// -*- C++ -*- //===---------------------------- chrono ----------------------------------===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// #ifndef _LIBCPP_CHRONO #define _LIBCPP_CHRONO /* chrono synopsis namespace std { namespace chrono { template constexpr ToDuration duration_cast(const duration& fd); template struct treat_as_floating_point : is_floating_point {}; template inline constexpr bool treat_as_floating_point_v = treat_as_floating_point::value; // C++17 template 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 duration { static_assert(!__is_duration::value, "A duration representation can not be a duration"); static_assert(__is_ratio::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 constexpr explicit duration(const Rep2& r, typename enable_if < is_convertible::value && (treat_as_floating_point::value || !treat_as_floating_point::value && !treat_as_floating_point::value) >::type* = 0); // conversions template constexpr duration(const duration& d, typename enable_if < treat_as_floating_point::value || ratio_divide::type::den == 1 >::type* = 0); // observer constexpr rep count() const; // arithmetic constexpr common_type::type operator+() const; constexpr common_type::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 nanoseconds; typedef duration microseconds; typedef duration milliseconds; typedef duration seconds; typedef duration< long, ratio< 60> > minutes; typedef duration< long, ratio<3600> > hours; template 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 time_point(const time_point& 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 struct common_type, chrono::duration>; template struct common_type, chrono::time_point>; namespace chrono { template struct is_clock; // C++20 template inline constexpr bool is_clock_v = is_clock::value; // C++20 // duration arithmetic template constexpr typename common_type, duration>::type operator+(const duration& lhs, const duration& rhs); template constexpr typename common_type, duration>::type operator-(const duration& lhs, const duration& rhs); template constexpr duration::type, Period> operator*(const duration& d, const Rep2& s); template constexpr duration::type, Period> operator*(const Rep1& s, const duration& d); template constexpr duration::type, Period> operator/(const duration& d, const Rep2& s); template constexpr typename common_type::type operator/(const duration& lhs, const duration& rhs); // duration comparisons template constexpr bool operator==(const duration& lhs, const duration& rhs); template constexpr bool operator!=(const duration& lhs, const duration& rhs); template constexpr bool operator< (const duration& lhs, const duration& rhs); template constexpr bool operator<=(const duration& lhs, const duration& rhs); template constexpr bool operator> (const duration& lhs, const duration& rhs); template constexpr bool operator>=(const duration& lhs, const duration& rhs); // duration_cast template ToDuration duration_cast(const duration& d); template constexpr ToDuration floor(const duration& d); // C++17 template constexpr ToDuration ceil(const duration& d); // C++17 template constexpr ToDuration round(const duration& d); // C++17 // duration I/O is elsewhere // time_point arithmetic (all constexpr in C++14) template time_point>::type> operator+(const time_point& lhs, const duration& rhs); template time_point, Duration2>::type> operator+(const duration& lhs, const time_point& rhs); template time_point>::type> operator-(const time_point& lhs, const duration& rhs); template typename common_type::type operator-(const time_point& lhs, const time_point& rhs); // time_point comparisons (all constexpr in C++14) template bool operator==(const time_point& lhs, const time_point& rhs); template bool operator!=(const time_point& lhs, const time_point& rhs); template bool operator< (const time_point& lhs, const time_point& rhs); template bool operator<=(const time_point& lhs, const time_point& rhs); template bool operator> (const time_point& lhs, const time_point& rhs); template bool operator>=(const time_point& lhs, const time_point& rhs); // time_point_cast (constexpr in C++14) template time_point time_point_cast(const time_point& t); template constexpr time_point floor(const time_point& tp); // C++17 template constexpr time_point ceil(const time_point& tp); // C++17 template constexpr time_point round(const time_point& tp); // C++17 template constexpr duration abs(duration d); // C++17 // Clocks class system_clock { public: typedef microseconds duration; typedef duration::rep rep; typedef duration::period period; typedef chrono::time_point 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 using sys_time = time_point; // C++20 using sys_seconds = sys_time; // C++20 using sys_days = sys_time; // C++20 class utc_clock; // C++20 template using utc_time = time_point; // C++20 using utc_seconds = utc_time; // C++20 class tai_clock; // C++20 template using tai_time = time_point; // C++20 using tai_seconds = tai_time; // C++20 class file_clock; // C++20 template using file_time = time_point; // C++20 class steady_clock { public: typedef nanoseconds duration; typedef duration::rep rep; typedef duration::period period; typedef chrono::time_point 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 using local_time = time_point; using local_seconds = local_time; using local_days = local_time; // 25.7.9, time_point conversions template // C++20 struct clock_time_conversion; template auto clock_cast(const time_point& t); // 25.8.2, class last_spec // C++20 struct last_spec; // 25.8.3, class day // C++20 class day; constexpr bool operator==(const day& x, const day& y) noexcept; constexpr bool operator!=(const day& x, const day& y) noexcept; constexpr bool operator< (const day& x, const day& y) noexcept; constexpr bool operator> (const day& x, const day& y) noexcept; constexpr bool operator<=(const day& x, const day& y) noexcept; constexpr bool operator>=(const day& x, const day& y) noexcept; constexpr day operator+(const day& x, const days& y) noexcept; constexpr day operator+(const days& x, const day& y) noexcept; constexpr day operator-(const day& x, const days& y) noexcept; constexpr days operator-(const day& x, const day& y) noexcept; // 25.8.4, class month // C++20 class month; constexpr bool operator==(const month& x, const month& y) noexcept; constexpr bool operator!=(const month& x, const month& y) noexcept; constexpr bool operator< (const month& x, const month& y) noexcept; constexpr bool operator> (const month& x, const month& y) noexcept; constexpr bool operator<=(const month& x, const month& y) noexcept; constexpr bool operator>=(const month& x, const month& y) noexcept; constexpr month operator+(const month& x, const months& y) noexcept; constexpr month operator+(const months& x, const month& y) noexcept; constexpr month operator-(const month& x, const months& y) noexcept; constexpr months operator-(const month& x, const month& y) noexcept; // 25.8.5, class year // C++20 class year; constexpr bool operator==(const year& x, const year& y) noexcept; constexpr bool operator!=(const year& x, const year& y) noexcept; constexpr bool operator< (const year& x, const year& y) noexcept; constexpr bool operator> (const year& x, const year& y) noexcept; constexpr bool operator<=(const year& x, const year& y) noexcept; constexpr bool operator>=(const year& x, const year& y) noexcept; constexpr year operator+(const year& x, const years& y) noexcept; constexpr year operator+(const years& x, const year& y) noexcept; constexpr year operator-(const year& x, const years& y) noexcept; constexpr years operator-(const year& x, const year& y) noexcept; // 25.8.6, class weekday // C++20 class weekday; constexpr bool operator==(const weekday& x, const weekday& y) noexcept; constexpr bool operator!=(const weekday& x, const weekday& y) noexcept; constexpr weekday operator+(const weekday& x, const days& y) noexcept; constexpr weekday operator+(const days& x, const weekday& y) noexcept; constexpr weekday operator-(const weekday& x, const days& y) noexcept; constexpr days operator-(const weekday& x, const weekday& y) noexcept; // 25.8.7, class weekday_indexed // C++20 class weekday_indexed; constexpr bool operator==(const weekday_indexed& x, const weekday_indexed& y) noexcept; constexpr bool operator!=(const weekday_indexed& x, const weekday_indexed& y) noexcept; // 25.8.8, class weekday_last // C++20 class weekday_last; constexpr bool operator==(const weekday_last& x, const weekday_last& y) noexcept; constexpr bool operator!=(const weekday_last& x, const weekday_last& y) noexcept; // 25.8.9, class month_day // C++20 class month_day; constexpr bool operator==(const month_day& x, const month_day& y) noexcept; constexpr bool operator!=(const month_day& x, const month_day& y) noexcept; constexpr bool operator< (const month_day& x, const month_day& y) noexcept; constexpr bool operator> (const month_day& x, const month_day& y) noexcept; constexpr bool operator<=(const month_day& x, const month_day& y) noexcept; constexpr bool operator>=(const month_day& x, const month_day& y) noexcept; // 25.8.10, class month_day_last // C++20 class month_day_last; constexpr bool operator==(const month_day_last& x, const month_day_last& y) noexcept; constexpr bool operator!=(const month_day_last& x, const month_day_last& y) noexcept; constexpr bool operator< (const month_day_last& x, const month_day_last& y) noexcept; constexpr bool operator> (const month_day_last& x, const month_day_last& y) noexcept; constexpr bool operator<=(const month_day_last& x, const month_day_last& y) noexcept; constexpr bool operator>=(const month_day_last& x, const month_day_last& y) noexcept; // 25.8.11, class month_weekday // C++20 class month_weekday; constexpr bool operator==(const month_weekday& x, const month_weekday& y) noexcept; constexpr bool operator!=(const month_weekday& x, const month_weekday& y) noexcept; // 25.8.12, class month_weekday_last // C++20 class month_weekday_last; constexpr bool operator==(const month_weekday_last& x, const month_weekday_last& y) noexcept; constexpr bool operator!=(const month_weekday_last& x, const month_weekday_last& y) noexcept; // 25.8.13, class year_month // C++20 class year_month; constexpr bool operator==(const year_month& x, const year_month& y) noexcept; constexpr bool operator!=(const year_month& x, const year_month& y) noexcept; constexpr bool operator< (const year_month& x, const year_month& y) noexcept; constexpr bool operator> (const year_month& x, const year_month& y) noexcept; constexpr bool operator<=(const year_month& x, const year_month& y) noexcept; constexpr bool operator>=(const year_month& x, const year_month& y) noexcept; constexpr year_month operator+(const year_month& ym, const months& dm) noexcept; constexpr year_month operator+(const months& dm, const year_month& ym) noexcept; constexpr year_month operator-(const year_month& ym, const months& dm) noexcept; constexpr months operator-(const year_month& x, const year_month& y) noexcept; constexpr year_month operator+(const year_month& ym, const years& dy) noexcept; constexpr year_month operator+(const years& dy, const year_month& ym) noexcept; constexpr year_month operator-(const year_month& ym, const years& dy) noexcept; // 25.8.14, class year_month_day class // C++20 year_month_day; constexpr bool operator==(const year_month_day& x, const year_month_day& y) noexcept; constexpr bool operator!