libstdc++
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std::chrono Namespace Reference
Utilities » Time

Classes

class  duration
 
struct  duration_values
 
class  gps_clock
 
class  hh_mm_ss
 
struct  steady_clock
 
struct  system_clock
 
class  tai_clock
 
class  time_point
 
struct  treat_as_floating_point
 
class  tzdb_list
 
class  utc_clock
 

Typedefs

using days = duration< int64_t, ratio< 86400 > >
 
using file_clock = ::std::filesystem::__file_clock
 
template<typename _Duration >
using file_time = time_point< file_clock, _Duration >
 
using gps_seconds = gps_time< seconds >
 
template<typename _Duration >
using gps_time = time_point< gps_clock, _Duration >
 
using high_resolution_clock = system_clock
 
using hours = duration< int64_t, ratio< 3600 > >
 
using local_days = local_time< days >
 
using local_seconds = local_time< seconds >
 
template<typename _Duration >
using local_time = time_point< local_t, _Duration >
 
using microseconds = duration< int64_t, micro >
 
using milliseconds = duration< int64_t, milli >
 
using minutes = duration< int64_t, ratio< 60 > >
 
using months = duration< int64_t, ratio< 2629746 > >
 
using nanoseconds = duration< int64_t, nano >
 
using seconds = duration< int64_t >
 
using sys_days = sys_time< days >
 
using sys_seconds = sys_time< seconds >
 
template<typename _Duration >
using sys_time = time_point< system_clock, _Duration >
 
using tai_seconds = tai_time< seconds >
 
template<typename _Duration >
using tai_time = time_point< tai_clock, _Duration >
 
using utc_seconds = utc_time< seconds >
 
template<typename _Duration >
using utc_time = time_point< utc_clock, _Duration >
 
using weeks = duration< int64_t, ratio< 604800 > >
 
using years = duration< int64_t, ratio< 31556952 > >
 
using zoned_seconds = zoned_time< seconds >
 

Enumerations

enum class  choose { earliest , latest }
 

Functions

template<typename _Duration >
void __throw_bad_local_time (const local_time< _Duration > &__tp, const local_info &__i)
 
template<typename _Rep , typename _Period >
constexpr enable_if_t< numeric_limits< _Rep >::is_signed, duration< _Rep, _Period > > abs (duration< _Rep, _Period > __d)
 
template<typename _ToDur , typename _Rep , typename _Period >
constexpr __enable_if_is_duration< _ToDur > ceil (const duration< _Rep, _Period > &__d)
 
template<typename _ToDur , typename _Clock , typename _Dur >
constexpr enable_if_t< __is_duration_v< _ToDur >, time_point< _Clock, _ToDur > > ceil (const time_point< _Clock, _Dur > &__tp)
 
template<typename _DestClock , typename _SourceClock , typename _Duration >
requires __detail::__clock_convs<_DestClock, _SourceClock, _Duration> || __detail::__clock_convs_sys<_DestClock, _SourceClock, _Duration> || __detail::__clock_convs_utc<_DestClock, _SourceClock, _Duration> || __detail::__clock_convs_sys_utc<_DestClock, _SourceClock, _Duration> || __detail::__clock_convs_utc_sys<_DestClock, _SourceClock, _Duration>
auto clock_cast (const time_point< _SourceClock, _Duration > &__t)
 
const time_zone * current_zone ()
 
template<typename _ToDur , typename _Rep , typename _Period >
constexpr __enable_if_is_duration< _ToDur > duration_cast (const duration< _Rep, _Period > &__d)
 
template<typename _ToDur , typename _Rep , typename _Period >
constexpr __enable_if_is_duration< _ToDur > floor (const duration< _Rep, _Period > &__d)
 
template<typename _ToDur , typename _Clock , typename _Dur >
constexpr enable_if_t< __is_duration_v< _ToDur >, time_point< _Clock, _ToDur > > floor (const time_point< _Clock, _Dur > &__tp)
 
