table of contents
std::chrono(3cxx) | std::chrono(3cxx) |
NAME¶
std::chrono - ISO C++ 2011 namespace for date and time utilities.
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¶
using high_resolution_clock = system_clock
Highest-resolution clock. using hours = duration< int64_t,
ratio< 3600 > >
hours using microseconds = duration< int64_t, micro
>
microseconds using milliseconds = duration< int64_t,
milli >
milliseconds using minutes = duration< int64_t,
ratio< 60 > >
minutes using nanoseconds = duration< int64_t, nano
>
nanoseconds using seconds = duration< int64_t >
seconds
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)
duration_cast 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)
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)
time_point_cast
Variables¶
template<typename _Rep > constexpr bool
treat_as_floating_point_v
Detailed Description¶
ISO C++ 2011 namespace for date and time utilities.
Author¶
Generated automatically by Doxygen for libstdc++ from the source code.
Wed Jul 28 2021 | libstdc++ |