 25.8.18, civil calendar conventional syntax operators // C++20 |
| constexpr year_month |
| operator/(const year& y, const month& m) noexcept; |
| constexpr year_month |
| operator/(const year& y, int m) noexcept; |
| constexpr month_day |
| operator/(const month& m, const day& d) noexcept; |
| constexpr month_day |
| operator/(const month& m, int d) noexcept; |
| constexpr month_day |
| operator/(int m, const day& d) noexcept; |
| constexpr month_day |
| operator/(const day& d, const month& m) noexcept; |
| constexpr month_day |
| operator/(const day& d, int m) noexcept; |
| constexpr month_day_last |
| operator/(const month& m, last_spec) noexcept; |
| constexpr month_day_last |
| operator/(int m, last_spec) noexcept; |
| constexpr month_day_last |
| operator/(last_spec, const month& m) noexcept; |
| constexpr month_day_last |
| operator/(last_spec, int m) noexcept; |
| constexpr month_weekday |
| operator/(const month& m, const weekday_indexed& wdi) noexcept; |
| constexpr month_weekday |
| operator/(int m, const weekday_indexed& wdi) noexcept; |
| constexpr month_weekday |
| operator/(const weekday_indexed& wdi, const month& m) noexcept; |
| constexpr month_weekday |
| operator/(const weekday_indexed& wdi, int m) noexcept; |
| constexpr month_weekday_last |
| operator/(const month& m, const weekday_last& wdl) noexcept; |
| constexpr month_weekday_last |
| operator/(int m, const weekday_last& wdl) noexcept; |
| constexpr month_weekday_last |
| operator/(const weekday_last& wdl, const month& m) noexcept; |
| constexpr month_weekday_last |
| operator/(const weekday_last& wdl, int m) noexcept; |
| constexpr year_month_day |
| operator/(const year_month& ym, const day& d) noexcept; |
| constexpr year_month_day |
| operator/(const year_month& ym, int d) noexcept; |
| constexpr year_month_day |
| operator/(const year& y, const month_day& md) noexcept; |
| constexpr year_month_day |
| operator/(int y, const month_day& md) noexcept; |
| constexpr year_month_day |
| operator/(const month_day& md, const year& y) noexcept; |
| constexpr year_month_day |
| operator/(const month_day& md, int y) noexcept; |
| constexpr year_month_day_last |
| operator/(const year_month& ym, last_spec) noexcept; |
| constexpr year_month_day_last |
| operator/(const year& y, const month_day_last& mdl) noexcept; |
| constexpr year_month_day_last |
| operator/(int y, const month_day_last& mdl) noexcept; |
| constexpr year_month_day_last |
| operator/(const month_day_last& mdl, const year& y) noexcept; |
| constexpr year_month_day_last |
| operator/(const month_day_last& mdl, int y) noexcept; |
| constexpr year_month_weekday |
| operator/(const year_month& ym, const weekday_indexed& wdi) noexcept; |
| constexpr year_month_weekday |
| operator/(const year& y, const month_weekday& mwd) noexcept; |
| constexpr year_month_weekday |
| operator/(int y, const month_weekday& mwd) noexcept; |
| constexpr year_month_weekday |
| operator/(const month_weekday& mwd, const year& y) noexcept; |
| constexpr year_month_weekday |
| operator/(const month_weekday& mwd, int y) noexcept; |
| constexpr year_month_weekday_last |
| operator/(const year_month& ym, const weekday_last& wdl) noexcept; |
| constexpr year_month_weekday_last |
| operator/(const year& y, const month_weekday_last& mwdl) noexcept; |
| constexpr year_month_weekday_last |
| operator/(int y, const month_weekday_last& mwdl) noexcept; |
| constexpr year_month_weekday_last |
| operator/(const month_weekday_last& mwdl, const year& y) noexcept; |
| constexpr year_month_weekday_last |
| operator/(const month_weekday_last& mwdl, int y) noexcept; |
| |
| // 26.9, class template hh_mm_ss |
| template <class Duration> |
| class hh_mm_ss |
| { |
| bool is_neg; // exposition only |
| chrono::hours h; // exposition only |
| chrono::minutes m; // exposition only |
| chrono::seconds s; // exposition only |
| precision ss; // exposition only |
| |
| public: |
| static unsigned constexpr fractional_width = see below; |
| using precision = see below; |
| |
| constexpr hh_mm_ss() noexcept : hh_mm_ss{Duration::zero()} {} |
