23 General utilities library [utilities]

23.17 Time utilities [time]

23.17.5 Class template duration [time.duration]

23.17.5.4 duration special values [time.duration.special]

static constexpr duration zero();

1
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Returns: duration(duration_­values<rep>​::​zero()).

static constexpr duration min();

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

static constexpr duration max();

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