module Data.Geo.GPX.Accessor.Text where import Data.Geo.GPX.Accessor.Accessor class Text a where text :: a -> Maybe String setText :: Maybe String -> a -> a setText' :: String -> a -> a setText' = setText . Just usingText :: (Maybe String -> Maybe String) -> a -> a usingText = text `using` setText usingText' :: (String -> String) -> a -> a usingText' = usingText . fmap