| constexpr explicit hh_mm_ss(Duration d) noexcept; |
| |
| constexpr bool is_negative() const noexcept; |
| constexpr chrono::hours hours() const noexcept; |
| constexpr chrono::minutes minutes() const noexcept; |
| constexpr chrono::seconds seconds() const noexcept; |
| constexpr precision subseconds() const noexcept; |
| |
| constexpr explicit operator precision() const noexcept; |
| constexpr precision to_duration() const noexcept; |
| }; |
| |
| template<class charT, class traits, class Duration> |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, const hh_mm_ss<Duration>& hms); // C++20 |
| |
| // 26.10, 12/24 hour functions |
| constexpr bool is_am(hours const& h) noexcept; |
| constexpr bool is_pm(hours const& h) noexcept; |
| constexpr hours make12(const hours& h) noexcept; |
| constexpr hours make24(const hours& h, bool is_pm) noexcept; |
| |
| // [time.zone.db], time zone database |
| struct tzdb { // C++20 |
| string version; |
| vector<time_zone> zones; |
| vector<time_zone_link> links; |
| vector<leap_second> leap_seconds; |
| |
| const time_zone* locate_zone(string_view tz_name) const; |
| const time_zone* current_zone() const; |
| }; |
| |
| class tzdb_list { // C++20 |
| public: |
| tzdb_list(const tzdb_list&) = delete; |
| tzdb_list& operator=(const tzdb_list&) = delete; |
| |
| // unspecified additional constructors |
| |
| class const_iterator; |
| |
| const tzdb& front() const noexcept; |
| |
| const_iterator erase_after(const_iterator p); |
| |
| const_iterator begin() const noexcept; |
| const_iterator end() const noexcept; |
| |
| const_iterator cbegin() const noexcept; |
| const_iterator cend() const noexcept; |
| }; |
| |
| // [time.zone.db.access], time zone database access |
| const tzdb& get_tzdb(); // C++20 |
| tzdb_list& get_tzdb_list(); // C++20 |
| const time_zone* locate_zone(string_view tz_name); // C++20 |
| const time_zone* current_zone() // C++20 |
| |
| // [time.zone.db.remote], remote time zone database support |
| const tzdb& reload_tzdb(); // C++20 |
| string remote_version(); // C++20 |
| |
| // [time.zone.info], information classes |
| struct sys_info { // C++20 |
| sys_seconds begin; |
| sys_seconds end; |
| seconds offset; |
| minutes save; |
| string abbrev; |
| }; |
| |
| template<class charT, class traits> // C++20 |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, const sys_info& si); |
| |
| struct local_info { // C++20 |
| static constexpr int unique = 0; |
| static constexpr int nonexistent = 1; |
| static constexpr int ambiguous = 2; |
| |
| int result; |
| sys_info first; |
| sys_info second; |
| }; |
| |
| template<class charT, class traits> // C++20 |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, const local_info& li); |
| |
| // 25.10.5, class time_zone // C++20 |
| enum class choose {earliest, latest}; |
| class time_zone { |
| time_zone(time_zone&&) = default; |
| time_zone& operator=(time_zone&&) = default; |
| |
| // unspecified additional constructors |
| |
| string_view name() const noexcept; |
| |
| template<class Duration> |
| sys_info get_info(const sys_time<Duration>& st) const; |
| }; |
| bool operator==(const time_zone& x, const time_zone& y) noexcept; // C++20 |
| strong_ordering operator<=>(const time_zone& x, const time_zone& y) noexcept; // C++20 |
| |
| // [time.zone.leap], leap second support |
| class leap_second { // C++20 |
| public: |
| leap_second(const leap_second&) = default; |
| leap_second& operator=(const leap_second&) = default; |
| |
| // unspecified additional constructors |
| |
| constexpr sys_seconds date() const noexcept; |
| constexpr seconds value() const noexcept; |
| }; |
| |
| constexpr bool operator==(const leap_second& x, const leap_second& y); // C++20 |
| constexpr strong_ordering operator<=>(const leap_second& x, const leap_second& y); |
| |
| template<class Duration> // C++20 |
| constexpr bool operator==(const leap_second& x, const sys_time<Duration>& y); |
| template<class Duration> // C++20 |
| constexpr bool operator< (const leap_second& x, const sys_time<Duration>& y); |
| template<class Duration> // C++20 |