template<typename _Duration >
leap_second_info get_leap_second_info (const utc_time< _Duration > &__ut)
 
const tzdb & get_tzdb ()
 
tzdb_list & get_tzdb_list ()
 
constexpr bool is_am (const hours &__h) noexcept
 
constexpr bool is_pm (const hours &__h) noexcept
 
template<typename _Duration >
__detail::__local_time_fmt< _Duration > local_time_format (local_time< _Duration > __time, const string *__abbrev=nullptr, const seconds *__offset_sec=nullptr)
 
const time_zone * locate_zone (string_view __tz_name)
 
constexpr hours make12 (const hours &__h) noexcept
 
constexpr hours make24 (const hours &__h, bool __is_pm) noexcept
 
template<typename _CharT , typename _Traits >
basic_ostream< _CharT, _Traits > & operator<< (basic_ostream< _CharT, _Traits > &__os, const day &__d)
 
template<typename _CharT , typename _Traits , typename _Duration >
basic_ostream< _CharT, _Traits > & operator<< (basic_ostream< _CharT, _Traits > &__os, const file_time< _Duration > &__t)
 
template<typename _CharT , typename _Traits , typename _Duration >
basic_ostream< _CharT, _Traits > & operator<< (basic_ostream< _CharT, _Traits > &__os, const gps_time< _Duration > &__t)
 
template<typename _CharT , typename _Traits , typename _Duration >
basic_ostream< _CharT, _Traits > & operator<< (basic_ostream< _CharT, _Traits > &__os, const hh_mm_ss< _Duration > &__hms)
 
template<typename _CharT , typename _Traits >
basic_ostream< _CharT, _Traits > & operator<< (basic_ostream< _CharT, _Traits > &__os, const local_info &__li)
 
template<typename _CharT , typename _Traits , typename _Duration >
basic_ostream< _CharT, _Traits > & operator<< (basic_ostream< _CharT, _Traits > &__os, const local_time< _Duration > &__lt)
 
template<typename _CharT , typename _Traits >
basic_ostream< _CharT, _Traits > & operator<< (basic_ostream< _CharT, _Traits > &__os, const month &__m)
 
template<typename _CharT , typename _Traits >
basic_ostream< _CharT, _Traits > & operator<< (basic_ostream< _CharT, _Traits > &__os, const month_day &__md)
 
template<typename _CharT , typename _Traits >
basic_ostream< _CharT, _Traits > & operator<< (basic_ostream< _CharT, _Traits > &__os, const month_day_last &__mdl)
 
template<typename _CharT , typename _Traits >
basic_ostream< _CharT, _Traits > & operator<< (basic_ostream< _CharT, _Traits > &__os, const month_weekday &__mwd)
 
template<typename _CharT , typename _Traits >
basic_ostream< _CharT, _Traits > & operator<< (basic_ostream< _CharT, _Traits > &__os, const month_weekday_last &__mwdl)
 
template<typename _CharT , typename _Traits >
basic_ostream< _CharT, _Traits > & operator<< (basic_ostream< _CharT, _Traits > &__os, const sys_days &__dp)
 
template<typename _CharT , typename _Traits >
basic_ostream< _CharT, _Traits > & operator<< (basic_ostream< _CharT, _Traits > &__os, const sys_info &__i)
 
template<typename _CharT , typename _Traits , typename _Duration >
requires (!treat_as_floating_point_v<typename _Duration::rep>) && ratio_less_v<typename _Duration::period, days::period>
basic_ostream< _CharT, _Traits > & operator<< (basic_ostream< _CharT, _Traits > &__os, const sys_time< _Duration > &__tp)
 
template<typename _CharT , typename _Traits , typename _Duration >
basic_ostream< _CharT, _Traits > & operator<< (basic_ostream< _CharT, _Traits > &__os, const tai_time< _Duration > &__t)
 
