module Data.Geo.GPX.Accessor.Type where import Data.Geo.GPX.Accessor.Accessor class Type a where type' :: a -> Maybe String setType :: Maybe String -> a -> a setType' :: String -> a -> a setType' = setType . Just usingType :: (Maybe String -> Maybe String) -> a -> a usingType = type' `using` setType usingType' :: (String -> String) -> a -> a usingType' = usingType . fmap