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std::chrono(3cxx) std::chrono(3cxx)

NAME

std::chrono - ISO C++ 2011 entities sub-namespace for time and date.

SYNOPSIS

Classes


struct duration
duration struct duration_values
duration_values struct steady_clock
Monotonic clock. struct system_clock
System clock. struct time_point
time_point struct treat_as_floating_point
treat_as_floating_point

Typedefs


template<typename _Rep1 , typename _Rep2 , typename _CRep = typename common_type<_Rep1, _Rep2>::type> using __common_rep_t = typename enable_if< is_convertible< const _Rep2 &, _CRep >::value, _CRep >::type
template<typename _Tp > using __disable_if_is_duration = typename enable_if<!__is_duration< _Tp >::value, _Tp >::type
template<typename _Tp > using __enable_if_is_duration = typename enable_if< __is_duration< _Tp >::value, _Tp >::type
using high_resolution_clock = system_clock
Highest-resolution clock. typedef duration< int64_t, ratio< 3600 > > hours
hours typedef duration< int64_t, micro > microseconds
microseconds typedef duration< int64_t, milli > milliseconds
milliseconds typedef duration< int64_t, ratio< 60 > > minutes
minutes typedef duration< int64_t, nano > nanoseconds
nanoseconds typedef duration< int64_t > seconds
seconds

Functions


template<typename _ToDur , typename _Rep , typename _Period > constexpr __enable_if_is_duration< _ToDur > duration_cast (const duration< _Rep, _Period > &__d)
duration_cast template<typename _Rep1 , typename _Period1 , typename _Rep2 , typename _Period2 > constexpr bool operator!= (const duration< _Rep1, _Period1 > &__lhs, const duration< _Rep2, _Period2 > &__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 _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 _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, _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 _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 _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 _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 _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 _Period1 , typename _Rep2 , typename _Period2 > constexpr bool operator< (const duration< _Rep1, _Period1 > &__lhs, const duration< _Rep2, _Period2 > &__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 _Rep1 , typename _Period1 , typename _Rep2 , typename _Period2 > constexpr bool operator<= (const duration< _Rep1, _Period1 > &__lhs, const duration< _Rep2, _Period2 > &__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 _Rep1 , typename _Period1 , typename _Rep2 , typename _Period2 > constexpr bool operator== (const duration< _Rep1, _Period1 > &__lhs, const duration< _Rep2, _Period2 > &__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 _Rep1 , typename _Period1 , typename _Rep2 , typename _Period2 > constexpr bool operator> (const duration< _Rep1, _Period1 > &__lhs, const duration< _Rep2, _Period2 > &__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 _Rep1 , typename _Period1 , typename _Rep2 , typename _Period2 > constexpr bool operator>= (const duration< _Rep1, _Period1 > &__lhs, const duration< _Rep2, _Period2 > &__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 _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)
time_point_cast

Detailed Description

ISO C++ 2011 entities sub-namespace for time and date.

Typedef Documentation

using std::chrono::_V2::high_resolution_clock = typedef system_clock

Highest-resolution clock. This is the clock 'with the shortest tick period.' Alias to std::system_clock until higher-than-nanosecond definitions become feasible.

Definition at line 888 of file chrono.

typedef duration< int64_t , ratio<3600> > std::chrono::hours

hours

Definition at line 620 of file chrono.

typedef duration< int64_t , micro> std::chrono::microseconds

microseconds

Definition at line 608 of file chrono.

typedef duration< int64_t , milli> std::chrono::milliseconds

milliseconds

Definition at line 611 of file chrono.

typedef duration< int64_t , ratio< 60> > std::chrono::minutes

minutes

Definition at line 617 of file chrono.

typedef duration< int64_t , nano> std::chrono::nanoseconds

nanoseconds

Definition at line 605 of file chrono.

typedef duration< int64_t > std::chrono::seconds

seconds

Definition at line 614 of file chrono.

Function Documentation

template<typename _ToDur , typename _Rep , typename _Period > constexpr __enable_if_is_duration<_ToDur> std::chrono::duration_cast (const duration< _Rep, _Period > & __d) [constexpr]

duration_cast

Definition at line 191 of file chrono.

template<typename _ToDur , typename _Clock , typename _Dur > constexpr enable_if<__is_duration<_ToDur>::value, time_point<_Clock, _ToDur> >::type std::chrono::time_point_cast (const time_point< _Clock, _Dur > & __t) [constexpr]

time_point_cast

Definition at line 684 of file chrono.

Author

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Sat Aug 14 2021 libstdc++