On 17 августа 2012 11:48:54 Magicloud Magiclouds wrote: > But how if here maybe[ABC] are like 'IO (Maybe Int)', or foo is type > of 'Int -> IO Int'?
Maybe you can help monad transformers and MaybeT? They help you write code
like 'MaybeT f1 >> MaybeT f2 >> MaybeT f3 where { f1, f2, f3 :: IO (Maybe Int)
}'._______________________________________________ Haskell-Cafe mailing list [email protected] http://www.haskell.org/mailman/listinfo/haskell-cafe
