module Data.Geo.GPX.Accessor.Copyright where import Data.Geo.GPX.CopyrightType import Data.Geo.GPX.Accessor.Accessor class Copyright a where copyright :: a -> Maybe CopyrightType setCopyright :: Maybe CopyrightType -> a -> a setCopyright' :: CopyrightType -> a -> a setCopyright' = setCopyright . Just usingCopyright :: a -> (Maybe CopyrightType -> Maybe CopyrightType) -> a usingCopyright = copyright `using` setCopyright