diff options
Diffstat (limited to 'include/chrono')
| -rw-r--r-- | include/chrono | 497 |
1 files changed, 495 insertions, 2 deletions
diff --git a/include/chrono b/include/chrono index c69e88ae4ded..f6a6f4b24343 100644 --- a/include/chrono +++ b/include/chrono @@ -26,7 +26,7 @@ duration_cast(const duration<Rep, Period>& fd); template <class Rep> struct treat_as_floating_point : is_floating_point<Rep> {}; -template <class Rep> constexpr bool treat_as_floating_point_v +template <class Rep> inline constexpr bool treat_as_floating_point_v = treat_as_floating_point<Rep>::value; // C++17 template <class Rep> @@ -147,6 +147,11 @@ template <class Clock, class Duration1, class Duration2> namespace chrono { + +template<class T> struct is_clock; // C++20 +template<class T> inline constexpr bool is_clock_v = is_clock<T>::value; // C++20 + + // duration arithmetic template <class Rep1, class Period1, class Rep2, class Period2> constexpr @@ -204,6 +209,8 @@ template <class ToDuration, class Rep, class Period> template <class ToDuration, class Rep, class Period> constexpr ToDuration round(const duration<Rep, Period>& d); // C++17 +// duration I/O is elsewhere + // time_point arithmetic (all constexpr in C++14) template <class Clock, class Duration1, class Rep2, class Period2> time_point<Clock, typename common_type<Duration1, duration<Rep2, Period2>>::type> @@ -251,6 +258,7 @@ template <class ToDuration, class Clock, class Duration> template <class Rep, class Period> constexpr duration<Rep, Period> abs(duration<Rep, Period> d); // C++17 + // Clocks class system_clock @@ -267,6 +275,28 @@ public: static time_point from_time_t(time_t __t) noexcept; }; +template <class Duration> + using sys_time = time_point<system_clock, Duration>; // C++20 +using sys_seconds = sys_time<seconds>; // C++20 +using sys_days = sys_time<days>; // C++20 + +class utc_clock; // C++20 + +template <class Duration> + using utc_time = time_point<utc_clock, Duration>; // C++20 +using utc_seconds = utc_time<seconds>; // C++20 + +class tai_clock; // C++20 + +template <class Duration> + using tai_time = time_point<tai_clock, Duration>; // C++20 +using tai_seconds = tai_time<seconds>; // C++20 + +class file_clock; // C++20 + +template<class Duration> + using file_time = time_point<file_clock, Duration>; // C++20 + class steady_clock { public: @@ -281,8 +311,466 @@ public: typedef steady_clock high_resolution_clock; +// 25.7.8, local time // C++20 +struct local_t {}; +template<class Duration> + using local_time = time_point<local_t, Duration>; +using local_seconds = local_time<seconds>; +using local_days = local_time<days>; + +// 25.7.9, time_point conversions template<class DestClock, class SourceClock> // C++20 +struct clock_time_conversion; + +template<class DestClock, class SourceClock, class Duration> + auto clock_cast(const time_point<SourceClock, Duration>& t); + +// 25.8.2, class last_spec // C++20 +struct last_spec; + +// 25.8.3, class day // C++20 + +class day; +constexpr bool operator==(const day& x, const day& y) noexcept; +constexpr bool operator!=(const day& x, const day& y) noexcept; +constexpr bool operator< (const day& x, const day& y) noexcept; +constexpr bool operator> (const day& x, const day& y) noexcept; +constexpr bool operator<=(const day& x, const day& y) noexcept; +constexpr bool operator>=(const day& x, const day& y) noexcept; +constexpr day operator+(const day& x, const days& y) noexcept; +constexpr day operator+(const days& x, const day& y) noexcept; +constexpr day operator-(const day& x, const days& y) noexcept; +constexpr days operator-(const day& x, const day& y) noexcept; + +// 25.8.4, class month // C++20 +class month; +constexpr bool operator==(const month& x, const month& y) noexcept; +constexpr bool operator!