BishBosh.Time.StopWatch

AUTHOR

Dr. Alistair Ward

DESCRIPTION

Defines a stop-watch for use by a single player; so two independent instances will be required to construct a game-clock.

Types

Data-types

data StopWatch

The watch is either running & records the time at which it was started, or is stopped & records the elapsed duration.

Instances

Eq StopWatch

Defined in BishBosh.Time.StopWatch

Methods

(==) :: StopWatch -> StopWatch -> Bool

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

Show StopWatch

Defined in BishBosh.Time.StopWatch

Methods

showsPrec :: Int -> StopWatch -> ShowS

show :: StopWatch -> String

showList :: [StopWatch] -> ShowS

Default StopWatch

Defined in BishBosh.Time.StopWatch

Methods

def :: StopWatch

NFData StopWatch

Defined in BishBosh.Time.StopWatch

Methods

rnf :: StopWatch -> ()

Switchable StopWatch

Defined in BishBosh.Time.StopWatch

Methods

on :: IO StopWatch

toggle :: StopWatch -> IO StopWatch

switchOff :: StopWatch -> IO StopWatch

isOn :: StopWatch -> Bool

isOff :: StopWatch -> Bool

ShowFloat StopWatch

Defined in BishBosh.Time.StopWatch

Methods

showsFloat :: (Double -> ShowS) -> StopWatch -> ShowS

Functions

getElapsedTime :: Fractional f => StopWatch -> f

Extract the elapsed time from a stopped watch.

Constructor

mkStoppedWatch :: NominalDiffTime -> StopWatch

Constructor.