. package:basic-prelude

(.) :: Category k cat => forall (b :: k) (c :: k) (a :: k) . cat b c -> cat a b -> cat a c
basic-prelude CorePrelude
morphism composition
(<.>) :: FilePath -> String -> FilePath
basic-prelude CorePrelude
Add an extension, even if there is already one there, equivalent to addExtension. 
"/directory/path" <.> "ext" == "/directory/path.ext"
"/directory/path" <.> ".ext" == "/directory/path.ext"