=(const year_month_day& x, const year_month_day& y) noexcept; constexpr bool operator< (const year_month_day& x, const year_month_day& y) noexcept; constexpr bool operator> (const year_month_day& x, const year_month_day& y) noexcept; constexpr bool operator<=(const year_month_day& x, const year_month_day& y) noexcept; constexpr bool operator>=(const year_month_day& x, const year_month_day& y) noexcept; constexpr year_month_day operator+(const year_month_day& ymd, const months& dm) noexcept; constexpr year_month_day operator+(const months& dm, const year_month_day& ymd) noexcept; constexpr year_month_day operator+(const year_month_day& ymd, const years& dy) noexcept; constexpr year_month_day operator+(const years& dy, const year_month_day& ymd) noexcept; constexpr year_month_day operator-(const year_month_day& ymd, const months& dm) noexcept; constexpr year_month_day operator-(const year_month_day& ymd, const years& dy) noexcept; // 25.8.15, class year_month_day_last // C++20 class year_month_day_last; constexpr bool operator==(const year_month_day_last& x, const year_month_day_last& y) noexcept; constexpr bool operator!=(const year_month_day_last& x, const year_month_day_last& y) noexcept; constexpr bool operator< (const year_month_day_last& x, const year_month_day_last& y) noexcept; constexpr bool operator> (const year_month_day_last& x, const year_month_day_last& y) noexcept; constexpr bool operator<=(const year_month_day_last& x, const year_month_day_last& y) noexcept; constexpr bool operator>=(const year_month_day_last& x, const year_month_day_last& y) noexcept; constexpr year_month_day_last operator+(const year_month_day_last& ymdl, const months& dm) noexcept; constexpr year_month_day_last operator+(const months& dm, const year_month_day_last& ymdl) noexcept; constexpr year_month_day_last operator+(const year_month_day_last& ymdl, const years& dy) noexcept; constexpr year_month_day_last operator+(const years& dy, const year_month_day_last& ymdl) noexcept; constexpr year_month_day_last operator-(const year_month_day_last& ymdl, const months& dm) noexcept; constexpr year_month_day_last operator-(const year_month_day_last& ymdl, const years& dy) noexcept; // 25.8.16, class year_month_weekday // C++20 class year_month_weekday; constexpr bool operator==(const year_month_weekday& x, const year_month_weekday& y) noexcept; constexpr bool operator!=(const year_month_weekday& x, const year_month_weekday& y) noexcept; constexpr year_month_weekday operator+(const year_month_weekday& ymwd, const months& dm) noexcept; constexpr year_month_weekday operator+(const months& dm, const year_month_weekday& ymwd) noexcept; constexpr year_month_weekday operator+(const year_month_weekday& ymwd, const years& dy) noexcept; constexpr year_month_weekday operator+(const years& dy, const year_month_weekday& ymwd) noexcept; constexpr year_month_weekday operator-(const year_month_weekday& ymwd, const months& dm) noexcept; constexpr year_month_weekday operator-(const year_month_weekday& ymwd, const years& dy) noexcept; // 25.8.17, class year_month_weekday_last // C++20 class year_month_weekday_last; constexpr bool operator==(const year_month_weekday_last& x, const year_month_weekday_last& y) noexcept; constexpr bool operator!=(const year_month_weekday_last& x, const year_month_weekday_last& y) noexcept; constexpr year_month_weekday_last operator+(const year_month_weekday_last& ymwdl, const months& dm) noexcept; constexpr year_month_weekday_last operator+(const months& dm, const year_month_weekday_last& ymwdl) noexcept; constexpr year_month_weekday_last operator+(const year_month_weekday_last& ymwdl, const years& dy) noexcept; constexpr year_month_weekday_last operator+(const years& dy, const year_month_weekday_last& ymwdl) noexcept; constexpr year_month_weekday_last operator-(const year_month_weekday_last& ymwdl, const months& dm) noexcept; constexpr year_month_weekday_last operator-(const year_month_weekday_last& ymwdl, const years& dy) noexcept; // 25.8.18, civil calendar conventional syntax operators // C++20 constexpr year_month operator/(const year& y, const month& m) noexcept; constexpr year_month operator/(const year& y, int m) noexcept; constexpr month_day operator/(const month& m, const day& d) noexcept; constexpr month_day operator/(const month& m, int d) noexcept; constexpr month_day operator/(int m, const day& d) noexcept; constexpr month_day operator/(const day& d, const month& m) noexcept; constexpr month_day operator/(const day& d, int m) noexcept; constexpr month_day_last operator/(const month& m, last_spec) noexcept; constexpr month_day_last operator/(int m, last_spec) noexcept; constexpr month_day_last operator/(last_spec, const month& m) noexcept; constexpr month_day_last operator/(last_spec, int m) noexcept; constexpr month_weekday operator/(const month& m, const weekday_indexed& wdi) noexcept; constexpr month_weekday operator/(int m, const weekday_indexed& wdi) noexcept; constexpr month_weekday operator/(const weekday_indexed& wdi, const month& m) noexcept; constexpr month_weekday operator/(const weekday_indexed& wdi, int m) noexcept; constexpr month_weekday_last operator/(const month& m, const weekday_last& wdl) noexcept; constexpr month_weekday_last operator/(int m, const weekday_last& wdl) noexcept; constexpr month_weekday_last operator/(const weekday_last& wdl, const month& m) noexcept; constexpr month_weekday_last operator/(const weekday_last& wdl, int m) noexcept; constexpr year_month_day operator/(const year_month& ym, const day& d) noexcept; constexpr year_month_day operator/(const year_month& ym, int d) noexcept; constexpr year_month_day operator/(const year& y, const month_day& md) noexcept; constexpr year_month_day operator/(int y, const month_day& md) noexcept; constexpr year_month_day operator/(const month_day& md, const year& y) noexcept; constexpr year_month_day operator/(const month_day& md, int y) noexcept; constexpr year_month_day_last operator/(const year_month& ym, last_spec) noexcept; constexpr year_month_day_last operator/(const year& y, const month_day_last& mdl) noexcept; constexpr year_month_day_last operator/(int y, const month_day_last& mdl) noexcept; constexpr year_month_day_last operator/(const month_day_last& mdl, const year& y) noexcept; constexpr year_month_day_last operator/(const month_day_last& mdl, int y) noexcept; constexpr year_month_weekday operator/(const year_month& ym, const weekday_indexed& wdi) noexcept; constexpr year_month_weekday operator/(const year& y, const month_weekday& mwd) noexcept; constexpr year_month_weekday operator/(int y, const month_weekday& mwd) noexcept; constexpr year_month_weekday operator/(const month_weekday& mwd, const year& y) noexcept; constexpr year_month_weekday operator/(const month_weekday& mwd, int y) noexcept; constexpr year_month_weekday_last operator/(const year_month& ym, const weekday_last& wdl) noexcept; constexpr year_month_weekday_last operator/(const year& y, const month_weekday_last& mwdl) noexcept; constexpr year_month_weekday_last operator/(int y, const month_weekday_last& mwdl) noexcept; constexpr year_month_weekday_last operator/(const month_weekday_last& mwdl, const year& y) noexcept; constexpr year_month_weekday_last operator/(const month_weekday_last& mwdl, int y) noexcept; // 26.9, class template hh_mm_ss template class 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 basic_ostream& operator<<(basic_ostream& os, hh_mm_ss const& hms); // 26.10, 12/24 hour functions constexpr bool is_am(hours const& h) noexcept; constexpr bool is_pm(hours const& h) noexcept; constexpr hours make12(const hours& h) noexcept; constexpr hours make24(const hours& h, bool is_pm) noexcept; // 25.10.2, time zone database // C++20 struct tzdb; class tzdb_list; // 25.10.2.3, time zone database access // C++20 const tzdb& get_tzdb(); tzdb_list& get_tzdb_list(); const time_zone* locate_zone(string_view tz_name); const time_zone* current_zone(); // 25.10.2.4, remote time zone database support // C++20 const tzdb& reload_tzdb(); string remote_version(); // 25.10.3, exception classes // C++20 class nonexistent_local_time; class ambiguous_local_time; // 25.10.4, information classes // C++20 struct sys_info; struct local_info; // 25.10.5, class time_zone // C++20 enum class choose {earliest, latest}; class time_zone; bool operator==(const time_zone& x, const time_zone& y) noexcept; bool operator!=(const time_zone& x, const time_zone& y) noexcept; bool operator<(const time_zone& x, const time_zone& y) noexcept; bool operator>(const time_zone& x, const time_zone& y) noexcept; bool operator<=(const time_zone& x, const time_zone& y) noexcept; bool operator>=(const time_zone& x, const time_zone& y) noexcept; // 25.10.6, class template zoned_traits // C++20 template struct zoned_traits; // 25.10.7, class template zoned_time // C++20 template class zoned_time; using zoned_seconds = zoned_time; template bool operator==(const zoned_time& x, const zoned_time& y); template bool operator!=(const zoned_time& x, const zoned_time& y); // 25.10.8, leap second support // C++20 class leap; bool operator==(const leap& x, const leap& y); bool operator!=(const leap& x, const leap& y); bool operator< (const leap& x, const leap& y); bool operator> (const leap& x, const leap& y); bool operator<=(const leap& x, const leap& y); bool operator>=(const leap& x, const leap& y); template bool operator==(const leap& x, const sys_time& y); template bool operator==(const sys_time& x, const leap& y); template bool operator!=(const leap& x, const sys_time& y); template bool operator!=(const sys_time& x, const leap& y); template bool operator< (const leap& x, const sys_time& y); template bool operator< (const sys_time& x, const leap& y); template bool operator> (const leap& x, const sys_time& y); template bool operator> (const sys_time& x, const leap& y); template bool operator<=(const leap& x, const sys_time& y); template bool operator<=(const sys_time& x, const leap& y); template bool operator>=(const leap& x, const sys_time& y); template bool operator>=(const sys_time& x, const leap& y); // 25.10.9, class link // C++20 class link; bool operator==(const link& x, const link& y); bool operator!=(const link& x, const link& y); bool operator< (const link& x, const link& y); bool operator> (const link& x, const link& y); bool operator<=(const link& x, const link& y); bool operator>=(const link& x, const link& y); // 25.11, formatting // C++20 template basic_string format(const charT* fmt, const Streamable& s); template basic_string format(const locale& loc, const charT* fmt, const Streamable& s); template basic_string format(const basic_string& fmt, const Streamable& s); template basic_string format(const locale& loc, const basic_string& fmt, const Streamable& s); // 25.12, parsing // C++20 template unspecified parse(const basic_string& format, Parsable& tp); template unspecified parse(const basic_string& format, Parsable& tp, basic_string& abbrev); template unspecified parse(const basic_string& format, Parsable& tp, minutes& offset); template unspecified parse(const basic_string& format, Parsable& tp, basic_string& abbrev, minutes& offset); // calendrical constants inline constexpr last_spec last{}; // C++20 inline constexpr chrono::weekday Sunday{0}; // C++20 inline constexpr chrono::weekday Monday{1}; // C++20 inline constexpr chrono::weekday Tuesday{2}; // C++20 inline constexpr chrono::weekday Wednesday{3}; // C++20 inline constexpr chrono::weekday Thursday{4}; // C++20 inline constexpr chrono::weekday Friday{5}; // C++20 inline constexpr chrono::weekday Saturday{6}; // C++20 inline constexpr chrono::month January{1}; // C++20 inline constexpr chrono::month February{2}; // C++20 inline constexpr chrono::month March{3}; // C++20 inline constexpr chrono::month April{4}; // C++20 inline constexpr chrono::month May{5}; // C++20 inline constexpr chrono::month June{6}; // C++20 inline constexpr chrono::month July{7}; // C++20 inline constexpr chrono::month August{8}; // C++20 inline constexpr chrono::month September{9}; // C++20 inline constexpr chrono::month October{10}; // C++20 inline constexpr chrono::month November{11}; // C++20 inline constexpr chrono::month December{12}; // C++20 } // chrono inline namespace literals { inline namespace chrono_literals { constexpr chrono::hours operator ""h(unsigned long long); // C++14 constexpr chrono::duration> operator ""h(long double); // C++14 constexpr chrono::minutes operator ""min(unsigned long long); // C++14 constexpr chrono::duration> operator ""min(long double); // C++14 constexpr chrono::seconds operator ""s(unsigned long long); // C++14 constexpr chrono::duration operator ""s(long double); // C++14 constexpr chrono::milliseconds operator ""ms(unsigned long long); // C++14 constexpr chrono::duration operator ""ms(long double); // C++14 constexpr chrono::microseconds operator ""us(unsigned long long); // C++14 constexpr chrono::duration operator ""us(long double); // C++14 constexpr chrono::nanoseconds operator ""ns(unsigned long long); // C++14 constexpr chrono::duration operator ""ns(long double); // C++14 constexpr chrono::day operator ""d(unsigned long long d) noexcept; // C++20 constexpr chrono::year operator ""y(unsigned long long y) noexcept; // C++20 } // chrono_literals } // literals } // std */ #include <__config> #include #include #include #include #include #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) #pragma GCC system_header #endif _LIBCPP_PUSH_MACROS #include <__undef_macros> #ifndef _LIBCPP_CXX03_LANG _LIBCPP_BEGIN_NAMESPACE_FILESYSTEM struct _FilesystemClock; _LIBCPP_END_NAMESPACE_FILESYSTEM #endif // !