.TH "std::chrono" 3cxx "Tue Jul 2 2019" "libstdc++" \" -*- nroff -*-
.ad l
.nh
.SH NAME
std::chrono \- ISO C++ 2011 entities sub-namespace for time and date\&.  

.SH SYNOPSIS
.br
.PP
.SS "Classes"

.in +1c
.ti -1c
.RI "struct \fBduration\fP"
.br
.RI "duration "
.ti -1c
.RI "struct \fBduration_values\fP"
.br
.RI "duration_values "
.ti -1c
.RI "struct \fBtime_point\fP"
.br
.RI "time_point "
.ti -1c
.RI "struct \fBtreat_as_floating_point\fP"
.br
.RI "treat_as_floating_point "
.in -1c
.SS "Typedefs"

.in +1c
.ti -1c
.RI "template<typename _Rep1 , typename _Rep2 , typename _CRep  = typename common_type<_Rep1, _Rep2>::type> using \fB__common_rep_t\fP = typename \fBenable_if\fP< \fBis_convertible\fP< const _Rep2 &, _CRep >::value, _CRep >::type"
.br
.ti -1c
.RI "template<typename _Tp > using \fB__disable_if_is_duration\fP = typename \fBenable_if\fP<!__is_duration< _Tp >::value, _Tp >::type"
.br
.ti -1c
.RI "template<typename _Tp > using \fB__enable_if_is_duration\fP = typename \fBenable_if\fP< __is_duration< _Tp >::value, _Tp >::type"
.br
.ti -1c
.RI "typedef \fBduration\fP< int64_t, \fBratio\fP< 3600 > > \fBhours\fP"
.br
.RI "hours "
.ti -1c
.RI "typedef \fBduration\fP< int64_t, micro > \fBmicroseconds\fP"
.br
.RI "microseconds "
.ti -1c
.RI "typedef \fBduration\fP< int64_t, milli > \fBmilliseconds\fP"
.br
.RI "milliseconds "
.ti -1c
.RI "typedef \fBduration\fP< int64_t, \fBratio\fP< 60 > > \fBminutes\fP"
.br
.RI "minutes "
.ti -1c
.RI "typedef \fBduration\fP< int64_t, nano > \fBnanoseconds\fP"
.br
.RI "nanoseconds "
.ti -1c
.RI "typedef \fBduration\fP< int64_t > \fBseconds\fP"
.br
.RI "seconds "
.in -1c
.SS "Functions"

