libstdc++
std::chrono Namespace Reference

Classes

struct  duration
 
struct  duration_values
 
struct  time_point
 
struct  treat_as_floating_point
 

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 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 >>
 

Functions

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< _ToDur >
::value, time_point< _Clock,
_ToDur > > 
ceil (const time_point< _Clock, _Dur > &__tp)
 
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< _ToDur >
::value, time_point< _Clock,
_ToDur > > 
floor (const time_point< _Clock, _Dur > &__tp)
 
constexpr bool is_am (const hours &__h) noexcept
 
constexpr bool is_pm (const hours &__h) noexcept
 
constexpr hours make12 (const hours &__h) noexcept
 
constexpr hours make24 (const hours &__h, bool __is_pm) noexcept
 
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 _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< __and_
< __is_duration< _ToDur >
, __not_
< treat_as_floating_point
< typename _ToDur::rep >
> >::value, time_point
< _Clock, _ToDur > > 
round (const time_point< _Clock, _Dur > &__tp)
 
template<typename _ToDur , typename _Clock , typename _Dur >
constexpr enable_if
< __is_duration< _ToDur >
::value, time_point< _Clock,
_ToDur > >::type 
time_point_cast (const time_point< _Clock, _Dur > &__t)
 
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

constexpr month April
 
constexpr month August
 
constexpr month December
 
constexpr month February
 
constexpr weekday Friday
 
template<typename _Tp >
constexpr bool is_clock_v
 
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
 
template<typename _Tp >
requires requires
 
constexpr weekday Saturday
 
constexpr month September
 
constexpr weekday Sunday
 
constexpr weekday Thursday
 
template<typename _Rep >
constexpr bool treat_as_floating_point_v
 
constexpr weekday Tuesday
 
constexpr weekday Wednesday
 

Detailed Description

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