=(const month& x, const month& y) noexcept; +constexpr bool operator< (const month& x, const month& y) noexcept; +constexpr bool operator> (const month& x, const month& y) noexcept; +constexpr bool operator<=(const month& x, const month& y) noexcept; +constexpr bool operator>=(const month& x, const month& y) noexcept; +constexpr month operator+(const month& x, const months& y) noexcept; +constexpr month operator+(const months& x, const month& y) noexcept; +constexpr month operator-(const month& x, const months& y) noexcept; +constexpr months operator-(const month& x, const month& y) noexcept; + +// 25.8.5, class year // C++20 +class year; +constexpr bool operator==(const year& x, const year& y) noexcept; +constexpr bool operator!=(const year& x, const year& y) noexcept; +constexpr bool operator< (const year& x, const year& y) noexcept; +constexpr bool operator> (const year& x, const year& y) noexcept; +constexpr bool operator<=(const year& x, const year& y) noexcept; +constexpr bool operator>=(const year& x, const year& y) noexcept; +constexpr year operator+(const year& x, const years& y) noexcept; +constexpr year operator+(const years& x, const year& y) noexcept; +constexpr year operator-(const year& x, const years& y) noexcept; +constexpr years operator-(const year& x, const year& y) noexcept; + +// 25.8.6, class weekday // C++20 +class weekday; + +constexpr bool operator==(const weekday& x, const weekday& y) noexcept; +constexpr bool operator!=(const weekday& x, const weekday& y) noexcept; +constexpr weekday operator+(const weekday& x, const days& y) noexcept; +constexpr weekday operator+(const days& x, const weekday& y) noexcept; +constexpr weekday operator-(const weekday& x, const days& y) noexcept; +constexpr days operator-(const weekday& x, const weekday& y) noexcept; + +// 25.8.7, class weekday_indexed // C++20 + +class weekday_indexed; +constexpr bool operator==(const weekday_indexed& x, const weekday_indexed& y) noexcept; +constexpr bool operator!=(const weekday_indexed& x, const weekday_indexed& y) noexcept; + +// 25.8.8, class weekday_last // C++20 +class weekday_last; + +constexpr bool operator==(const weekday_last& x, const weekday_last& y) noexcept; +constexpr bool operator!=(const weekday_last& x, const weekday_last& y) noexcept; + +// 25.8.9, class month_day // C++20 +class month_day; + +constexpr bool operator==(const month_day& x, const month_day& y) noexcept; +constexpr bool operator!=(const month_day& x, const month_day& y) noexcept; +constexpr bool operator< (const month_day& x, const month_day& y) noexcept; +constexpr bool operator> (const month_day& x, const month_day& y) noexcept; +constexpr bool operator<=(const month_day& x, const month_day& y) noexcept; +constexpr bool operator>=(const month_day& x, const month_day& y) noexcept; + + +// 25.8.10, class month_day_last // C++20 +class month_day_last; + +constexpr bool operator==(const month_day_last& x, const month_day_last& y) noexcept; +constexpr bool operator!=(const month_day_last& x, const month_day_last& y) noexcept; +constexpr bool operator< (const month_day_last& x, const month_day_last& y) noexcept; +constexpr bool operator> (const month_day_last& x, const month_day_last& y) noexcept; +constexpr bool operator<=(const month_day_last& x, const month_day_last& y) noexcept; +constexpr bool operator>=(const month_day_last& x, const month_day_last& y) noexcept; + +// 25.8.11, class month_weekday // C++20 +class month_weekday; + +constexpr bool operator==(const month_weekday& x, const month_weekday& y) noexcept; +constexpr bool operator!=(const month_weekday& x, const month_weekday& y) noexcept; + +// 25.8.12, class month_weekday_last // C++20 +class month_weekday_last; + +constexpr bool operator==(const month_weekday_last& x, const month_weekday_last& y) noexcept; +constexpr bool operator!=(const month_weekday_last& x, const month_weekday_last& y) noexcept; + + +// 25.8.13, class year_month // C++20 +class year_month; + +constexpr bool operator==(const year_month& x, const year_month& y) noexcept; +constexpr bool operator!