[Haskell-cafe] IO in lists

[Joachim Breitner]

Hi again,

if sequence' should work with empty lists, then better write it like
this:

sequence' ms = foldr k (return []) ms
	    where
	      k m m' = do { x <- m; xs <- unsafeInterleaveIO m'; return (x:xs) }

Joachim
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Joachim "nomeata" Breitner
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