template<typename _CharT , typename _Traits , typename _Duration >
basic_ostream< _CharT, _Traits > & operator<< (basic_ostream< _CharT, _Traits > &__os, const utc_time< _Duration > &__t)
 
template<typename _CharT , typename _Traits >
basic_ostream< _CharT, _Traits > & operator<< (basic_ostream< _CharT, _Traits > &__os, const weekday &__wd)
 
template<typename _CharT , typename _Traits >
basic_ostream< _CharT, _Traits > & operator<< (basic_ostream< _CharT, _Traits > &__os, const weekday_indexed &__wdi)
 
template<typename _CharT , typename _Traits >
basic_ostream< _CharT, _Traits > & operator<< (basic_ostream< _CharT, _Traits > &__os, const weekday_last &__wdl)
 
template<typename _CharT , typename _Traits >
basic_ostream< _CharT, _Traits > & operator<< (basic_ostream< _CharT, _Traits > &__os, const year &__y)
 
template<typename _CharT , typename _Traits >
basic_ostream< _CharT, _Traits > & operator<< (basic_ostream< _CharT, _Traits > &__os, const year_month &__ym)
 
template<typename _CharT , typename _Traits >
basic_ostream< _CharT, _Traits > & operator<< (basic_ostream< _CharT, _Traits > &__os, const year_month_day &__ymd)
 
template<typename _CharT , typename _Traits >
basic_ostream< _CharT, _Traits > & operator<< (basic_ostream< _CharT, _Traits > &__os, const year_month_day_last &__ymdl)
 
template<typename _CharT , typename _Traits >
basic_ostream< _CharT, _Traits > & operator<< (basic_ostream< _CharT, _Traits > &__os, const year_month_weekday &__ymwd)
 
template<typename _CharT , typename _Traits >
basic_ostream< _CharT, _Traits > & operator<< (basic_ostream< _CharT, _Traits > &__os, const year_month_weekday_last &__ymwdl)
 
template<typename _CharT , typename _Traits , typename _Duration , typename _TimeZonePtr >
basic_ostream< _CharT, _Traits > & operator<< (basic_ostream< _CharT, _Traits > &__os, const zoned_time< _Duration, _TimeZonePtr > &__t)
 
template<typename _CharT , typename _Traits , typename _Rep , typename _Period >
basic_ostream< _CharT, _Traits > & operator<< (std::basic_ostream< _CharT, _Traits > &__os, const duration< _Rep, _Period > &__d)
 
template<typename _Dur1 , typename _TZPtr1 , typename _Dur2 , typename _TZPtr2 >
bool operator== (const zoned_time< _Dur1, _TZPtr1 > &__x, const zoned_time< _Dur2, _TZPtr2 > &__y)
 
const tzdb & reload_tzdb ()
 
string remote_version ()
 
template<typename _ToDur , typename _Rep , typename _Period >
constexpr enable_if_t< __and_< __is_duration< _ToDur >, __not_< treat_as_floating_point< typename _ToDur::rep > > >::value, _ToDur > round (const duration< _Rep, _Period > &__d)
 
template<typename _ToDur , typename _Clock , typename _Dur >
constexpr enable_if_t< __is_duration_v< _ToDur > &&!treat_as_floating_point_v< typename _ToDur::rep >, time_point< _Clock, _ToDur > > round (const time_point< _Clock, _Dur > &__tp)
 
template<typename _ToDur , typename _Clock , typename _Dur >
constexpr __enable_if_t< __is_duration< _ToDur >::value, time_point< _Clock, _ToDur > > time_point_cast (const time_point< _Clock, _Dur > &__t)
 
 zoned_time () -> zoned_time< seconds >
 
template<typename _TimeZonePtrOrName >
 zoned_time (_TimeZonePtrOrName &&) -> zoned_time< seconds, __time_zone_representation< _TimeZonePtrOrName > >
 