=(const year_month& x, const year_month& y) noexcept; +constexpr bool operator< (const year_month& x, const year_month& y) noexcept; +constexpr bool operator> (const year_month& x, const year_month& y) noexcept; +constexpr bool operator<=(const year_month& x, const year_month& y) noexcept; +constexpr bool operator>=(const year_month& x, const year_month& y) noexcept; + +constexpr year_month operator+(const year_month& ym, const months& dm) noexcept; +constexpr year_month operator+(const months& dm, const year_month& ym) noexcept; +constexpr year_month operator-(const year_month& ym, const months& dm) noexcept; +constexpr months operator-(const year_month& x, const year_month& y) noexcept; +constexpr year_month operator+(const year_month& ym, const years& dy) noexcept; +constexpr year_month operator+(const years& dy, const year_month& ym) noexcept; +constexpr year_month operator-(const year_month& ym, const years& dy) noexcept; + +// 25.8.14, class year_month_day class // C++20 +year_month_day; + +constexpr bool operator==(const year_month_day& x, const year_month_day& y) noexcept; +constexpr bool operator!=(const year_month_day& x, const year_month_day& y) noexcept; +constexpr bool operator< (const year_month_day& x, const year_month_day& y) noexcept; +constexpr bool operator> (const year_month_day& x, const year_month_day& y) noexcept; +constexpr bool operator<=(const year_month_day& x, const year_month_day& y) noexcept; +constexpr bool operator>=(const year_month_day& x, const year_month_day& y) noexcept; + +constexpr year_month_day operator+(const year_month_day& ymd, const months& dm) noexcept; +constexpr year_month_day operator+(const months& dm, const year_month_day& ymd) noexcept; +constexpr year_month_day operator+(const year_month_day& ymd, const years& dy) noexcept; +constexpr year_month_day operator+(const years& dy, const year_month_day& ymd) noexcept; +constexpr year_month_day operator-(const year_month_day& ymd, const months& dm) noexcept; +constexpr year_month_day operator-(const year_month_day& ymd, const years& dy) noexcept; + + +// 25.8.15, class year_month_day_last // C++20 +class year_month_day_last; + +constexpr bool operator==(const year_month_day_last& x, + const year_month_day_last& y) noexcept; +constexpr bool operator!=(const year_month_day_last& x, + const year_month_day_last& y) noexcept; +constexpr bool operator< (const year_month_day_last& x, + const year_month_day_last& y) noexcept; +constexpr bool operator> (const year_month_day_last& x, + const year_month_day_last& y) noexcept; +constexpr bool operator<=(const year_month_day_last& x, + const year_month_day_last& y) noexcept; +constexpr bool operator>=(const year_month_day_last& x, + const year_month_day_last& y) noexcept; + +constexpr year_month_day_last + operator+(const year_month_day_last& ymdl, const months& dm) noexcept; +constexpr year_month_day_last + operator+(const months& dm, const year_month_day_last& ymdl) noexcept; +constexpr year_month_day_last + operator+(const year_month_day_last& ymdl, const years& dy) noexcept; +constexpr year_month_day_last + operator+(const years& dy, const year_month_day_last& ymdl) noexcept; +constexpr year_month_day_last + operator-(const year_month_day_last& ymdl, const months& dm) noexcept; +constexpr year_month_day_last + operator-(const year_month_day_last& ymdl, const years& dy) noexcept; + +// 25.8.16, class year_month_weekday // C++20 +class year_month_weekday; + +constexpr bool operator==(const year_month_weekday& x, + const year_month_weekday& y) noexcept; +constexpr bool operator!=(const year_month_weekday& x, + const year_month_weekday& y) noexcept; + +constexpr year_month_weekday + operator+(const year_month_weekday& ymwd, const months& dm) noexcept; +constexpr year_month_weekday + operator+(const months& dm, const year_month_weekday& ymwd) noexcept; +constexpr year_month_weekday + operator+(const year_month_weekday& ymwd, const years& dy) noexcept; +constexpr year_month_weekday + operator+(const years& dy, const year_month_weekday& ymwd) noexcept; +constexpr year_month_weekday + operator-(const year_month_weekday& ymwd, const months& dm) noexcept; +constexpr year_month_weekday + operator-(const year_month_weekday& ymwd, const years& dy) noexcept; + +// 25.8.17, class year_month_weekday_last // C++20 +class year_month_weekday_last; + +constexpr bool operator==(const year_month_weekday_last& x, + const year_month_weekday_last& y) noexcept; +constexpr bool operator!