{-# LANGUAGE TypeOperators, EmptyDataDecls #-} module Data.Rope.Annotation.Unit ( Unit ) where import Data.Rope.Annotation data Unit a instance MonoidA Unit where emptyA = undefined appendA _ _ _ _ = undefined instance ReducerA Unit where unitA _ = undefined snocA _ _ _ = undefined consA _ _ _ = undefined instance BreakableA Unit where takeA _ _ _ = undefined dropA _ _ _ = undefined splitAtA _ _ _ = (undefined, undefined)