_LIBCPP_CXX03_LANG _LIBCPP_BEGIN_NAMESPACE_STD namespace chrono { template > class _LIBCPP_TEMPLATE_VIS duration; template struct __is_duration : false_type {}; template struct __is_duration > : true_type {}; template struct __is_duration > : true_type {}; template struct __is_duration > : true_type {}; template struct __is_duration > : true_type {}; } // chrono template struct _LIBCPP_TEMPLATE_VIS common_type, chrono::duration<_Rep2, _Period2> > { typedef chrono::duration::type, typename __ratio_gcd<_Period1, _Period2>::type> type; }; namespace chrono { // duration_cast template ::type, bool = _Period::num == 1, bool = _Period::den == 1> struct __duration_cast; template struct __duration_cast<_FromDuration, _ToDuration, _Period, true, true> { _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR _ToDuration operator()(const _FromDuration& __fd) const { return _ToDuration(static_cast(__fd.count())); } }; template struct __duration_cast<_FromDuration, _ToDuration, _Period, true, false> { _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR _ToDuration operator()(const _FromDuration& __fd) const { typedef typename common_type::type _Ct; return _ToDuration(static_cast( static_cast<_Ct>(__fd.count()) / static_cast<_Ct>(_Period::den))); } }; template struct __duration_cast<_FromDuration, _ToDuration, _Period, false, true> { _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR _ToDuration operator()(const _FromDuration& __fd) const { typedef typename common_type::type _Ct; return _ToDuration(static_cast( static_cast<_Ct>(__fd.count()) * static_cast<_Ct>(_Period::num))); } }; template struct __duration_cast<_FromDuration, _ToDuration, _Period, false, false> { _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR _ToDuration operator()(const _FromDuration& __fd) const { typedef typename common_type::type _Ct; return _ToDuration(static_cast( static_cast<_Ct>(__fd.count()) * static_cast<_Ct>(_Period::num) / static_cast<_Ct>(_Period::den))); } }; template inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR typename enable_if < __is_duration<_ToDuration>::value, _ToDuration >::type duration_cast(const duration<_Rep, _Period>& __fd) { return __duration_cast, _ToDuration>()(__fd); } template struct _LIBCPP_TEMPLATE_VIS treat_as_floating_point : is_floating_point<_Rep> {}; #if _LIBCPP_STD_VER > 14 && !defined(_LIBCPP_HAS_NO_VARIABLE_TEMPLATES) template _LIBCPP_INLINE_VAR _LIBCPP_CONSTEXPR bool treat_as_floating_point_v = treat_as_floating_point<_Rep>::value; #endif template struct _LIBCPP_TEMPLATE_VIS duration_values { public: _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR _Rep zero() _NOEXCEPT {return _Rep(0);} _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR _Rep max() _NOEXCEPT {return numeric_limits<_Rep>::max();} _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR _Rep min() _NOEXCEPT {return numeric_limits<_Rep>::lowest();} }; #if _LIBCPP_STD_VER > 14 template inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR typename enable_if < __is_duration<_ToDuration>::value, _ToDuration >::type floor(const duration<_Rep, _Period>& __d) { _ToDuration __t = duration_cast<_ToDuration>(__d); if (__t > __d) __t = __t - _ToDuration{1}; return __t; } template inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR typename enable_if < __is_duration<_ToDuration>::value, _ToDuration >::type ceil(const duration<_Rep, _Period>& __d) { _ToDuration __t = duration_cast<_ToDuration>(__d); if (__t < __d) __t = __t + _ToDuration{1}; return __t; } template inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR typename enable_if < __is_duration<_ToDuration>::value, _ToDuration >::type round(const duration<_Rep, _Period>& __d) { _ToDuration __lower = floor<_ToDuration>(__d); _ToDuration __upper = __lower + _ToDuration{1}; auto __lowerDiff = __d - __lower; auto __upperDiff = __upper - __d; if (__lowerDiff < __upperDiff) return __lower; if (__lowerDiff > __upperDiff) return __upper; return __lower.count() & 1 ? __upper : __lower; } #endif // duration template class _LIBCPP_TEMPLATE_VIS duration { static_assert(!__is_duration<_Rep>::value, "A duration representation can not be a duration"); static_assert(__is_ratio<_Period>::value, "Second template parameter of duration must be a std::ratio"); static_assert(_Period::num > 0, "duration period must be positive"); template struct __no_overflow { private: static const intmax_t __gcd_n1_n2 = __static_gcd<_R1::num, _R2::num>::value; static const intmax_t __gcd_d1_d2 = __static_gcd<_R1::den, _R2::den>::value; static const intmax_t __n1 = _R1::num / __gcd_n1_n2; static const intmax_t __d1 = _R1::den / __gcd_d1_d2; static const intmax_t __n2 = _R2::num / __gcd_n1_n2; static const intmax_t __d2 = _R2::den / __gcd_d1_d2; static const intmax_t max = -((intmax_t(1) << (sizeof(intmax_t) * CHAR_BIT - 1)) + 1); template struct __mul // __overflow == false { static const intmax_t value = _Xp * _Yp; }; template struct __mul<_Xp, _Yp, true> { static const intmax_t value = 1; }; public: static const bool value = (__n1 <= max / __d2) && (__n2 <= max / __d1); typedef ratio<__mul<__n1, __d2, !value>::value, __mul<__n2, __d1, !value>::value> type; }; public: typedef _Rep rep; typedef typename _Period::type period; private: rep __rep_; public: _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR #ifndef _LIBCPP_CXX03_LANG duration() = default; #else duration() {} #endif template _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR explicit duration(const _Rep2& __r, typename enable_if < is_convertible<_Rep2, rep>::value && (treat_as_floating_point::value || !treat_as_floating_point<_Rep2>::value) >::type* = 0) : __rep_(__r) {} // conversions template _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR duration(const duration<_Rep2, _Period2>& __d, typename enable_if < __no_overflow<_Period2, period>::value && ( treat_as_floating_point::value || (__no_overflow<_Period2, period>::type::den == 1 && !treat_as_floating_point<_Rep2>::value)) >::type* = 0) : __rep_(_VSTD::chrono::duration_cast(__d).count()) {} // observer _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR rep count() const {return __rep_;} // arithmetic _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR typename common_type::type operator+() const {return typename common_type::type(*this);} _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR typename common_type::type operator-() const {return typename common_type::type(-__rep_);} _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator++() {++__rep_; return *this;} _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration operator++(int) {return duration(__rep_++);} _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator--() {--__rep_; return *this;} _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration operator--(int) {return duration(__rep_--);} _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator+=(const duration& __d) {__rep_ += __d.count(); return *this;} _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator-=(const duration& __d) {__rep_ -= __d.count(); return *this;} _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator*=(const rep& rhs) {__rep_ *= rhs; return *this;} _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator/=(const rep& rhs) {__rep_ /= rhs; return *this;} _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator%=(const rep& rhs) {__rep_ %= rhs; return *this;} _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator%=(const duration& rhs) {__rep_ %= rhs.count(); return *this;} // special values _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR duration zero() _NOEXCEPT {return duration(duration_values::zero());} _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR duration min() _NOEXCEPT {return duration(duration_values::min());} _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR duration max() _NOEXCEPT {return duration(duration_values::max());} }; typedef duration nanoseconds; typedef duration microseconds; typedef duration milliseconds; typedef duration seconds; typedef duration< long, ratio< 60> > minutes; typedef duration< long, ratio<3600> > hours; #if _LIBCPP_STD_VER > 17 typedef duration< int, ratio_multiply, hours::period>> days; typedef duration< int, ratio_multiply, days::period>> weeks; typedef duration< int, ratio_multiply, days::period>> years; typedef duration< int, ratio_divide>> months; #endif // Duration == template struct __duration_eq { _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR bool operator()(const _LhsDuration& __lhs, const _RhsDuration& __rhs) const { typedef typename common_type<_LhsDuration, _RhsDuration>::type _Ct; return _Ct(__lhs).count() == _Ct(__rhs).count(); } }; template struct __duration_eq<_LhsDuration, _LhsDuration> { _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR bool operator()(const _LhsDuration& __lhs, const _LhsDuration& __rhs) const {return __lhs.count() == __rhs.count();} }; template inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR bool operator==(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) { return __duration_eq, duration<_Rep2, _Period2> >()(__lhs, __rhs); } // Duration != template inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR bool operator!=(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) { return !(__lhs == __rhs); } // Duration < template struct __duration_lt { _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR bool operator()(const _LhsDuration& __lhs, const _RhsDuration& __rhs) const { typedef typename common_type<_LhsDuration, _RhsDuration>::type _Ct; return _Ct(__lhs).count() < _Ct(__rhs).count(); } }; template struct __duration_lt<_LhsDuration, _LhsDuration> { _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR bool operator()(const _LhsDuration& __lhs, const _LhsDuration& __rhs) const {return __lhs.count() < __rhs.count();} }; template inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR bool operator< (const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) { return __duration_lt, duration<_Rep2, _Period2> >()(__lhs, __rhs); } // Duration > template inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR bool operator> (const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) { return __rhs < __lhs; } // Duration <= template inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR bool operator<=(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) { return !