Re: [Haskell-cafe] Re: split string into n parts

Gah! Brain AWOL. I'm surprised no-one picked me up on that. Why didn't I use:

splitAtMb n [] = Nothing splitAtMb n l = Just $ splitAt n l

Actually, I've some code lying around doing exactly this (but without the padding ;)), written with the coalgebra inlined: split n = unfoldr $ \xs -> case xs of [] -> Nothing _ -> Just (splitAt n xs) Cheers, Stefan