Hoogle Hoogle - Haskell API Search Hoogle is a Haskell API search engine, which allows you to search many standard Haskell libraries by either function name, or by approximate type signature. haskell http://haskell.org/hoogle/datadir/resources/favicon.png http://haskell.org/hoogle/datadir/resources/favicon64.png Neil Mitchell false en-us UTF-8 UTF-8