27 Time library [time]

27.5 Class template duration [time.duration]

27.5.9 Algorithms [time.duration.alg]

🔗
template<class Rep, class Period> constexpr duration<Rep, Period> abs(duration<Rep, Period> d);
1
#
Constraints: numeric_­limits<Rep>​::​is_­signed is true.
2
#
Returns: If d >= d.zero(), return d, otherwise return -d.