| constexpr bool operator< (const sys_time<Duration>& x, const leap_second& y); |
| template<class Duration> // C++20 |
| constexpr bool operator> (const leap_second& x, const sys_time<Duration>& y); |
| template<class Duration> // C++20 |
| constexpr bool operator> (const sys_time<Duration>& x, const leap_second& y); |
| template<class Duration> // C++20 |
| constexpr bool operator<=(const leap_second& x, const sys_time<Duration>& y); |
| template<class Duration> // C++20 |
| constexpr bool operator<=(const sys_time<Duration>& x, const leap_second& y); |
| template<class Duration> // C++20 |
| constexpr bool operator>=(const leap_second& x, const sys_time<Duration>& y); |
| template<class Duration> // C++20 |
| constexpr bool operator>=(const sys_time<Duration>& x, const leap_second& y); |
| template<class Duration> // C++20 |
| requires three_way_comparable_with<sys_seconds, sys_time<Duration>> |
| constexpr auto operator<=>(const leap_second& x, const sys_time<Duration>& y); |
| |
| // [time.zone.link], class time_zone_link |
| class time_zone_link { // C++20 |
| public: |
| time_zone_link(time_zone_link&&) = default; |
| time_zone_link& operator=(time_zone_link&&) = default; |
| |
| // unspecified additional constructors |
| |
| string_view name() const noexcept; |
| string_view target() const noexcept; |
| }; |
| |
| bool operator==(const time_zone_link& x, const time_zone_link& y); // C++20 |
| strong_ordering operator<=>(const time_zone_link& x, const time_zone_link& y); // C++20 |
| |
| } // chrono |
| |
| namespace std { |
| template<class Duration, class charT> |
| struct formatter<chrono::sys_time<Duration>, charT>; // C++20 |
| template<class Duration, class charT> |
| struct formatter<chrono::filetime<Duration>, charT>; // C++20 |
| template<class Duration, class charT> |
| struct formatter<chrono::local_time<Duration>, charT>; // C++20 |
| template<class Rep, class Period, class charT> |
| struct formatter<chrono::duration<Rep, Period>, charT>; // C++20 |
| template<class charT> struct formatter<chrono::day, charT>; // C++20 |
| template<class charT> struct formatter<chrono::month, charT>; // C++20 |
| template<class charT> struct formatter<chrono::year, charT>; // C++20 |
| template<class charT> struct formatter<chrono::weekday, charT>; // C++20 |
| template<class charT> struct formatter<chrono::weekday_indexed, charT>; // C++20 |
| template<class charT> struct formatter<chrono::weekday_last, charT>; // C++20 |
| template<class charT> struct formatter<chrono::month_day, charT>; // C++20 |
| template<class charT> struct formatter<chrono::month_day_last, charT>; // C++20 |
| template<class charT> struct formatter<chrono::month_weekday, charT>; // C++20 |
| template<class charT> struct formatter<chrono::month_weekday_last, charT>; // C++20 |
| template<class charT> struct formatter<chrono::year_month, charT>; // C++20 |
| template<class charT> struct formatter<chrono::year_month_day, charT>; // C++20 |
| template<class charT> struct formatter<chrono::year_month_day_last, charT>; // C++20 |
| template<class charT> struct formatter<chrono::year_month_weekday, charT>; // C++20 |
| template<class charT> struct formatter<chrono::year_month_weekday_last, charT>; // C++20 |
| template<class Rep, class Period, class charT> |
| struct formatter<chrono::hh_mm_ss<duration<Rep, Period>>, charT>; // C++20 |
| template<class charT> struct formatter<chrono::sys_info, charT>; // C++20 |
| template<class charT> struct formatter<chrono::local_info, charT>; // C++20 |
| } // namespace std |
| |
| namespace chrono { |
| // calendrical constants |
| inline constexpr last_spec last{}; // C++20 |
| inline constexpr chrono::weekday Sunday{0}; // C++20 |
| inline constexpr chrono::weekday Monday{1}; // C++20 |
| inline constexpr chrono::weekday Tuesday{2}; // C++20 |
| inline constexpr chrono::weekday Wednesday{3}; // C++20 |
| inline constexpr chrono::weekday Thursday{4}; // C++20 |
| inline constexpr chrono::weekday Friday{5}; // C++20 |
| inline constexpr chrono::weekday Saturday{6}; // C++20 |
| |
| inline constexpr chrono::month January{1}; // C++20 |