.in +1c
.ti -1c
.RI "template<typename _ToDur , typename _Rep , typename _Period > constexpr __enable_if_is_duration< _ToDur > \fBduration_cast\fP (const \fBduration\fP< _Rep, _Period > &__d)"
.br
.RI "duration_cast "
.ti -1c
.RI "template<typename _Rep1 , typename _Period1 , typename _Rep2 , typename _Period2 > constexpr bool \fBoperator!=\fP (const \fBduration\fP< _Rep1, _Period1 > &__lhs, const \fBduration\fP< _Rep2, _Period2 > &__rhs)"
.br
.ti -1c
.RI "template<typename _Clock , typename _Dur1 , typename _Dur2 > constexpr bool \fBoperator!=\fP (const \fBtime_point\fP< _Clock, _Dur1 > &__lhs, const \fBtime_point\fP< _Clock, _Dur2 > &__rhs)"
.br
.ti -1c
.RI "template<typename _Rep1 , typename _Period , typename _Rep2 > constexpr \fBduration\fP< __common_rep_t< _Rep1, __disable_if_is_duration< _Rep2 > >, _Period > \fBoperator%\fP (const \fBduration\fP< _Rep1, _Period > &__d, const _Rep2 &__s)"
.br
.ti -1c
.RI "template<typename _Rep1 , typename _Period1 , typename _Rep2 , typename _Period2 > constexpr \fBcommon_type\fP< \fBduration\fP< _Rep1, _Period1 >, \fBduration\fP< _Rep2, _Period2 > >::type \fBoperator%\fP (const \fBduration\fP< _Rep1, _Period1 > &__lhs, const \fBduration\fP< _Rep2, _Period2 > &__rhs)"
.br
.ti -1c
.RI "template<typename _Rep1 , typename _Period , typename _Rep2 > constexpr \fBduration\fP< __common_rep_t< _Rep1, _Rep2 >, _Period > \fBoperator*\fP (const \fBduration\fP< _Rep1, _Period > &__d, const _Rep2 &__s)"
.br
.ti -1c
.RI "template<typename _Rep1 , typename _Rep2 , typename _Period > constexpr \fBduration\fP< __common_rep_t< _Rep2, _Rep1 >, _Period > \fBoperator*\fP (const _Rep1 &__s, const \fBduration\fP< _Rep2, _Period > &__d)"
.br
.ti -1c
.RI "template<typename _Rep1 , typename _Period1 , typename _Rep2 , typename _Period2 > constexpr \fBcommon_type\fP< \fBduration\fP< _Rep1, _Period1 >, \fBduration\fP< _Rep2, _Period2 > >::type \fBoperator+\fP (const \fBduration\fP< _Rep1, _Period1 > &__lhs, const \fBduration\fP< _Rep2, _Period2 > &__rhs)"
.br
.ti -1c
.RI "template<typename _Clock , typename _Dur1 , typename _Rep2 , typename _Period2 > constexpr \fBtime_point\fP< _Clock, typename \fBcommon_type\fP< _Dur1, \fBduration\fP< _Rep2, _Period2 > >::type > \fBoperator+\fP (const \fBtime_point\fP< _Clock, _Dur1 > &__lhs, const \fBduration\fP< _Rep2, _Period2 > &__rhs)"
.br
.ti -1c
.RI "template<typename _Rep1 , typename _Period1 , typename _Clock , typename _Dur2 > constexpr \fBtime_point\fP< _Clock, typename \fBcommon_type\fP< \fBduration\fP< _Rep1, _Period1 >, _Dur2 >::type > \fBoperator+\fP (const \fBduration\fP< _Rep1, _Period1 > &__lhs, const \fBtime_point\fP< _Clock, _Dur2 > &__rhs)"
.br
.ti -1c
.RI "template<typename _Rep1 , typename _Period1 , typename _Rep2 , typename _Period2 > constexpr \fBcommon_type\fP< \fBduration\fP< _Rep1, _Period1 >, \fBduration\fP< _Rep2, _Period2 > >::type \fBoperator\-\fP (const \fBduration\fP< _Rep1, _Period1 > &__lhs, const \fBduration\fP< _Rep2, _Period2 > &__rhs)"
.br
.ti -1c
.RI "template<typename _Clock , typename _Dur1 , typename _Rep2 , typename _Period2 > constexpr \fBtime_point\fP< _Clock, typename \fBcommon_type\fP< _Dur1, \fBduration\fP< _Rep2, _Period2 > >::type > \fBoperator\-\fP (const \fBtime_point\fP< _Clock, _Dur1 > &__lhs, const \fBduration\fP< _Rep2, _Period2 > &__rhs)"
.br
.ti -1c
.RI "template<typename _Clock , typename _Dur1 , typename _Dur2 > constexpr \fBcommon_type\fP< _Dur1, _Dur2 >::type \fBoperator\-\fP (const \fBtime_point\fP< _Clock, _Dur1 > &__lhs, const \fBtime_point\fP< _Clock, _Dur2 > &__rhs)"
.br
.ti -1c
.RI "template<typename _Rep1 , typename _Period , typename _Rep2 > constexpr \fBduration\fP< __common_rep_t< _Rep1, __disable_if_is_duration< _Rep2 > >, _Period > \fBoperator/\fP (const \fBduration\fP< _Rep1, _Period > &__d, const _Rep2 &__s)"
.br
.ti -1c
.RI "template<typename _Rep1 , typename _Period1 , typename _Rep2 , typename _Period2 > constexpr \fBcommon_type\fP< _Rep1, _Rep2 >::type \fBoperator/\fP (const \fBduration\fP< _Rep1, _Period1 > &__lhs, const \fBduration\fP< _Rep2, _Period2 > &__rhs)"
.br
.ti -1c
.RI "template<typename _Rep1 , typename _Period1 , typename _Rep2 , typename _Period2 > constexpr bool \fBoperator<\fP (const \fBduration\fP< _Rep1, _Period1 > &__lhs, const \fBduration\fP< _Rep2, _Period2 > &__rhs)"
.br
.ti -1c
.RI "template<typename _Clock , typename _Dur1 , typename _Dur2 > constexpr bool \fBoperator<\fP (const \fBtime_point\fP< _Clock, _Dur1 > &__lhs, const \fBtime_point\fP< _Clock, _Dur2 > &__rhs)"
.br
.ti -1c
.RI "template<typename _Rep1 , typename _Period1 , typename _Rep2 , typename _Period2 > constexpr bool \fBoperator<=\fP (const \fBduration\fP< _Rep1, _Period1 > &__lhs, const \fBduration\fP< _Rep2, _Period2 > &__rhs)"
.br
.ti -1c
.RI "template<typename _Clock , typename _Dur1 , typename _Dur2 > constexpr bool \fBoperator<=\fP (const \fBtime_point\fP< _Clock, _Dur1 > &__lhs, const \fBtime_point\fP< _Clock, _Dur2 > &__rhs)"
.br
.ti -1c
.RI "template<typename _Rep1 , typename _Period1 , typename _Rep2 , typename _Period2 > constexpr bool \fBoperator==\fP (const \fBduration\fP< _Rep1, _Period1 > &__lhs, const \fBduration\fP< _Rep2, _Period2 > &__rhs)"
.br
.ti -1c
.RI "template<typename _Clock , typename _Dur1 , typename _Dur2 > constexpr bool \fBoperator==\fP (const \fBtime_point\fP< _Clock, _Dur1 > &__lhs, const \fBtime_point\fP< _Clock, _Dur2 > &__rhs)"
.br
.ti -1c
.RI "template<typename _Rep1 , typename _Period1 , typename _Rep2 , typename _Period2 > constexpr bool \fBoperator>\fP (const \fBduration\fP< _Rep1, _Period1 > &__lhs, const \fBduration\fP< _Rep2, _Period2 > &__rhs)"
.br
.ti -1c
.RI "template<typename _Clock , typename _Dur1 , typename _Dur2 > constexpr bool \fBoperator>\fP (const \fBtime_point\fP< _Clock, _Dur1 > &__lhs, const \fBtime_point\fP< _Clock, _Dur2 > &__rhs)"
.br
.ti -1c
.RI "template<typename _Rep1 , typename _Period1 , typename _Rep2 , typename _Period2 > constexpr bool \fBoperator>=\fP (const \fBduration\fP< _Rep1, _Period1 > &__lhs, const \fBduration\fP< _Rep2, _Period2 > &__rhs)"
.br
.ti -1c
.RI "template<typename _Clock , typename _Dur1 , typename _Dur2 > constexpr bool \fBoperator>=\fP (const \fBtime_point\fP< _Clock, _Dur1 > &__lhs, const \fBtime_point\fP< _Clock, _Dur2 > &__rhs)"
.br
.ti -1c
.RI "template<typename _ToDur , typename _Clock , typename _Dur > constexpr \fBenable_if\fP< __is_duration< _ToDur >::value, \fBtime_point\fP< _Clock, _ToDur > >::type \fBtime_point_cast\fP (const \fBtime_point\fP< _Clock, _Dur > &__t)"
.br
.RI "time_point_cast "
.in -1c
.SH "Detailed Description"
.PP 
ISO C++ 2011 entities sub-namespace for time and date\&. 
.SH "Typedef Documentation"
.PP 
.SS "typedef \fBduration\fP<int64_t, \fBratio\fP<3600> > \fBstd::chrono::hours\fP"