(__rhs < __lhs); } // Duration >= template inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR bool operator>=(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) { return !(__lhs < __rhs); } // Duration + template inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR typename common_type, duration<_Rep2, _Period2> >::type operator+(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) { typedef typename common_type, duration<_Rep2, _Period2> >::type _Cd; return _Cd(_Cd(__lhs).count() + _Cd(__rhs).count()); } // Duration - template inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR typename common_type, duration<_Rep2, _Period2> >::type operator-(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) { typedef typename common_type, duration<_Rep2, _Period2> >::type _Cd; return _Cd(_Cd(__lhs).count() - _Cd(__rhs).count()); } // Duration * template inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR typename enable_if < is_convertible<_Rep2, typename common_type<_Rep1, _Rep2>::type>::value, duration::type, _Period> >::type operator*(const duration<_Rep1, _Period>& __d, const _Rep2& __s) { typedef typename common_type<_Rep1, _Rep2>::type _Cr; typedef duration<_Cr, _Period> _Cd; return _Cd(_Cd(__d).count() * static_cast<_Cr>(__s)); } template inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR typename enable_if < is_convertible<_Rep1, typename common_type<_Rep1, _Rep2>::type>::value, duration::type, _Period> >::type operator*(const _Rep1& __s, const duration<_Rep2, _Period>& __d) { return __d * __s; } // Duration / template inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR typename enable_if < !__is_duration<_Rep2>::value && is_convertible<_Rep2, typename common_type<_Rep1, _Rep2>::type>::value, duration::type, _Period> >::type operator/(const duration<_Rep1, _Period>& __d, const _Rep2& __s) { typedef typename common_type<_Rep1, _Rep2>::type _Cr; typedef duration<_Cr, _Period> _Cd; return _Cd(_Cd(__d).count() / static_cast<_Cr>(__s)); } template inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR typename common_type<_Rep1, _Rep2>::type operator/(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) { typedef typename common_type, duration<_Rep2, _Period2> >::type _Ct; return _Ct(__lhs).count() / _Ct(__rhs).count(); } // Duration % template inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR typename enable_if < !__is_duration<_Rep2>::value && is_convertible<_Rep2, typename common_type<_Rep1, _Rep2>::type>::value, duration::type, _Period> >::type operator%(const duration<_Rep1, _Period>& __d, const _Rep2& __s) { typedef typename common_type<_Rep1, _Rep2>::type _Cr; typedef duration<_Cr, _Period> _Cd; return _Cd(_Cd(__d).count() % static_cast<_Cr>(__s)); } template inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR typename common_type, duration<_Rep2, _Period2> >::type operator%(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) { typedef typename common_type<_Rep1, _Rep2>::type _Cr; typedef typename common_type, duration<_Rep2, _Period2> >::type _Cd; return _Cd(static_cast<_Cr>(_Cd(__lhs).count()) % static_cast<_Cr>(_Cd(__rhs).count())); } ////////////////////////////////////////////////////////// ///////////////////// time_point ///////////////////////// ////////////////////////////////////////////////////////// template class _LIBCPP_TEMPLATE_VIS time_point { static_assert(__is_duration<_Duration>::value, "Second template parameter of time_point must be a std::chrono::duration"); public: typedef _Clock clock; typedef _Duration duration; typedef typename duration::rep rep; typedef typename duration::period period; private: duration __d_; public: _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 time_point() : __d_(duration::zero()) {} _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 explicit time_point(const duration& __d) : __d_(__d) {} // conversions template _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 time_point(const time_point& t, typename enable_if < is_convertible<_Duration2, duration>::value >::type* = 0) : __d_(t.time_since_epoch()) {} // observer _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 duration time_since_epoch() const {return __d_;} // arithmetic _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 time_point& operator+=(const duration& __d) {__d_ += __d; return *this;} _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 time_point& operator-=(const duration& __d) {__d_ -= __d; return *this;} // special values _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR time_point min() _NOEXCEPT {return time_point(duration::min());} _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR time_point max() _NOEXCEPT {return time_point(duration::max());} }; } // chrono template struct _LIBCPP_TEMPLATE_VIS common_type, chrono::time_point<_Clock, _Duration2> > { typedef chrono::time_point<_Clock, typename common_type<_Duration1, _Duration2>::type> type; }; namespace chrono { template inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 time_point<_Clock, _ToDuration> time_point_cast(const time_point<_Clock, _Duration>& __t) { return time_point<_Clock, _ToDuration>(_VSTD::chrono::duration_cast<_ToDuration>(__t.time_since_epoch())); } #if _LIBCPP_STD_VER > 14 template inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR typename enable_if < __is_duration<_ToDuration>::value, time_point<_Clock, _ToDuration> >::type floor(const time_point<_Clock, _Duration>& __t) { return time_point<_Clock, _ToDuration>{floor<_ToDuration>(__t.time_since_epoch())}; } template inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR typename enable_if < __is_duration<_ToDuration>::value, time_point<_Clock, _ToDuration> >::type ceil(const time_point<_Clock, _Duration>& __t) { return time_point<_Clock, _ToDuration>{ceil<_ToDuration>(__t.time_since_epoch())}; } template inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR typename enable_if < __is_duration<_ToDuration>::value, time_point<_Clock, _ToDuration> >::type round(const time_point<_Clock, _Duration>& __t) { return time_point<_Clock, _ToDuration>{round<_ToDuration>(__t.time_since_epoch())}; } template inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR typename enable_if < numeric_limits<_Rep>::is_signed, duration<_Rep, _Period> >::type abs(duration<_Rep, _Period> __d) { return __d >= __d.zero() ? +__d : -__d; } #endif // time_point == template inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 bool operator==(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs) { return __lhs.time_since_epoch() == __rhs.time_since_epoch(); } // time_point != template inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 bool operator!=(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs) { return !(__lhs == __rhs); } // time_point < template inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 bool operator<(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs) { return __lhs.time_since_epoch() < __rhs.time_since_epoch(); } // time_point > template inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 bool operator>(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs) { return __rhs < __lhs; } // time_point <= template inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 bool operator<=(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs) { return !(__rhs < __lhs); } // time_point >= template inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 bool operator>=(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs) { return !(__lhs < __rhs); } // time_point operator+(time_point x, duration y); template inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 time_point<_Clock, typename common_type<_Duration1, duration<_Rep2, _Period2> >::type> operator+(const time_point<_Clock, _Duration1>& __lhs, const duration<_Rep2, _Period2>& __rhs) { typedef time_point<_Clock, typename common_type<_Duration1, duration<_Rep2, _Period2> >::type> _Tr; return _Tr (__lhs.time_since_epoch() + __rhs); } // time_point operator+(duration x, time_point y); template inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 time_point<_Clock, typename common_type, _Duration2>::type> operator+(const duration<_Rep1, _Period1>& __lhs, const time_point<_Clock, _Duration2>& __rhs) { return __rhs + __lhs; } // time_point operator-(time_point x, duration y); template inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 time_point<_Clock, typename common_type<_Duration1, duration<_Rep2, _Period2> >::type> operator-(const time_point<_Clock, _Duration1>& __lhs, const duration<_Rep2, _Period2>& __rhs) { typedef time_point<_Clock, typename common_type<_Duration1, duration<_Rep2, _Period2> >::type> _Ret; return _Ret(__lhs.time_since_epoch() -__rhs); } // duration operator-(time_point x, time_point y); template inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 typename common_type<_Duration1, _Duration2>::type operator-(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs) { return __lhs.time_since_epoch() - __rhs.time_since_epoch(); } ////////////////////////////////////////////////////////// /////////////////////// clocks /////////////////////////// ////////////////////////////////////////////////////////// class _LIBCPP_TYPE_VIS system_clock { public: typedef microseconds duration; typedef duration::rep rep; typedef duration::period period; typedef chrono::time_point time_point; static _LIBCPP_CONSTEXPR_AFTER_CXX11 const bool is_steady = false; static time_point now() _NOEXCEPT; static time_t to_time_t (const time_point& __t) _NOEXCEPT; static time_point from_time_t(time_t __t) _NOEXCEPT; }; #ifndef _LIBCPP_HAS_NO_MONOTONIC_CLOCK class _LIBCPP_TYPE_VIS steady_clock { public: typedef nanoseconds duration; typedef duration::rep rep; typedef duration::period period; typedef chrono::time_point time_point; static _LIBCPP_CONSTEXPR_AFTER_CXX11 const bool is_steady = true; static time_point now() _NOEXCEPT; }; typedef steady_clock high_resolution_clock; #else typedef system_clock high_resolution_clock; #endif #if _LIBCPP_STD_VER > 17 // [time.clock.file], type file_clock using file_clock = _VSTD_FS::_FilesystemClock; template using file_time = time_point; template using sys_time = time_point; using sys_seconds = sys_time; using sys_days = sys_time; struct local_t {}; template using local_time = time_point; using local_seconds = local_time; using local_days = local_time; struct last_spec { explicit last_spec() = default; }; class day { private: unsigned char __d; public: day() = default; explicit inline constexpr day(unsigned __val) noexcept : __d(static_cast(__val)) {} inline constexpr day& operator++() noexcept { ++__d; return *this; } inline constexpr day operator++(int) noexcept { day __tmp = *this; ++(*this); return __tmp; } inline constexpr day& operator--() noexcept { --__d; return *this; } inline constexpr day operator--(int) noexcept { day __tmp = *this; --(*this); return __tmp; } constexpr day& operator+=(const days& __dd) noexcept; constexpr day& operator-=(const days& __dd) noexcept; explicit inline constexpr operator unsigned() const noexcept { return __d; } inline constexpr bool ok() const noexcept { return __d >= 1 && __d <= 31; } }; inline constexpr bool operator==(const day& __lhs, const day& __rhs) noexcept { return static_cast(__lhs) == static_cast(__rhs); } inline constexpr bool operator!