=(const year_month_weekday_last& x, + const year_month_weekday_last& y) noexcept; +constexpr year_month_weekday_last + operator+(const year_month_weekday_last& ymwdl, const months& dm) noexcept; +constexpr year_month_weekday_last + operator+(const months& dm, const year_month_weekday_last& ymwdl) noexcept; +constexpr year_month_weekday_last + operator+(const year_month_weekday_last& ymwdl, const years& dy) noexcept; +constexpr year_month_weekday_last + operator+(const years& dy, const year_month_weekday_last& ymwdl) noexcept; +constexpr year_month_weekday_last + operator-(const year_month_weekday_last& ymwdl, const months& dm) noexcept; +constexpr year_month_weekday_last + operator-(const year_month_weekday_last& ymwdl, const years& dy) noexcept; + +// 25.8.18, civil calendar conventional syntax operators // C++20 +constexpr year_month + operator/(const year& y, const month& m) noexcept; +constexpr year_month + operator/(const year& y, int m) noexcept; +constexpr month_day + operator/(const month& m, const day& d) noexcept; +constexpr month_day + operator/(const month& m, int d) noexcept; +constexpr month_day + operator/(int m, const day& d) noexcept; +constexpr month_day + operator/(const day& d, const month& m) noexcept; +constexpr month_day + operator/(const day& d, int m) noexcept; +constexpr month_day_last + operator/(const month& m, last_spec) noexcept; +constexpr month_day_last + operator/(int m, last_spec) noexcept; +constexpr month_day_last + operator/(last_spec, const month& m) noexcept; +constexpr month_day_last + operator/(last_spec, int m) noexcept; +constexpr month_weekday + operator/(const month& m, const weekday_indexed& wdi) noexcept; +constexpr month_weekday + operator/(int m, const weekday_indexed& wdi) noexcept; +constexpr month_weekday + operator/(const weekday_indexed& wdi, const month& m) noexcept; +constexpr month_weekday + operator/(const weekday_indexed& wdi, int m) noexcept; +constexpr month_weekday_last + operator/(const month& m, const weekday_last& wdl) noexcept; +constexpr month_weekday_last + operator/(int m, const weekday_last& wdl) noexcept; +constexpr month_weekday_last + operator/(const weekday_last& wdl, const month& m) noexcept; +constexpr month_weekday_last + operator/(const weekday_last& wdl, int m) noexcept; +constexpr year_month_day + operator/(const year_month& ym, const day& d) noexcept; +constexpr year_month_day + operator/(const year_month& ym, int d) noexcept; +constexpr year_month_day + operator/(const year& y, const month_day& md) noexcept; +constexpr year_month_day + operator/(int y, const month_day& md) noexcept; +constexpr year_month_day + operator/(const month_day& md, const year& y) noexcept; +constexpr year_month_day + operator/(const month_day& md, int y) noexcept; +constexpr year_month_day_last + operator/(const year_month& ym, last_spec) noexcept; +constexpr year_month_day_last + operator/(const year& y, const month_day_last& mdl) noexcept; +constexpr year_month_day_last + operator/(int y, const month_day_last& mdl) noexcept; +constexpr year_month_day_last + operator/(const month_day_last& mdl, const year& y) noexcept; +constexpr year_month_day_last + operator/(const month_day_last& mdl, int y) noexcept; +constexpr year_month_weekday + operator/(const year_month& ym, const weekday_indexed& wdi) noexcept; +constexpr year_month_weekday + operator/(const year& y, const month_weekday& mwd) noexcept; +constexpr year_month_weekday + operator/(int y, const month_weekday& mwd) noexcept; +constexpr year_month_weekday + operator/(const month_weekday& mwd, const year& y) noexcept; +constexpr year_month_weekday + operator/(const month_weekday& mwd, int