| inline constexpr chrono::month February{2}; // C++20 |
| inline constexpr chrono::month March{3}; // C++20 |
| inline constexpr chrono::month April{4}; // C++20 |
| inline constexpr chrono::month May{5}; // C++20 |
| inline constexpr chrono::month June{6}; // C++20 |
| inline constexpr chrono::month July{7}; // C++20 |
| inline constexpr chrono::month August{8}; // C++20 |
| inline constexpr chrono::month September{9}; // C++20 |
| inline constexpr chrono::month October{10}; // C++20 |
| inline constexpr chrono::month November{11}; // C++20 |
| inline constexpr chrono::month December{12}; // C++20 |
| } // chrono |
| |
| inline namespace literals { |
| inline namespace chrono_literals { |
| constexpr chrono::hours operator ""h(unsigned long long); // C++14 |
| constexpr chrono::duration<unspecified , ratio<3600,1>> operator ""h(long double); // C++14 |
| constexpr chrono::minutes operator ""min(unsigned long long); // C++14 |
| constexpr chrono::duration<unspecified , ratio<60,1>> operator ""min(long double); // C++14 |
| constexpr chrono::seconds operator ""s(unsigned long long); // C++14 |
| constexpr chrono::duration<unspecified > operator ""s(long double); // C++14 |
| constexpr chrono::milliseconds operator ""ms(unsigned long long); // C++14 |
| constexpr chrono::duration<unspecified , milli> operator ""ms(long double); // C++14 |
| constexpr chrono::microseconds operator ""us(unsigned long long); // C++14 |
| constexpr chrono::duration<unspecified , micro> operator ""us(long double); // C++14 |
| constexpr chrono::nanoseconds operator ""ns(unsigned long long); // C++14 |
| constexpr chrono::duration<unspecified , nano> operator ""ns(long double); // C++14 |
| constexpr chrono::day operator ""d(unsigned long long d) noexcept; // C++20 |
| constexpr chrono::year operator ""y(unsigned long long y) noexcept; // C++20 |
| } // chrono_literals |
| } // literals |
| |
| } // std |
| */ |
| |
| // clang-format on |
| |
| #include <__config> |
| |
| #include <__chrono/duration.h> |
| #include <__chrono/file_clock.h> |
| #include <__chrono/high_resolution_clock.h> |
| #include <__chrono/steady_clock.h> |
| #include <__chrono/system_clock.h> |
| #include <__chrono/time_point.h> |
| |
| #if _LIBCPP_STD_VER >= 20 |
| # include <__chrono/calendar.h> |
| # include <__chrono/day.h> |
| # include <__chrono/hh_mm_ss.h> |
| # include <__chrono/literals.h> |
| # include <__chrono/local_info.h> |
| # include <__chrono/month.h> |
| # include <__chrono/month_weekday.h> |
| # include <__chrono/monthday.h> |
| # include <__chrono/sys_info.h> |
| # include <__chrono/weekday.h> |
| # include <__chrono/year.h> |
| # include <__chrono/year_month.h> |
| # include <__chrono/year_month_day.h> |
| # include <__chrono/year_month_weekday.h> |
| |
| # if !defined(_LIBCPP_HAS_NO_LOCALIZATION) |
| # include <__chrono/formatter.h> |
| # include <__chrono/ostream.h> |
| # include <__chrono/parser_std_format_spec.h> |
| # include <__chrono/statically_widen.h> |
| # endif |
| |
| # if !defined(_LIBCPP_HAS_NO_TIME_ZONE_DATABASE) && !defined(_LIBCPP_HAS_NO_FILESYSTEM) && \ |
| !defined(_LIBCPP_HAS_NO_LOCALIZATION) |
| # include <__chrono/leap_second.h> |
| # include <__chrono/time_zone.h> |
| # include <__chrono/time_zone_link.h> |
| # include <__chrono/tzdb.h> |
| # include <__chrono/tzdb_list.h> |
| # endif |
| |
| #endif |
| |
| #include <version> |
| |
| // standard-mandated includes |
| |
| // [time.syn] |
| #include <compare> |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| # pragma GCC system_header |
| #endif |
| |
| #if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 17 |
| # include <cstdint> |
| # include <stdexcept> |
| # include <string_view> |
| # include <vector> |
| #endif |
| |
| #if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20 |
| # include <bit> |
| # include <concepts> |
| # include <cstring> |
| # include <forward_list> |
| # include <string> |
| # include <tuple> |
| #endif |
| |
| #if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER == 20 |
| # include <charconv> |
| # include <locale> |
| #endif |
| |
| #endif // _LIBCPP_CHRONO |