=(const day& __lhs, const day& __rhs) noexcept { return !(__lhs == __rhs); } inline constexpr bool operator< (const day& __lhs, const day& __rhs) noexcept { return static_cast(__lhs) < static_cast(__rhs); } inline constexpr bool operator> (const day& __lhs, const day& __rhs) noexcept { return __rhs < __lhs; } inline constexpr bool operator<=(const day& __lhs, const day& __rhs) noexcept { return !(__rhs < __lhs);} inline constexpr bool operator>=(const day& __lhs, const day& __rhs) noexcept { return !(__lhs < __rhs); } inline constexpr day operator+ (const day& __lhs, const days& __rhs) noexcept { return day(static_cast(__lhs) + __rhs.count()); } inline constexpr day operator+ (const days& __lhs, const day& __rhs) noexcept { return __rhs + __lhs; } inline constexpr day operator- (const day& __lhs, const days& __rhs) noexcept { return __lhs + -__rhs; } inline constexpr days operator-(const day& __lhs, const day& __rhs) noexcept { return days(static_cast(static_cast(__lhs)) - static_cast(static_cast(__rhs))); } inline constexpr day& day::operator+=(const days& __dd) noexcept { *this = *this + __dd; return *this; } inline constexpr day& day::operator-=(const days& __dd) noexcept { *this = *this - __dd; return *this; } class month { private: unsigned char __m; public: month() = default; explicit inline constexpr month(unsigned __val) noexcept : __m(static_cast(__val)) {} inline constexpr month& operator++() noexcept { ++__m; return *this; } inline constexpr month operator++(int) noexcept { month __tmp = *this; ++(*this); return __tmp; } inline constexpr month& operator--() noexcept { --__m; return *this; } inline constexpr month operator--(int) noexcept { month __tmp = *this; --(*this); return __tmp; } constexpr month& operator+=(const months& __m1) noexcept; constexpr month& operator-=(const months& __m1) noexcept; explicit inline constexpr operator unsigned() const noexcept { return __m; } inline constexpr bool ok() const noexcept { return __m >= 1 && __m <= 12; } }; inline constexpr bool operator==(const month& __lhs, const month& __rhs) noexcept { return static_cast(__lhs) == static_cast(__rhs); } inline constexpr bool operator!=(const month& __lhs, const month& __rhs) noexcept { return !(__lhs == __rhs); } inline constexpr bool operator< (const month& __lhs, const month& __rhs) noexcept { return static_cast(__lhs) < static_cast(__rhs); } inline constexpr bool operator> (const month& __lhs, const month& __rhs) noexcept { return __rhs < __lhs; } inline constexpr bool operator<=(const month& __lhs, const month& __rhs) noexcept { return !(__rhs < __lhs); } inline constexpr bool operator>=(const month& __lhs, const month& __rhs) noexcept { return !(__lhs < __rhs); } inline constexpr month operator+ (const month& __lhs, const months& __rhs) noexcept { auto const __mu = static_cast(static_cast(__lhs)) + (__rhs.count() - 1); auto const __yr = (__mu >= 0 ? __mu : __mu - 11) / 12; return month{static_cast(__mu - __yr * 12 + 1)}; } inline constexpr month operator+ (const months& __lhs, const month& __rhs) noexcept { return __rhs + __lhs; } inline constexpr month operator- (const month& __lhs, const months& __rhs) noexcept { return __lhs + -__rhs; } inline constexpr months operator-(const month& __lhs, const month& __rhs) noexcept { auto const __dm = static_cast(__lhs) - static_cast(__rhs); return months(__dm <= 11 ? __dm : __dm + 12); } inline constexpr month& month::operator+=(const months& __dm) noexcept { *this = *this + __dm; return *this; } inline constexpr month& month::operator-=(const months& __dm) noexcept { *this = *this - __dm; return *this; } class year { private: short __y; public: year() = default; explicit inline constexpr year(int __val) noexcept : __y(static_cast(__val)) {} inline constexpr year& operator++() noexcept { ++__y; return *this; } inline constexpr year operator++(int) noexcept { year __tmp = *this; ++(*this); return __tmp; } inline constexpr year& operator--() noexcept { --__y; return *this; } inline constexpr year operator--(int) noexcept { year __tmp = *this; --(*this); return __tmp; } constexpr year& operator+=(const years& __dy) noexcept; constexpr year& operator-=(const years& __dy) noexcept; inline constexpr year operator+() const noexcept { return *this; } inline constexpr year operator-() const noexcept { return year{-__y}; } inline constexpr bool is_leap() const noexcept { return __y % 4 == 0 && (__y % 100 != 0 || __y % 400 == 0); } explicit inline constexpr operator int() const noexcept { return __y; } constexpr bool ok() const noexcept; static inline constexpr year min() noexcept { return year{-32767}; } static inline constexpr year max() noexcept { return year{ 32767}; } }; inline constexpr bool operator==(const year& __lhs, const year& __rhs) noexcept { return static_cast(__lhs) == static_cast(__rhs); } inline constexpr bool operator!=(const year& __lhs, const year& __rhs) noexcept { return !(__lhs == __rhs); } inline constexpr bool operator< (const year& __lhs, const year& __rhs) noexcept { return static_cast(__lhs) < static_cast(__rhs); } inline constexpr bool operator> (const year& __lhs, const year& __rhs) noexcept { return __rhs < __lhs; } inline constexpr bool operator<=(const year& __lhs, const year& __rhs) noexcept { return !(__rhs < __lhs); } inline constexpr bool operator>=(const year& __lhs, const year& __rhs) noexcept { return !(__lhs < __rhs); } inline constexpr year operator+ (const year& __lhs, const years& __rhs) noexcept { return year(static_cast(__lhs) + __rhs.count()); } inline constexpr year operator+ (const years& __lhs, const year& __rhs) noexcept { return __rhs + __lhs; } inline constexpr year operator- (const year& __lhs, const years& __rhs) noexcept { return __lhs + -__rhs; } inline constexpr years operator-(const year& __lhs, const year& __rhs) noexcept { return years{static_cast(__lhs) - static_cast(__rhs)}; } inline constexpr year& year::operator+=(const years& __dy) noexcept { *this = *this + __dy; return *this; } inline constexpr year& year::operator-=(const years& __dy) noexcept { *this = *this - __dy; return *this; } inline constexpr bool year::ok() const noexcept { return static_cast(min()) <= __y && __y <= static_cast(max()); } class weekday_indexed; class weekday_last; class weekday { private: unsigned char __wd; public: weekday() = default; inline explicit constexpr weekday(unsigned __val) noexcept : __wd(static_cast(__val == 7 ? 0 : __val)) {} inline constexpr weekday(const sys_days& __sysd) noexcept : __wd(__weekday_from_days(__sysd.time_since_epoch().count())) {} inline explicit constexpr weekday(const local_days& __locd) noexcept : __wd(__weekday_from_days(__locd.time_since_epoch().count())) {} inline constexpr weekday& operator++() noexcept { __wd = (__wd == 6 ? 0 : __wd + 1); return *this; } inline constexpr weekday operator++(int) noexcept { weekday __tmp = *this; ++(*this); return __tmp; } inline constexpr weekday& operator--() noexcept { __wd = (__wd == 0 ? 6 : __wd - 1); return *this; } inline constexpr weekday operator--(int) noexcept { weekday __tmp = *this; --(*this); return __tmp; } constexpr weekday& operator+=(const days& __dd) noexcept; constexpr weekday& operator-=(const days& __dd) noexcept; inline constexpr unsigned c_encoding() const noexcept { return __wd; } inline constexpr unsigned iso_encoding() const noexcept { return __wd == 0u ? 7 : __wd; } inline constexpr bool ok() const noexcept { return __wd <= 6; } constexpr weekday_indexed operator[](unsigned __index) const noexcept; constexpr weekday_last operator[](last_spec) const noexcept; static constexpr unsigned char __weekday_from_days(int __days) noexcept; }; // https://howardhinnant.github.io/date_algorithms.html#weekday_from_days inline constexpr unsigned char weekday::__weekday_from_days(int __days) noexcept { return static_cast( static_cast(__days >= -4 ? (__days+4) % 7 : (__days+5) % 7 + 6) ); } inline constexpr bool operator==(const weekday& __lhs, const weekday& __rhs) noexcept { return __lhs.c_encoding() == __rhs.c_encoding(); } inline constexpr bool operator!=(const weekday& __lhs, const weekday& __rhs) noexcept { return !(__lhs == __rhs); } inline constexpr bool operator< (const weekday& __lhs, const weekday& __rhs) noexcept { return __lhs.c_encoding() < __rhs.c_encoding(); } inline constexpr bool operator> (const weekday& __lhs, const weekday& __rhs) noexcept { return __rhs < __lhs; } inline constexpr bool operator<=(const weekday& __lhs, const weekday& __rhs) noexcept { return !(__rhs < __lhs);} inline constexpr bool operator>=(const weekday& __lhs, const weekday& __rhs) noexcept { return !(__lhs < __rhs); } constexpr weekday operator+(const weekday& __lhs, const days& __rhs) noexcept { auto const __mu = static_cast(__lhs.c_encoding()) + __rhs.count(); auto const __yr = (__mu >= 0 ? __mu : __mu - 6) / 7; return weekday{static_cast(__mu - __yr * 7)}; } constexpr weekday operator+(const days& __lhs, const weekday& __rhs) noexcept { return __rhs + __lhs; } constexpr weekday operator-(const weekday& __lhs, const days& __rhs) noexcept { return __lhs + -__rhs; } constexpr days operator-(const weekday& __lhs, const weekday& __rhs) noexcept { const int __wdu = __lhs.c_encoding() - __rhs.c_encoding(); const int __wk = (__wdu >= 0 ? __wdu : __wdu-6) / 7; return days{__wdu - __wk * 7}; } inline constexpr weekday& weekday::operator+=(const days& __dd) noexcept { *this = *this + __dd; return *this; } inline constexpr weekday& weekday::operator-=(const days& __dd) noexcept { *this = *this - __dd; return *this; } class weekday_indexed { private: _VSTD::chrono::weekday __wd; unsigned char __idx; public: weekday_indexed() = default; inline constexpr weekday_indexed(const _VSTD::chrono::weekday& __wdval, unsigned __idxval) noexcept : __wd{__wdval}, __idx(__idxval) {} inline constexpr _VSTD::chrono::weekday weekday() const noexcept { return __wd; } inline constexpr unsigned index() const noexcept { return __idx; } inline constexpr bool ok() const noexcept { return __wd.ok() && __idx >= 1 && __idx <= 5; } }; inline constexpr bool operator==(const weekday_indexed& __lhs, const weekday_indexed& __rhs) noexcept { return __lhs.weekday() == __rhs.weekday() && __lhs.index() == __rhs.index(); } inline constexpr bool operator!=(const weekday_indexed& __lhs, const weekday_indexed& __rhs) noexcept { return !(__lhs == __rhs); } class weekday_last { private: _VSTD::chrono::weekday __wd; public: explicit constexpr weekday_last(const _VSTD::chrono::weekday& __val) noexcept : __wd{__val} {} constexpr _VSTD::chrono::weekday weekday() const noexcept { return __wd; } constexpr bool ok() const noexcept { return __wd.ok(); } }; inline constexpr bool operator==(const weekday_last& __lhs, const weekday_last& __rhs) noexcept { return __lhs.weekday() == __rhs.weekday(); } inline constexpr bool operator!=(const weekday_last& __lhs, const weekday_last& __rhs) noexcept { return !(__lhs == __rhs); } inline constexpr weekday_indexed weekday::operator[](unsigned __index) const noexcept { return weekday_indexed{*this, __index}; } inline constexpr weekday_last weekday::operator[](last_spec) const noexcept { return weekday_last{*this}; } inline constexpr last_spec last{}; inline constexpr weekday Sunday{0}; inline constexpr weekday Monday{1}; inline constexpr weekday Tuesday{2}; inline constexpr weekday Wednesday{3}; inline constexpr weekday Thursday{4}; inline constexpr weekday Friday{5}; inline constexpr weekday Saturday{6}; inline constexpr month January{1}; inline constexpr month February{2}; inline constexpr month March{3}; inline constexpr month April{4}; inline constexpr month May{5}; inline constexpr month June{6}; inline constexpr month July{7}; inline constexpr month August{8}; inline constexpr month September{9}; inline constexpr month October{10}; inline constexpr month November{11}; inline constexpr month December{12}; class month_day { private: chrono::month __m; chrono::day __d; public: month_day() = default; constexpr month_day(const chrono::month& __mval, const chrono::day& __dval) noexcept : __m{__mval}, __d{__dval} {} inline constexpr chrono::month month() const noexcept { return __m; } inline constexpr chrono::day day() const noexcept { return __d; } constexpr bool ok() const noexcept; }; inline constexpr bool month_day::ok() const noexcept { if (!