y) noexcept; +constexpr year_month_weekday_last + operator/(const year_month& ym, const weekday_last& wdl) noexcept; +constexpr year_month_weekday_last + operator/(const year& y, const month_weekday_last& mwdl) noexcept; +constexpr year_month_weekday_last + operator/(int y, const month_weekday_last& mwdl) noexcept; +constexpr year_month_weekday_last + operator/(const month_weekday_last& mwdl, const year& y) noexcept; +constexpr year_month_weekday_last + operator/(const month_weekday_last& mwdl, int y) noexcept; + +// 25.9, class template time_of_day // C++20 +template<class Duration> class time_of_day; + +template<> class time_of_day<hours>; +template<> class time_of_day<minutes>; +template<> class time_of_day<seconds>; +template<class Rep, class Period> class time_of_day<duration<Rep, Period>>; + +// 25.10.2, time zone database // C++20 +struct tzdb; +class tzdb_list; + +// 25.10.2.3, time zone database access // C++20 +const tzdb& get_tzdb(); +tzdb_list& get_tzdb_list(); +const time_zone* locate_zone(string_view tz_name); +const time_zone* current_zone(); + +// 25.10.2.4, remote time zone database support // C++20 +const tzdb& reload_tzdb(); +string remote_version(); + +// 25.10.3, exception classes // C++20 +class nonexistent_local_time; +class ambiguous_local_time; + +// 25.10.4, information classes // C++20 +struct sys_info; +struct local_info; + +// 25.10.5, class time_zone // C++20 +enum class choose {earliest, latest}; +class time_zone; +bool operator==(const time_zone& x, const time_zone& y) noexcept; +bool operator!=(const time_zone& x, const time_zone& y) noexcept; +bool operator<(const time_zone& x, const time_zone& y) noexcept; +bool operator>(const time_zone& x, const time_zone& y) noexcept; +bool operator<=(const time_zone& x, const time_zone& y) noexcept; +bool operator>=(const time_zone& x, const time_zone& y) noexcept; + +// 25.10.6, class template zoned_traits // C++20 +template<class T> struct zoned_traits; + +// 25.10.7, class template zoned_time // C++20 +template<class Duration, class TimeZonePtr = const time_zone*> class zoned_time; +using zoned_seconds = zoned_time<seconds>; + +template<class Duration1, class Duration2, class TimeZonePtr> + bool operator==(const zoned_time<Duration1, TimeZonePtr>& x, + const zoned_time<Duration2, TimeZonePtr>& y); +template<class Duration1, class Duration2, class TimeZonePtr> + bool operator!=(const zoned_time<Duration1, TimeZonePtr>& x, + const zoned_time<Duration2, TimeZonePtr>& y); + +// 25.10.8, leap second support // C++20 +class leap; + +bool operator==(const leap& x, const leap& y); +bool operator!=(const leap& x, const leap& y); +bool operator< (const leap& x, const leap& y); +bool operator> (const leap& x, const leap& y); +bool operator<=(const leap& x, const leap& y); +bool operator>=(const leap& x, const leap& y); +template<class Duration> + bool operator==(const leap& x, const sys_time<Duration>& y); +template<class Duration> + bool operator==(const sys_time<Duration>& x, const leap& y); +template<class Duration> + bool operator!=(const leap& x, const sys_time<Duration>& y); +template<class Duration> + bool operator!=(const sys_time<Duration>& x, const leap& y); +template<class Duration> + bool operator< (const leap& x, const sys_time<Duration>& y); +template<class Duration> + bool operator< (const sys_time<Duration>& x, const leap& y); +template<class Duration> + bool operator> (const leap& x, const sys_time<Duration>& y); +template<class Duration> + bool operator> (const sys_time<Duration>& x, const leap& y); +template<class Duration> + bool operator<=(const leap& x, const sys_time<Duration>& y); +template<class Duration> + bool operator<=(const sys_time<Duration>& x, const leap& y); +template<class Duration> + bool operator>=(const leap& x, const sys_time<Duration>& y); +template<class Duration> + bool operator>=(const sys_time<Duration>& x, const leap& y); + +// 25.10.9, class link // C++20 +class link; +bool operator==(const link& x, const link& y); +bool operator!