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)