__m.ok()) return false; const unsigned __dval = static_cast(__d); if (__dval < 1 || __dval > 31) return false; if (__dval <= 29) return true; // Now we've got either 30 or 31 const unsigned __mval = static_cast(__m); if (__mval == 2) return false; if (__mval == 4 || __mval == 6 || __mval == 9 || __mval == 11) return __dval == 30; return true; } inline constexpr bool operator==(const month_day& __lhs, const month_day& __rhs) noexcept { return __lhs.month() == __rhs.month() && __lhs.day() == __rhs.day(); } inline constexpr bool operator!=(const month_day& __lhs, const month_day& __rhs) noexcept { return !(__lhs == __rhs); } inline constexpr month_day operator/(const month& __lhs, const day& __rhs) noexcept { return month_day{__lhs, __rhs}; } constexpr month_day operator/(const day& __lhs, const month& __rhs) noexcept { return __rhs / __lhs; } inline constexpr month_day operator/(const month& __lhs, int __rhs) noexcept { return __lhs / day(__rhs); } constexpr month_day operator/(int __lhs, const day& __rhs) noexcept { return month(__lhs) / __rhs; } constexpr month_day operator/(const day& __lhs, int __rhs) noexcept { return month(__rhs) / __lhs; } inline constexpr bool operator< (const month_day& __lhs, const month_day& __rhs) noexcept { return __lhs.month() != __rhs.month() ? __lhs.month() < __rhs.month() : __lhs.day() < __rhs.day(); } inline constexpr bool operator> (const month_day& __lhs, const month_day& __rhs) noexcept { return __rhs < __lhs; } inline constexpr bool operator<=(const month_day& __lhs, const month_day& __rhs) noexcept { return !(__rhs < __lhs);} inline constexpr bool operator>=(const month_day& __lhs, const month_day& __rhs) noexcept { return !(__lhs < __rhs); } class month_day_last { private: chrono::month __m; public: explicit constexpr month_day_last(const chrono::month& __val) noexcept : __m{__val} {} inline constexpr chrono::month month() const noexcept { return __m; } inline constexpr bool ok() const noexcept { return __m.ok(); } }; inline constexpr bool operator==(const month_day_last& __lhs, const month_day_last& __rhs) noexcept { return __lhs.month() == __rhs.month(); } inline constexpr bool operator!=(const month_day_last& __lhs, const month_day_last& __rhs) noexcept { return !(__lhs == __rhs); } inline constexpr bool operator< (const month_day_last& __lhs, const month_day_last& __rhs) noexcept { return __lhs.month() < __rhs.month(); } inline constexpr bool operator> (const month_day_last& __lhs, const month_day_last& __rhs) noexcept { return __rhs < __lhs; } inline constexpr bool operator<=(const month_day_last& __lhs, const month_day_last& __rhs) noexcept { return !(__rhs < __lhs);} inline constexpr bool operator>=(const month_day_last& __lhs, const month_day_last& __rhs) noexcept { return !(__lhs < __rhs); } inline constexpr month_day_last operator/(const month& __lhs, last_spec) noexcept { return month_day_last{__lhs}; } inline constexpr month_day_last operator/(last_spec, const month& __rhs) noexcept { return month_day_last{__rhs}; } inline constexpr month_day_last operator/(int __lhs, last_spec) noexcept { return month_day_last{month(__lhs)}; } inline constexpr month_day_last operator/(last_spec, int __rhs) noexcept { return month_day_last{month(__rhs)}; } class month_weekday { private: chrono::month __m; chrono::weekday_indexed __wdi; public: month_weekday() = default; constexpr month_weekday(const chrono::month& __mval, const chrono::weekday_indexed& __wdival) noexcept : __m{__mval}, __wdi{__wdival} {} inline constexpr chrono::month month() const noexcept { return __m; } inline constexpr chrono::weekday_indexed weekday_indexed() const noexcept { return __wdi; } inline constexpr bool ok() const noexcept { return __m.ok() && __wdi.ok(); } }; inline constexpr bool operator==(const month_weekday& __lhs, const month_weekday& __rhs) noexcept { return __lhs.month() == __rhs.month() && __lhs.weekday_indexed() == __rhs.weekday_indexed(); } inline constexpr bool operator!=(const month_weekday& __lhs, const month_weekday& __rhs) noexcept { return !(__lhs == __rhs); } inline constexpr month_weekday operator/(const month& __lhs, const weekday_indexed& __rhs) noexcept { return month_weekday{__lhs, __rhs}; } inline constexpr month_weekday operator/(int __lhs, const weekday_indexed& __rhs) noexcept { return month_weekday{month(__lhs), __rhs}; } inline constexpr month_weekday operator/(const weekday_indexed& __lhs, const month& __rhs) noexcept { return month_weekday{__rhs, __lhs}; } inline constexpr month_weekday operator/(const weekday_indexed& __lhs, int __rhs) noexcept { return month_weekday{month(__rhs), __lhs}; } class month_weekday_last { chrono::month __m; chrono::weekday_last __wdl; public: constexpr month_weekday_last(const chrono::month& __mval, const chrono::weekday_last& __wdlval) noexcept : __m{__mval}, __wdl{__wdlval} {} inline constexpr chrono::month month() const noexcept { return __m; } inline constexpr chrono::weekday_last weekday_last() const noexcept { return __wdl; } inline constexpr bool ok() const noexcept { return __m.ok() && __wdl.ok(); } }; inline constexpr bool operator==(const month_weekday_last& __lhs, const month_weekday_last& __rhs) noexcept { return __lhs.month() == __rhs.month() && __lhs.weekday_last() == __rhs.weekday_last(); } inline constexpr bool operator!=(const month_weekday_last& __lhs, const month_weekday_last& __rhs) noexcept { return !(__lhs == __rhs); } inline constexpr month_weekday_last operator/(const month& __lhs, const weekday_last& __rhs) noexcept { return month_weekday_last{__lhs, __rhs}; } inline constexpr month_weekday_last operator/(int __lhs, const weekday_last& __rhs) noexcept { return month_weekday_last{month(__lhs), __rhs}; } inline constexpr month_weekday_last operator/(const weekday_last& __lhs, const month& __rhs) noexcept { return month_weekday_last{__rhs, __lhs}; } inline constexpr month_weekday_last operator/(const weekday_last& __lhs, int __rhs) noexcept { return month_weekday_last{month(__rhs), __lhs}; } class year_month { chrono::year __y; chrono::month __m; public: year_month() = default; constexpr year_month(const chrono::year& __yval, const chrono::month& __mval) noexcept : __y{__yval}, __m{__mval} {} inline constexpr chrono::year year() const noexcept { return __y; } inline constexpr chrono::month month() const noexcept { return __m; } inline constexpr year_month& operator+=(const months& __dm) noexcept { this->__m += __dm; return *this; } inline constexpr year_month& operator-=(const months& __dm) noexcept { this->__m -= __dm; return *this; } inline constexpr year_month& operator+=(const years& __dy) noexcept { this->__y += __dy; return *this; } inline constexpr year_month& operator-=(const years& __dy) noexcept { this->__y -= __dy; return *this; } inline constexpr bool ok() const noexcept { return __y.ok() && __m.ok(); } }; inline constexpr year_month operator/(const year& __y, const month& __m) noexcept { return year_month{__y, __m}; } inline constexpr year_month operator/(const year& __y, int __m) noexcept { return year_month{__y, month(__m)}; } inline constexpr bool operator==(const year_month& __lhs, const year_month& __rhs) noexcept { return __lhs.year() == __rhs.year() && __lhs.month() == __rhs.month(); } inline constexpr bool operator!=(const year_month& __lhs, const year_month& __rhs) noexcept { return !(__lhs == __rhs); } inline constexpr bool operator< (const year_month& __lhs, const year_month& __rhs) noexcept { return __lhs.year() != __rhs.year() ? __lhs.year() < __rhs.year() : __lhs.month() < __rhs.month(); } inline constexpr bool operator> (const year_month& __lhs, const year_month& __rhs) noexcept { return __rhs < __lhs; } inline constexpr bool operator<=(const year_month& __lhs, const year_month& __rhs) noexcept { return !(__rhs < __lhs);} inline constexpr bool operator>=(const year_month& __lhs, const year_month& __rhs) noexcept { return !(__lhs < __rhs); } constexpr year_month operator+(const year_month& __lhs, const months& __rhs) noexcept { int __dmi = static_cast(static_cast(__lhs.month())) - 1 + __rhs.count(); const int __dy = (__dmi >= 0 ? __dmi : __dmi-11) / 12; __dmi = __dmi - __dy * 12 + 1; return (__lhs.year() + years(__dy)) / month(static_cast(__dmi)); } constexpr year_month operator+(const months& __lhs, const year_month& __rhs) noexcept { return __rhs + __lhs; } constexpr year_month operator+(const year_month& __lhs, const years& __rhs) noexcept { return (__lhs.year() + __rhs) / __lhs.month(); } constexpr year_month operator+(const years& __lhs, const year_month& __rhs) noexcept { return __rhs + __lhs; } constexpr months operator-(const year_month& __lhs, const year_month& __rhs) noexcept { return (__lhs.year() - __rhs.year()) + months(static_cast(__lhs.month()) - static_cast(__rhs.month())); } constexpr year_month operator-(const year_month& __lhs, const months& __rhs) noexcept { return __lhs + -__rhs; } constexpr year_month operator-(const year_month& __lhs, const years& __rhs) noexcept { return __lhs + -__rhs; } class year_month_day_last; class year_month_day { private: chrono::year __y; chrono::month __m; chrono::day __d; public: year_month_day() = default; inline constexpr year_month_day( const chrono::year& __yval, const chrono::month& __mval, const chrono::day& __dval) noexcept : __y{__yval}, __m{__mval}, __d{__dval} {} constexpr year_month_day(const year_month_day_last& __ymdl) noexcept; inline constexpr year_month_day(const sys_days& __sysd) noexcept : year_month_day(__from_days(__sysd.time_since_epoch())) {} inline explicit constexpr year_month_day(const local_days& __locd) noexcept : year_month_day(__from_days(__locd.time_since_epoch())) {} constexpr year_month_day& operator+=(const months& __dm) noexcept; constexpr year_month_day& operator-=(const months& __dm) noexcept; constexpr year_month_day& operator+=(const years& __dy) noexcept; constexpr year_month_day& operator-=(const years& __dy) noexcept; inline constexpr chrono::year year() const noexcept { return __y; } inline constexpr chrono::month month() const noexcept { return __m; } inline constexpr chrono::day day() const noexcept { return __d; } inline constexpr operator sys_days() const noexcept { return sys_days{__to_days()}; } inline explicit constexpr operator local_days() const noexcept { return local_days{__to_days()}; } constexpr bool ok() const noexcept; static constexpr year_month_day __from_days(days __d) noexcept; constexpr days __to_days() const noexcept; }; // https://howardhinnant.github.io/date_algorithms.html#civil_from_days inline constexpr year_month_day year_month_day::__from_days(days __d) noexcept { static_assert(std::numeric_limits::digits >= 18, ""); static_assert(std::numeric_limits::digits >= 20 , ""); const int __z = __d.count() + 719468; const int __era = (__z >= 0 ? __z : __z - 146096) / 146097; const unsigned __doe = static_cast(__z - __era * 146097); // [0, 146096] const unsigned __yoe = (__doe - __doe/1460 + __doe/36524 - __doe/146096) / 365; // [0, 399] const int __yr = static_cast(__yoe) + __era * 400; const unsigned __doy = __doe - (365 * __yoe + __yoe/4 - __yoe/100); // [0, 365] const unsigned __mp = (5 * __doy + 2)/153; // [0, 11] const unsigned __dy = __doy - (153 * __mp + 2)/5 + 1; // [1, 31] const unsigned __mth = __mp + (__mp < 10 ? 