20 General utilities library [utilities]

20.17 Time utilities [time]

20.17.5 Class template duration [time.duration]

20.17.5.4 duration special values [time.duration.special]

static constexpr duration zero();

1

Returns: duration(duration_values<rep>::zero()).

static constexpr duration min();

2

Returns: duration(duration_values<rep>::min()).

static constexpr duration max();

3

Returns: duration(duration_values<rep>::max()).