template<typename _TimeZonePtrOrName , typename _Duration >
 zoned_time (_TimeZonePtrOrName &&, local_time< _Duration >, choose=choose::earliest) -> zoned_time< common_type_t< _Duration, seconds >, __time_zone_representation< _TimeZonePtrOrName > >
 
template<typename _TimeZonePtrOrName , typename _Duration >
 zoned_time (_TimeZonePtrOrName &&, sys_time< _Duration >) -> zoned_time< common_type_t< _Duration, seconds >, __time_zone_representation< _TimeZonePtrOrName > >
 
template<typename _Duration , typename _TimeZonePtrOrName , typename _TimeZonePtr2 >
 zoned_time (_TimeZonePtrOrName &&, zoned_time< _Duration, _TimeZonePtr2 >, choose=choose::earliest) -> zoned_time< common_type_t< _Duration, seconds >, __time_zone_representation< _TimeZonePtrOrName > >
 
template<typename _Duration >
 zoned_time (sys_time< _Duration >) -> zoned_time< common_type_t< _Duration, seconds > >
 
template<typename _Rep1 , typename _Period1 , typename _Rep2 , typename _Period2 >
constexpr common_type< duration< _Rep1, _Period1 >, duration< _Rep2, _Period2 > >::type operator- (const duration< _Rep1, _Period1 > &__lhs, const duration< _Rep2, _Period2 > &__rhs)
 
template<typename _Rep1 , typename _Rep2 , typename _Period >
constexpr duration< __common_rep_t< _Rep2, _Rep1 >, _Period > operator* (const _Rep1 &__s, const duration< _Rep2, _Period > &__d)
 
template<typename _Rep1 , typename _Period , typename _Rep2 >
constexpr duration< __common_rep_t< _Rep1, __disable_if_is_duration< _Rep2 > >, _Period > operator/ (const duration< _Rep1, _Period > &__d, const _Rep2 &__s)
 
template<typename _Rep1 , typename _Period1 , typename _Rep2 , typename _Period2 >
constexpr common_type< _Rep1, _Rep2 >::type operator/ (const duration< _Rep1, _Period1 > &__lhs, const duration< _Rep2, _Period2 > &__rhs)
 
template<typename _Rep1 , typename _Period , typename _Rep2 >
constexpr duration< __common_rep_t< _Rep1, __disable_if_is_duration< _Rep2 > >, _Period > operator% (const duration< _Rep1, _Period > &__d, const _Rep2 &__s)
 
template<typename _Rep1 , typename _Period1 , typename _Rep2 , typename _Period2 >
constexpr common_type< duration< _Rep1, _Period1 >, duration< _Rep2, _Period2 > >::type operator% (const duration< _Rep1, _Period1 > &__lhs, const duration< _Rep2, _Period2 > &__rhs)
 
template<typename _Rep1 , typename _Period1 , typename _Rep2 , typename _Period2 >
constexpr bool operator< (const duration< _Rep1, _Period1 > &__lhs, const duration< _Rep2, _Period2 > &__rhs)
 
template<typename _Rep1 , typename _Period1 , typename _Rep2 , typename _Period2 >
constexpr bool operator!= (const duration< _Rep1, _Period1 > &__lhs, const duration< _Rep2, _Period2 > &__rhs)
 
template<typename _Rep1 , typename _Period1 , typename _Rep2 , typename _Period2 >
constexpr bool operator<= (const duration< _Rep1, _Period1 > &__lhs, const duration< _Rep2, _Period2 > &__rhs)
 
template<typename _Rep1 , typename _Period1 , typename _Rep2 , typename _Period2 >
constexpr bool operator> (const duration< _Rep1, _Period1 > &__lhs, const duration< _Rep2, _Period2 > &__rhs)
 
template<typename _Rep1 , typename _Period1 , typename _Rep2 , typename _Period2 >
constexpr bool operator>= (const duration< _Rep1, _Period1 > &__lhs, const duration< _Rep2, _Period2 > &__rhs)
 
