/usr/lib/hugs/packages/haskell98/Monad.hs is in libhugs-haskell98-bundled 98.200609.21-5.4.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14  | module Monad (
    MonadPlus(mzero, mplus),
    join, guard, when, unless, ap,
    msum,
    filterM, mapAndUnzipM, zipWithM, zipWithM_, foldM, 
    liftM, liftM2, liftM3, liftM4, liftM5,
    -- ...and what the Prelude exports
    Monad((>>=), (>>), return, fail),
    Functor(fmap),
    mapM, mapM_, sequence, sequence_, (=<<), 
  ) where
import Control.Monad
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