std::chrono(3cxx)

NAME
std::chrono - ISO C++ 2011 namespace for date and time utilities.

SYNOPSIS

  Classes

class duration
chrono::duration represents a distance between two points in time
struct duration_values
duration_values
struct steady_clock
Monotonic clock.
struct system_clock
System clock.
class time_point
chrono::time_point represents a point in time as measured by a clock
struct treat_as_floating_point

  Typedefs

using days
days
using file_clock
template<typename _Duration> using file_time
using gps_seconds
template<typename _Duration> using gps_time
using high_resolution_clock
Highest-resolution clock.
using hours
hours
using local_days
using local_seconds
template<typename _Duration> using local_time
using microseconds
microseconds
using milliseconds
milliseconds
using minutes
minutes
using months
months
using nanoseconds
nanoseconds
using seconds
seconds
using sys_days
using sys_seconds
template<typename _Duration> using sys_time
using tai_seconds
template<typename _Duration> using tai_time
using utc_seconds
template<typename _Duration> using utc_time
using weeks
weeks
using years
years

  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_t< __is_duration< _ToDur >::value, time_point< _Clock, _ToDur > > time_point_cast (const time_point< _Clock, _Dur > &__t)

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
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
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)
The difference between two durations.
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)
The sum of two durations.
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 _Period, typename _Rep2> constexpr duration< __common_rep_t< _Rep1, _Rep2 >, _Period > operator* (const duration< _Rep1, _Period > &__d, const _Rep2 &__s)
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 _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)
Adjust a time point forwards by the given duration.
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)
Adjust a time point backwards by the given duration.
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)
The difference between two time points (as a duration).
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)
Adjust a time point forwards by the given duration.

Detailed Description

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

Author

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