template<typename _Rep1 , typename _Period1 , typename _Clock , typename _Dur2 >
constexpr time_point< _Clock, typename common_type< duration< _Rep1, _Period1 >, _Dur2 >::type > operator+ (const duration< _Rep1, _Period1 > &__lhs, const time_point< _Clock, _Dur2 > &__rhs)
 
template<typename _Clock , typename _Dur1 , typename _Rep2 , typename _Period2 >
constexpr time_point< _Clock, typename common_type< _Dur1, duration< _Rep2, _Period2 > >::type > operator- (const time_point< _Clock, _Dur1 > &__lhs, const duration< _Rep2, _Period2 > &__rhs)
 
template<typename _Clock , typename _Dur1 , typename _Dur2 >
constexpr common_type< _Dur1, _Dur2 >::type operator- (const time_point< _Clock, _Dur1 > &__lhs, const time_point< _Clock, _Dur2 > &__rhs)
 
template<typename _Clock , typename _Dur1 , typename _Dur2 >
constexpr bool operator!= (const time_point< _Clock, _Dur1 > &__lhs, const time_point< _Clock, _Dur2 > &__rhs)
 
template<typename _Clock , typename _Dur1 , typename _Dur2 >
constexpr bool operator< (const time_point< _Clock, _Dur1 > &__lhs, const time_point< _Clock, _Dur2 > &__rhs)
 
template<typename _Clock , typename _Dur1 , typename _Dur2 >
constexpr bool operator<= (const time_point< _Clock, _Dur1 > &__lhs, const time_point< _Clock, _Dur2 > &__rhs)
 
template<typename _Clock , typename _Dur1 , typename _Dur2 >
constexpr bool operator> (const time_point< _Clock, _Dur1 > &__lhs, const time_point< _Clock, _Dur2 > &__rhs)
 
template<typename _Clock , typename _Dur1 , typename _Dur2 >
constexpr bool operator>= (const time_point< _Clock, _Dur1 > &__lhs, const time_point< _Clock, _Dur2 > &__rhs)
 

Variables

template<typename _Tp , typename _Clock >
constexpr bool __is_time_point_for_v
 
template<typename _Clock , typename _Duration >
constexpr bool __is_time_point_for_v< time_point< _Clock, _Duration >, _Clock >
 
constexpr month April
 
constexpr month August
 
constexpr month December
 
constexpr month February
 
constexpr weekday Friday
 
template<typename _Tp >
constexpr bool is_clock_v
 
template<typename _Tp >
constexpr bool is_clock_v< _Tp >
 
template<>
constexpr bool is_clock_v< file_clock >
 
template<>
constexpr bool is_clock_v< gps_clock >
 
template<>
constexpr bool is_clock_v< steady_clock >
 
template<>
constexpr bool is_clock_v< system_clock >
 
template<>
constexpr bool is_clock_v< tai_clock >
 
template<>
constexpr bool is_clock_v< utc_clock >
 
constexpr month January
 
constexpr month July
 
constexpr month June
 
constexpr last_spec last
 
constexpr month March
 
constexpr month May
 
constexpr weekday Monday
 
constexpr month November
 
constexpr month October
 
constexpr weekday Saturday
 
constexpr month September
 
constexpr weekday Sunday
 
constexpr weekday Thursday
 
template<typename _Rep >
constexpr bool treat_as_floating_point_v
 
template<>
constexpr bool treat_as_floating_point_v< double >
 
template<>
constexpr bool treat_as_floating_point_v< float >
 
template<>
constexpr bool treat_as_floating_point_v< int >
 
template<>
constexpr bool treat_as_floating_point_v< long >
 
template<>
constexpr bool treat_as_floating_point_v< long double >
 
template<>
constexpr bool treat_as_floating_point_v< long long >
 
constexpr weekday Tuesday
 
constexpr weekday Wednesday
 

Detailed Description

ISO C++ 2011 namespace for date and time utilities.