NAME

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

SYNOPSIS

   Classes
       struct duration
           chrono::duration represents a distance between two points in time
       struct duration_values
           duration_values
       struct time_point
           chrono::time_point represents a point in time as measured by a clock
       struct treat_as_floating_point
           treat_as_floating_point

   Typedefs
       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

           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 _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)
               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 _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
       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.

                                            libstdc++                           std::chrono(3cxx)