Time.Duration

Exact elapsed time at nanosecond precision. Unlike Time.Period, a duration has no calendar units. Use hours 24 when exactly 24 hours are intended. The representation is floor seconds plus a nonnegative nanosecond fraction, so the range is signed 64-bit seconds. Arithmetic is total: a result beyond that range wraps like Int, which takes inputs near 10^17 hours. Conversions to sub-second units answer Nothing when the integer would overflow.

import Time.Duration as Duration
import Maybe exposing (Maybe(..))

Duration.toSeconds (Duration.milliseconds (-1500)) == -1
Duration.toMilliseconds (Duration.scale 3 (Duration.milliseconds 500)) == Just 1500

type DurationSource

Eq Duration
Ord Duration
Show Duration

add : Duration -> Duration -> DurationSource

fromParts : Int -> Int -> DurationSource

hours : Int -> DurationSource

microseconds : Int -> DurationSource

milliseconds : Int -> DurationSource

minutes : Int -> DurationSource

nanoseconds : Int -> DurationSource

negate : Duration -> DurationSource

parts : Duration -> (Int, Int)Source

scale : Int -> Duration -> DurationSource

seconds : Int -> DurationSource

subtract : Duration -> Duration -> DurationSource

toHours : Duration -> IntSource

toMicroseconds : Duration -> Maybe IntSource

toMilliseconds : Duration -> Maybe IntSource

toMinutes : Duration -> IntSource

toNanoseconds : Duration -> Maybe IntSource

toSeconds : Duration -> IntSource

zero : DurationSource