#include <chrono>
PublicTypesusingduration = chrono::duration< rep, period >
usingperiod = system_clock::period
usingrep = system_clock::rep
usingtime_point = chrono::time_point< utc_clock >
StaticPublicMemberFunctions
template<typename_Duration > staticutc_time< common_type_t< _Duration, seconds > > from_sys (const
sys_time< _Duration > &__t)
statictime_pointnow ()
template<typename_Duration > staticsys_time< common_type_t< _Duration, seconds > > to_sys (const
utc_time< _Duration > &__t)
StaticPublicAttributesstatic constexpr bool is_steady