Data.Geo.GPX.Accessor.Magvar

Documentation

class Magvar a where

Methods

magvar :: a -> Maybe DegreesType

setMagvar :: Maybe DegreesType -> a -> a

setMagvar' :: DegreesType -> a -> a

usingMagvar :: (Maybe DegreesType -> Maybe DegreesType) -> a -> a

usingMagvar' :: (DegreesType -> DegreesType) -> a -> a

Instances

Magvar WptType