=(const link& x, const link& y); +bool operator< (const link& x, const link& y); +bool operator> (const link& x, const link& y); +bool operator<=(const link& x, const link& y); +bool operator>=(const link& x, const link& y); + +// 25.11, formatting // C++20 +template<class charT, class Streamable> + basic_string<charT> + format(const charT* fmt, const Streamable& s); + +template<class charT, class Streamable> + basic_string<charT> + format(const locale& loc, const charT* fmt, const Streamable& s); + +template<class charT, class traits, class Alloc, class Streamable> + basic_string<charT, traits, Alloc> + format(const basic_string<charT, traits, Alloc>& fmt, const Streamable& s); + +template<class charT, class traits, class Alloc, class Streamable> + basic_string<charT, traits, Alloc> + format(const locale& loc, const basic_string<charT, traits, Alloc>& fmt, + const Streamable& s); + +// 25.12, parsing // C++20 +template<class charT, class traits, class Alloc, class Parsable> +unspecified + parse(const basic_string<charT, traits, Alloc>& format, Parsable& tp); + +template<class charT, class traits, class Alloc, class Parsable> +unspecified + parse(const basic_string<charT, traits, Alloc>& format, Parsable& tp, + basic_string<charT, traits, Alloc>& abbrev); + +template<class charT, class traits, class Alloc, class Parsable> +unspecified + parse(const basic_string<charT, traits, Alloc>& format, Parsable& tp, + minutes& offset); + +template<class charT, class traits, class Alloc, class Parsable> +unspecified + parse(const basic_string<charT, traits, Alloc>& format, Parsable& tp, + basic_string<charT, traits, Alloc>& abbrev, minutes& offset); + +inline constexpr last_spec last{}; // C++20 +inline constexpr chrono::weekday Sunday{0}; // C++20 +inline constexpr chrono::weekday Monday{1}; // C++20 +inline constexpr chrono::weekday Tuesday{2}; // C++20 +inline constexpr chrono::weekday Wednesday{3}; // C++20 +inline constexpr chrono::weekday Thursday{4}; // C++20 +inline constexpr chrono::weekday Friday{5}; // C++20 +inline constexpr chrono::weekday Saturday{6}; // C++20 + +inline constexpr chrono::month January{1}; // C++20 +inline constexpr chrono::month February{2}; // C++20 +inline constexpr chrono::month March{3}; // C++20 +inline constexpr chrono::month April{4}; // C++20 +inline constexpr chrono::month May{5}; // C++20 +inline constexpr chrono::month June{6}; // C++20 +inline constexpr chrono::month July{7}; // C++20 +inline constexpr chrono::month August{8}; // C++20 +inline constexpr chrono::month September{9}; // C++20 +inline constexpr chrono::month October{10}; // C++20 +inline constexpr chrono::month November{11}; // C++20 +inline constexpr chrono::month December{12}; // C++20 } // chrono +inline namespace literals { + inline namespace chrono_literals { constexpr chrono::hours operator ""h(unsigned long long); // C++14 constexpr chrono::duration<unspecified , ratio<3600,1>> operator ""h(long double); // C++14 constexpr chrono::minutes operator ""min(unsigned long long); // C++14 @@ -295,6 +783,10 @@ constexpr chrono::microseconds operator ""us(unsigned l constexpr chrono::duration<unspecified , micro> operator ""us(long double); // C++14 constexpr chrono::nanoseconds operator ""ns(unsigned long long); // C++14 constexpr chrono::duration<unspecified , nano> operator ""ns(long double); // C++14 +constexpr chrono::day operator ""d(unsigned long long d) noexcept; // C++20 +constexpr chrono::year operator ""y(unsigned long long y) noexcept; // C++20 +} // chrono_literals +} // literals } // std */ @@ -419,7 +911,8 @@ template <class _Rep> struct _LIBCPP_TEMPLATE_VIS treat_as_floating_point : is_floating_point<_Rep> {}; #if _LIBCPP_STD_VER > 14 && !defined(_LIBCPP_HAS_NO_VARIABLE_TEMPLATES) -template <class _Rep> _LIBCPP_CONSTEXPR bool treat_as_floating_point_v +template <class _Rep> +_LIBCPP_INLINE_VAR _LIBCPP_CONSTEXPR bool treat_as_floating_point_v = treat_as_floating_point<_Rep>::value; #endif |