.PP
hours 
.PP
Definition at line 612 of file chrono\&.
.SS "typedef \fBduration\fP<int64_t, micro> \fBstd::chrono::microseconds\fP"

.PP
microseconds 
.PP
Definition at line 600 of file chrono\&.
.SS "typedef \fBduration\fP<int64_t, milli> \fBstd::chrono::milliseconds\fP"

.PP
milliseconds 
.PP
Definition at line 603 of file chrono\&.
.SS "typedef \fBduration\fP<int64_t, \fBratio\fP< 60> > \fBstd::chrono::minutes\fP"

.PP
minutes 
.PP
Definition at line 609 of file chrono\&.
.SS "typedef \fBduration\fP<int64_t, nano> \fBstd::chrono::nanoseconds\fP"

.PP
nanoseconds 
.PP
Definition at line 597 of file chrono\&.
.SS "typedef \fBduration\fP<int64_t> \fBstd::chrono::seconds\fP"

.PP
seconds 
.PP
Definition at line 606 of file chrono\&.
.SH "Function Documentation"
.PP 
.SS "template<typename _ToDur , typename _Rep , typename _Period > constexpr __enable_if_is_duration<_ToDur> std::chrono::duration_cast (const \fBduration\fP< _Rep, _Period > & __d)"

.PP
duration_cast 
.PP
Definition at line 193 of file chrono\&.
.SS "template<typename _ToDur , typename _Clock , typename _Dur > constexpr \fBenable_if\fP<__is_duration<_ToDur>::value, \fBtime_point\fP<_Clock, _ToDur> >::type std::chrono::time_point_cast (const \fBtime_point\fP< _Clock, _Dur > & __t)"

.PP
time_point_cast 
.PP
Definition at line 674 of file chrono\&.
.SH "Author"
.PP 
Generated automatically by Doxygen for libstdc++ from the source code\&.