Provided by: libstdc++-8-doc_8.4.0-3ubuntu2_all 
NAME
std::chrono - ISO C++ 2011 entities sub-namespace for time and date.
SYNOPSIS
Classes
struct steady_clock
Monotonic clock.
struct system_clock
System clock.
struct duration
duration
struct duration_values
duration_values
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.
Author
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