Data.Geo.Jord.Duration

Types and functions for working with (signed) durations.

In order to use this module you should start with the following imports:

import Data.Geo.Jord.Duration (Duration)
import qualified Data.Geo.Jord.Duration as Duration

The Duration type

data Duration

A duration with a resolution of 1 millisecond.

Instances

Eq Duration

Defined in Data.Geo.Jord.Duration

Methods

(==) :: Duration -> Duration -> Bool

(/=) :: Duration -> Duration -> Bool

Ord Duration

Defined in Data.Geo.Jord.Duration

Methods

compare :: Duration -> Duration -> Ordering

(<) :: Duration -> Duration -> Bool

(<=) :: Duration -> Duration -> Bool

(>) :: Duration -> Duration -> Bool

(>=) :: Duration -> Duration -> Bool

max :: Duration -> Duration -> Duration

min :: Duration -> Duration -> Duration

Read Duration

See duration.

Defined in Data.Geo.Jord.Duration

Methods

readsPrec :: Int -> ReadS Duration

readList :: ReadS [Duration]

readPrec :: ReadPrec Duration

readListPrec :: ReadPrec [Duration]

Show Duration

Show Duration as (-)nHnMn.nS.

Defined in Data.Geo.Jord.Duration

Methods

showsPrec :: Int -> Duration -> ShowS

show :: Duration -> String

showList :: [Duration] -> ShowS

toMilliseconds :: Duration -> Int

the number of milliseconds in duration.

Smart constructors

milliseconds :: Double -> Duration

Duration from given amount of milliseconds.

hours :: Double -> Duration

Duration from given amount of hours.

minutes :: Double -> Duration

Duration from given amount of minutes.

seconds :: Double -> Duration

Duration from given amount of seconds.

hms :: Int -> Int -> Double -> Duration

Duration from hours minutes and decimal seconds.

Conversions

toHours :: Duration -> Double

toHours d gets the number of hours in d.

toMinutes :: Duration -> Double

toMinutes d gets the number of minutes in d.

toSeconds :: Duration -> Double

toSeconds d gets the number of seconds in d.

Read

duration :: ReadP Duration

Parses and returns an Duration formatted (-)nHnMn.nS.

read :: String -> Maybe Duration

Reads a Duration from the given string using duration.

Misc

add :: Duration -> Duration -> Duration

Adds 2 durations.

subtract :: Duration -> Duration -> Duration

Subtracts 2 durations.

zero :: Duration

0 duration.