3 : -9); // [1, 12] return year_month_day{chrono::year{__yr + (__mth <= 2)}, chrono::month{__mth}, chrono::day{__dy}}; } // https://howardhinnant.github.io/date_algorithms.html#days_from_civil inline constexpr days year_month_day::__to_days() const noexcept { static_assert(std::numeric_limits::digits >= 18, ""); static_assert(std::numeric_limits::digits >= 20 , ""); const int __yr = static_cast(__y) - (__m <= February); const unsigned __mth = static_cast(__m); const unsigned __dy = static_cast(__d); const int __era = (__yr >= 0 ? __yr : __yr - 399) / 400; const unsigned __yoe = static_cast(__yr - __era * 400); // [0, 399] const unsigned __doy = (153 * (__mth + (__mth > 2 ? -3 : 9)) + 2) / 5 + __dy-1; // [0, 365] const unsigned __doe = __yoe * 365 + __yoe/4 - __yoe/100 + __doy; // [0, 146096] return days{__era * 146097 + static_cast(__doe) - 719468}; } inline constexpr bool operator==(const year_month_day& __lhs, const year_month_day& __rhs) noexcept { return __lhs.year() == __rhs.year() && __lhs.month() == __rhs.month() && __lhs.day() == __rhs.day(); } inline constexpr bool operator!=(const year_month_day& __lhs, const year_month_day& __rhs) noexcept { return !(__lhs == __rhs); } inline constexpr bool operator< (const year_month_day& __lhs, const year_month_day& __rhs) noexcept { if (__lhs.year() < __rhs.year()) return true; if (__lhs.year() > __rhs.year()) return false; if (__lhs.month() < __rhs.month()) return true; if (__lhs.month() > __rhs.month()) return false; return __lhs.day() < __rhs.day(); } inline constexpr bool operator> (const year_month_day& __lhs, const year_month_day& __rhs) noexcept { return __rhs < __lhs; } inline constexpr bool operator<=(const year_month_day& __lhs, const year_month_day& __rhs) noexcept { return !(__rhs < __lhs);} inline constexpr bool operator>=(const year_month_day& __lhs, const year_month_day& __rhs) noexcept { return !(__lhs < __rhs); } inline constexpr year_month_day operator/(const year_month& __lhs, const day& __rhs) noexcept { return year_month_day{__lhs.year(), __lhs.month(), __rhs}; } inline constexpr year_month_day operator/(const year_month& __lhs, int __rhs) noexcept { return __lhs / day(__rhs); } inline constexpr year_month_day operator/(const year& __lhs, const month_day& __rhs) noexcept { return __lhs / __rhs.month() / __rhs.day(); } inline constexpr year_month_day operator/(int __lhs, const month_day& __rhs) noexcept { return year(__lhs) / __rhs; } inline constexpr year_month_day operator/(const month_day& __lhs, const year& __rhs) noexcept { return __rhs / __lhs; } inline constexpr year_month_day operator/(const month_day& __lhs, int __rhs) noexcept { return year(__rhs) / __lhs; } inline constexpr year_month_day operator+(const year_month_day& __lhs, const months& __rhs) noexcept { return (__lhs.year()/__lhs.month() + __rhs)/__lhs.day(); } inline constexpr year_month_day operator+(const months& __lhs, const year_month_day& __rhs) noexcept { return __rhs + __lhs; } inline constexpr year_month_day operator-(const year_month_day& __lhs, const months& __rhs) noexcept { return __lhs + -__rhs; } inline constexpr year_month_day operator+(const year_month_day& __lhs, const years& __rhs) noexcept { return (__lhs.year() + __rhs) / __lhs.month() / __lhs.day(); } inline constexpr year_month_day operator+(const years& __lhs, const year_month_day& __rhs) noexcept { return __rhs + __lhs; } inline constexpr year_month_day operator-(const year_month_day& __lhs, const years& __rhs) noexcept { return __lhs + -__rhs; } inline constexpr year_month_day& year_month_day::operator+=(const months& __dm) noexcept { *this = *this + __dm; return *this; } inline constexpr year_month_day& year_month_day::operator-=(const months& __dm) noexcept { *this = *this - __dm; return *this; } inline constexpr year_month_day& year_month_day::operator+=(const years& __dy) noexcept { *this = *this + __dy; return *this; } inline constexpr year_month_day& year_month_day::operator-=(const years& __dy) noexcept { *this = *this - __dy; return *this; } class year_month_day_last { private: chrono::year __y; chrono::month_day_last __mdl; public: constexpr year_month_day_last(const year& __yval, const month_day_last& __mdlval) noexcept : __y{__yval}, __mdl{__mdlval} {} constexpr year_month_day_last& operator+=(const months& __m) noexcept; constexpr year_month_day_last& operator-=(const months& __m) noexcept; constexpr year_month_day_last& operator+=(const years& __y) noexcept; constexpr year_month_day_last& operator-=(const years& __y) noexcept; inline constexpr chrono::year year() const noexcept { return __y; } inline constexpr chrono::month month() const noexcept { return __mdl.month(); } inline constexpr chrono::month_day_last month_day_last() const noexcept { return __mdl; } constexpr chrono::day day() const noexcept; inline constexpr operator sys_days() const noexcept { return sys_days{year()/month()/day()}; } inline explicit constexpr operator local_days() const noexcept { return local_days{year()/month()/day()}; } inline constexpr bool ok() const noexcept { return __y.ok() && __mdl.ok(); } }; inline constexpr chrono::day year_month_day_last::day() const noexcept { constexpr chrono::day __d[] = { chrono::day(31), chrono::day(28), chrono::day(31), chrono::day(30), chrono::day(31), chrono::day(30), chrono::day(31), chrono::day(31), chrono::day(30), chrono::day(31), chrono::day(30), chrono::day(31) }; return month() != February || !__y.is_leap() ? __d[static_cast(month()) - 1] : chrono::day{29}; } inline constexpr bool operator==(const year_month_day_last& __lhs, const year_month_day_last& __rhs) noexcept { return __lhs.year() == __rhs.year() && __lhs.month_day_last() == __rhs.month_day_last(); } inline constexpr bool operator!=(const year_month_day_last& __lhs, const year_month_day_last& __rhs) noexcept { return !(__lhs == __rhs); } inline constexpr bool operator< (const year_month_day_last& __lhs, const year_month_day_last& __rhs) noexcept { if (__lhs.year() < __rhs.year()) return true; if (__lhs.year() > __rhs.year()) return false; return __lhs.month_day_last() < __rhs.month_day_last(); } inline constexpr bool operator> (const year_month_day_last& __lhs, const year_month_day_last& __rhs) noexcept { return __rhs < __lhs; } inline constexpr bool operator<=(const year_month_day_last& __lhs, const year_month_day_last& __rhs) noexcept { return !(__rhs < __lhs);} inline constexpr bool operator>=(const year_month_day_last& __lhs, const year_month_day_last& __rhs) noexcept { return !(__lhs < __rhs); } inline constexpr year_month_day_last operator/(const year_month& __lhs, last_spec) noexcept { return year_month_day_last{__lhs.year(), month_day_last{__lhs.month()}}; } inline constexpr year_month_day_last operator/(const year& __lhs, const month_day_last& __rhs) noexcept { return year_month_day_last{__lhs, __rhs}; } inline constexpr year_month_day_last operator/(int __lhs, const month_day_last& __rhs) noexcept { return year_month_day_last{year{__lhs}, __rhs}; } inline constexpr year_month_day_last operator/(const month_day_last& __lhs, const year& __rhs) noexcept { return __rhs / __lhs; } inline constexpr year_month_day_last operator/(const month_day_last& __lhs, int __rhs) noexcept { return year{__rhs} / __lhs; } inline constexpr year_month_day_last operator+(const year_month_day_last& __lhs, const months& __rhs) noexcept { return (__lhs.year() / __lhs.month() + __rhs) / last; } inline constexpr year_month_day_last operator+(const months& __lhs, const year_month_day_last& __rhs) noexcept { return __rhs + __lhs; } inline constexpr year_month_day_last operator-(const year_month_day_last& __lhs, const months& __rhs) noexcept { return __lhs + (-__rhs); } inline constexpr year_month_day_last operator+(const year_month_day_last& __lhs, const years& __rhs) noexcept { return year_month_day_last{__lhs.year() + __rhs, __lhs.month_day_last()}; } inline constexpr year_month_day_last operator+(const years& __lhs, const year_month_day_last& __rhs) noexcept { return __rhs + __lhs; } inline constexpr year_month_day_last operator-(const year_month_day_last& __lhs, const years& __rhs) noexcept { return __lhs + (-__rhs); } inline constexpr year_month_day_last& year_month_day_last::operator+=(const months& __dm) noexcept { *this = *this + __dm; return *this; } inline constexpr year_month_day_last& year_month_day_last::operator-=(const months& __dm) noexcept { *this = *this - __dm; return *this; } inline constexpr year_month_day_last& year_month_day_last::operator+=(const years& __dy) noexcept { *this = *this + __dy; return *this; } inline constexpr year_month_day_last& year_month_day_last::operator-=(const years& __dy) noexcept { *this = *this - __dy; return *this; } inline constexpr year_month_day::year_month_day(const year_month_day_last& __ymdl) noexcept : __y{__ymdl.year()}, __m{__ymdl.month()}, __d{__ymdl.day()} {} inline constexpr bool year_month_day::ok() const noexcept { if (!__y.ok() || !__m.ok()) return false; return chrono::day{1} <= __d && __d <= (__y / __m / last).day(); } class year_month_weekday { chrono::year __y; chrono::month __m; chrono::weekday_indexed __wdi; public: year_month_weekday() = default; constexpr year_month_weekday(const chrono::year& __yval, const chrono::month& __mval, const chrono::weekday_indexed& __wdival) noexcept : __y{__yval}, __m{__mval}, __wdi{__wdival} {} constexpr year_month_weekday(const sys_days& __sysd) noexcept : year_month_weekday(__from_days(__sysd.time_since_epoch())) {} inline explicit constexpr year_month_weekday(const local_days& __locd) noexcept : year_month_weekday(__from_days(__locd.time_since_epoch())) {} constexpr year_month_weekday& operator+=(const months& m) noexcept; constexpr year_month_weekday& operator-=(const months& m) noexcept; constexpr year_month_weekday& operator+=(const years& y) noexcept; constexpr year_month_weekday& operator-=(const years& y) noexcept; inline constexpr chrono::year year() const noexcept { return __y; } inline constexpr chrono::month month() const noexcept { return __m; } inline constexpr chrono::weekday weekday() const noexcept { return __wdi.weekday(); } inline constexpr unsigned index() const noexcept { return __wdi.index(); } inline constexpr chrono::weekday_indexed weekday_indexed() const noexcept { return __wdi; } inline constexpr operator sys_days() const noexcept { return sys_days{__to_days()}; } inline explicit constexpr operator local_days() const noexcept { return local_days{__to_days()}; } inline constexpr bool ok() const noexcept { if (!__y.ok() || !__m.ok() || !__wdi.ok()) return false; // TODO: make sure it's a valid date return true; } static constexpr year_month_weekday __from_days(days __d) noexcept; constexpr days __to_days() const noexcept; }; inline constexpr year_month_weekday year_month_weekday::__from_days(days __d) noexcept { const sys_days __sysd{__d}; const chrono::weekday __wd = chrono::weekday(__sysd); const year_month_day __ymd = year_month_day(__sysd); return year_month_weekday{__ymd.year(), __ymd.month(), __wd[(static_cast(__ymd.day())-1)/7+1]}; } inline constexpr days year_month_weekday::__to_days() const noexcept { const sys_days __sysd = sys_days(__y/__m/1); return (__sysd + (__wdi.weekday() - chrono::weekday(__sysd) + days{(__wdi.index()-1)*7})) .time_since_epoch(); } inline constexpr bool operator==(const year_month_weekday& __lhs, const year_month_weekday& __rhs) noexcept { return __lhs.year() == __rhs.year() && __lhs.month() == __rhs.month() && __lhs.weekday_indexed() == __rhs.weekday_indexed(); } inline constexpr bool operator!