Safe Haskell	Safe
Language	Haskell2010

Data.Distance

Synopsis

Documentation

data Distance #

An abstract distance. Use the provided smart constructors to create a meaningful distance. Note that on first sight a Num instance might seem desirable, but this would defeat the purpose of having transparent and explicitly constructed distances due to fromInteger.

Instances

Eq Distance #
Methods (==) :: Distance -> Distance -> Bool # (/=) :: Distance -> Distance -> Bool #
Ord Distance #
Methods compare :: Distance -> Distance -> Ordering # (<) :: Distance -> Distance -> Bool # (<=) :: Distance -> Distance -> Bool # (>) :: Distance -> Distance -> Bool # (>=) :: Distance -> Distance -> Bool # max :: Distance -> Distance -> Distance # min :: Distance -> Distance -> Distance #
Show Distance #
Methods showsPrec :: Int -> Distance -> ShowS # show :: Distance -> String # showList :: [Distance] -> ShowS #
Monoid Distance #	An empty `Distance` is 0, and `mappend` is defined as addition
Methods mempty :: Distance # mappend :: Distance -> Distance -> Distance # mconcat :: [Distance] -> Distance #

meters :: Double -> Distance #

centimeters :: Double -> Distance #

millimeters :: Double -> Distance #

kilometers :: Double -> Distance #

toMeters :: Distance -> Double #

toCentimeters :: Distance -> Double #

toMillimeters :: Distance -> Double #

toKilometers :: Distance -> Double #