    -----------------------------------------------------------------------------
    -- |
    -- Module      :  GHC.Desugar
    -- Copyright   :  (c) The University of Glasgow, 2007
    -- License     :  see libraries/base/LICENSE
    --
    -- Maintainer  :  cvs-ghc@haskell.org
    -- Stability   :  internal
    -- Portability :  non-portable (GHC extensions)
    --
    -- Support code for desugaring in GHC
    --
    -----------------------------------------------------------------------------

    -- #hide
    module GHC.Desugar ((>>>)) where

    import Control.Arrow    (Arrow(..))
    import Control.Category ((.))
    import Prelude hiding ((.))

    -- A version of Control.Category.>>> overloaded on Arrow
    #ifndef __HADDOCK__
    (>>>) :: forall arr. Arrow arr => forall a b c. arr a b -> arr b c -> arr a c
    #endif
    -- NB: the type of this function is the "shape" that GHC expects
    --     in tcInstClassOp.  So don't put all the foralls at the front!
    --     Yes, this is a bit grotesque, but heck it works and the whole
    --     arrows stuff needs reworking anyway!
    f >>> g = g . f