std::chrono Namespace Reference

Classes
struct	duration
struct	duration_values
struct	steady_clock
struct	system_clock
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	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 > >

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.