=(const year_month_weekday& __lhs, const year_month_weekday& __rhs) noexcept { return !(__lhs == __rhs); } inline constexpr year_month_weekday operator/(const year_month& __lhs, const weekday_indexed& __rhs) noexcept { return year_month_weekday{__lhs.year(), __lhs.month(), __rhs}; } inline constexpr year_month_weekday operator/(const year& __lhs, const month_weekday& __rhs) noexcept { return year_month_weekday{__lhs, __rhs.month(), __rhs.weekday_indexed()}; } inline constexpr year_month_weekday operator/(int __lhs, const month_weekday& __rhs) noexcept { return year(__lhs) / __rhs; } inline constexpr year_month_weekday operator/(const month_weekday& __lhs, const year& __rhs) noexcept { return __rhs / __lhs; } inline constexpr year_month_weekday operator/(const month_weekday& __lhs, int __rhs) noexcept { return year(__rhs) / __lhs; } inline constexpr year_month_weekday operator+(const year_month_weekday& __lhs, const months& __rhs) noexcept { return (__lhs.year() / __lhs.month() + __rhs) / __lhs.weekday_indexed(); } inline constexpr year_month_weekday operator+(const months& __lhs, const year_month_weekday& __rhs) noexcept { return __rhs + __lhs; } inline constexpr year_month_weekday operator-(const year_month_weekday& __lhs, const months& __rhs) noexcept { return __lhs + (-__rhs); } inline constexpr year_month_weekday operator+(const year_month_weekday& __lhs, const years& __rhs) noexcept { return year_month_weekday{__lhs.year() + __rhs, __lhs.month(), __lhs.weekday_indexed()}; } inline constexpr year_month_weekday operator+(const years& __lhs, const year_month_weekday& __rhs) noexcept { return __rhs + __lhs; } inline constexpr year_month_weekday operator-(const year_month_weekday& __lhs, const years& __rhs) noexcept { return __lhs + (-__rhs); } inline constexpr year_month_weekday& year_month_weekday::operator+=(const months& __dm) noexcept { *this = *this + __dm; return *this; } inline constexpr year_month_weekday& year_month_weekday::operator-=(const months& __dm) noexcept { *this = *this - __dm; return *this; } inline constexpr year_month_weekday& year_month_weekday::operator+=(const years& __dy) noexcept { *this = *this + __dy; return *this; } inline constexpr year_month_weekday& year_month_weekday::operator-=(const years& __dy) noexcept { *this = *this - __dy; return *this; } class year_month_weekday_last { private: chrono::year __y; chrono::month __m; chrono::weekday_last __wdl; public: constexpr year_month_weekday_last(const chrono::year& __yval, const chrono::month& __mval, const chrono::weekday_last& __wdlval) noexcept : __y{__yval}, __m{__mval}, __wdl{__wdlval} {} constexpr year_month_weekday_last& operator+=(const months& __dm) noexcept; constexpr year_month_weekday_last& operator-=(const months& __dm) noexcept; constexpr year_month_weekday_last& operator+=(const years& __dy) noexcept; constexpr year_month_weekday_last& operator-=(const years& __dy) noexcept; inline constexpr chrono::year year() const noexcept { return __y; } inline constexpr chrono::month month() const noexcept { return __m; } inline constexpr chrono::weekday weekday() const noexcept { return __wdl.weekday(); } inline constexpr chrono::weekday_last weekday_last() const noexcept { return __wdl; } inline constexpr operator sys_days() const noexcept { return sys_days{__to_days()}; } inline explicit constexpr operator local_days() const noexcept { return local_days{__to_days()}; } inline constexpr bool ok() const noexcept { return __y.ok() && __m.ok() && __wdl.ok(); } constexpr days __to_days() const noexcept; }; inline constexpr days year_month_weekday_last::__to_days() const noexcept { const sys_days __last = sys_days{__y/__m/last}; return (__last - (chrono::weekday{__last} - __wdl.weekday())).time_since_epoch(); } inline constexpr bool operator==(const year_month_weekday_last& __lhs, const year_month_weekday_last& __rhs) noexcept { return __lhs.year() == __rhs.year() && __lhs.month() == __rhs.month() && __lhs.weekday_last() == __rhs.weekday_last(); } inline constexpr bool operator!=(const year_month_weekday_last& __lhs, const year_month_weekday_last& __rhs) noexcept { return !(__lhs == __rhs); } inline constexpr year_month_weekday_last operator/(const year_month& __lhs, const weekday_last& __rhs) noexcept { return year_month_weekday_last{__lhs.year(), __lhs.month(), __rhs}; } inline constexpr year_month_weekday_last operator/(const year& __lhs, const month_weekday_last& __rhs) noexcept { return year_month_weekday_last{__lhs, __rhs.month(), __rhs.weekday_last()}; } inline constexpr year_month_weekday_last operator/(int __lhs, const month_weekday_last& __rhs) noexcept { return year(__lhs) / __rhs; } inline constexpr year_month_weekday_last operator/(const month_weekday_last& __lhs, const year& __rhs) noexcept { return __rhs / __lhs; } inline constexpr year_month_weekday_last operator/(const month_weekday_last& __lhs, int __rhs) noexcept { return year(__rhs) / __lhs; } inline constexpr year_month_weekday_last operator+(const year_month_weekday_last& __lhs, const months& __rhs) noexcept { return (__lhs.year() / __lhs.month() + __rhs) / __lhs.weekday_last(); } inline constexpr year_month_weekday_last operator+(const months& __lhs, const year_month_weekday_last& __rhs) noexcept { return __rhs + __lhs; } inline constexpr year_month_weekday_last operator-(const year_month_weekday_last& __lhs, const months& __rhs) noexcept { return __lhs + (-__rhs); } inline constexpr year_month_weekday_last operator+(const year_month_weekday_last& __lhs, const years& __rhs) noexcept { return year_month_weekday_last{__lhs.year() + __rhs, __lhs.month(), __lhs.weekday_last()}; } inline constexpr year_month_weekday_last operator+(const years& __lhs, const year_month_weekday_last& __rhs) noexcept { return __rhs + __lhs; } inline constexpr year_month_weekday_last operator-(const year_month_weekday_last& __lhs, const years& __rhs) noexcept { return __lhs + (-__rhs); } inline constexpr year_month_weekday_last& year_month_weekday_last::operator+=(const months& __dm) noexcept { *this = *this + __dm; return *this; } inline constexpr year_month_weekday_last& year_month_weekday_last::operator-=(const months& __dm) noexcept { *this = *this - __dm; return *this; } inline constexpr year_month_weekday_last& year_month_weekday_last::operator+=(const years& __dy) noexcept { *this = *this + __dy; return *this; } inline constexpr year_month_weekday_last& year_month_weekday_last::operator-=(const years& __dy) noexcept { *this = *this - __dy; return *this; } template class hh_mm_ss { private: static_assert(__is_duration<_Duration>::value, "template parameter of hh_mm_ss must be a std::chrono::duration"); using __CommonType = common_type_t<_Duration, chrono::seconds>; static constexpr uint64_t __pow10(unsigned __exp) { uint64_t __ret = 1; for (unsigned __i = 0; __i < __exp; ++__i) __ret *= 10U; return __ret; } static constexpr unsigned __width(uint64_t __n, uint64_t __d = 10, unsigned __w = 0) { if (__n >= 2 && __d != 0 && __w < 19) return 1 + __width(__n, __d % __n * 10, __w+1); return 0; } public: static unsigned constexpr fractional_width = __width(__CommonType::period::den) < 19 ? __width(__CommonType::period::den) : 6u; using precision = duration>; constexpr hh_mm_ss() noexcept : hh_mm_ss{_Duration::zero()} {} constexpr explicit hh_mm_ss(_Duration __d) noexcept : __is_neg(__d < _Duration(0)), __h(duration_cast (abs(__d))), __m(duration_cast(abs(__d) - hours())), __s(duration_cast(abs(__d) - hours() - minutes())), __f(duration_cast (abs(__d) - hours() - minutes() - seconds())) {} constexpr bool is_negative() const noexcept { return __is_neg; } constexpr chrono::hours hours() const noexcept { return __h; } constexpr chrono::minutes minutes() const noexcept { return __m; } constexpr chrono::seconds seconds() const noexcept { return __s; } constexpr precision subseconds() const noexcept { return __f; } constexpr precision to_duration() const noexcept { auto __dur = __h + __m + __s + __f; return __is_neg ? -__dur : __dur; } constexpr explicit operator precision() const noexcept { return to_duration(); } private: bool __is_neg; chrono::hours __h; chrono::minutes __m; chrono::seconds __s; precision __f; }; constexpr bool is_am(const hours& __h) noexcept { return __h >= hours( 0) && __h < hours(12); } constexpr bool is_pm(const hours& __h) noexcept { return __h >= hours(12) && __h < hours(24); } constexpr hours make12(const hours& __h) noexcept { if (__h == hours( 0)) return hours(12); else if (__h <= hours(12)) return __h; else return __h - hours(12); } constexpr hours make24(const hours& __h, bool __is_pm) noexcept { if (__is_pm) return __h == hours(12) ? __h : __h + hours(12); else return __h == hours(12) ? hours(0) : __h; } #endif // _LIBCPP_STD_VER > 17 } // chrono #if _LIBCPP_STD_VER > 11 // Suffixes for duration literals [time.duration.literals] inline namespace literals { inline namespace chrono_literals { constexpr chrono::hours operator""h(unsigned long long __h) { return chrono::hours(static_cast(__h)); } constexpr chrono::duration> operator""h(long double __h) { return chrono::duration>(__h); } constexpr chrono::minutes operator""min(unsigned long long __m) { return chrono::minutes(static_cast(__m)); } constexpr chrono::duration> operator""min(long double __m) { return chrono::duration> (__m); } constexpr chrono::seconds operator""s(unsigned long long __s) { return chrono::seconds(static_cast(__s)); } constexpr chrono::duration operator""s(long double __s) { return chrono::duration (__s); } constexpr chrono::milliseconds operator""ms(unsigned long long __ms) { return chrono::milliseconds(static_cast(__ms)); } constexpr chrono::duration operator""ms(long double __ms) { return chrono::duration(__ms); } constexpr chrono::microseconds operator""us(unsigned long long __us) { return chrono::microseconds(static_cast(__us)); } constexpr chrono::duration operator""us(long double __us) { return chrono::duration (__us); } constexpr chrono::nanoseconds operator""ns(unsigned long long __ns) { return chrono::nanoseconds(static_cast(__ns)); } constexpr chrono::duration operator""ns(long double __ns) { return chrono::duration (__ns); } #if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CXX20_CHRONO_LITERALS) constexpr chrono::day operator ""d(unsigned long long __d) noexcept { return chrono::day(static_cast(__d)); } constexpr chrono::year operator ""y(unsigned long long __y) noexcept { return chrono::year(static_cast(__y)); } #endif }} namespace chrono { // hoist the literals into namespace std::chrono using namespace literals::chrono_literals; } #endif _LIBCPP_END_NAMESPACE_STD #ifndef _LIBCPP_CXX03_LANG _LIBCPP_BEGIN_NAMESPACE_FILESYSTEM struct _FilesystemClock { #if !defined(_LIBCPP_HAS_NO_INT128) typedef __int128_t rep; typedef nano period; #else typedef long long rep; typedef nano period; #endif typedef chrono::duration duration; typedef chrono::time_point<_FilesystemClock> time_point; _LIBCPP_EXPORTED_FROM_ABI static _LIBCPP_CONSTEXPR_AFTER_CXX11 const bool is_steady = false; _LIBCPP_AVAILABILITY_FILESYSTEM _LIBCPP_FUNC_VIS static time_point now() noexcept; _LIBCPP_INLINE_VISIBILITY static time_t to_time_t(const time_point& __t) noexcept { typedef chrono::duration __secs; return time_t( chrono::duration_cast<__secs>(__t.time_since_epoch()).count()); } _LIBCPP_INLINE_VISIBILITY static time_point from_time_t(time_t __t) noexcept { typedef chrono::duration __secs; return time_point(__secs(__t)); } }; _LIBCPP_END_NAMESPACE_FILESYSTEM #endif // !_LIBCPP_CXX03_LANG _LIBCPP_POP_MACROS #endif // _LIBCPP_CHRONO