[Haskell-beginners] Is this overkill?
felipe.lessa at gmail.com
Fri Apr 3 22:16:30 EDT 2009
On Fri, Apr 03, 2009 at 08:58:41PM -0500, Zachary Turner wrote:
> trueIndices = curry $ map fst . filter snd . zip [0..] . map (uncurry (&&))
> . (uncurry zip)
Just some tips: note that
map (uncurry f) . zip === zipWith f
curry $ f . uncurry g === (f .) . g
trueIndices = ((map fst . filter snd . zip [0..]) .) . zipWith (&&)
There must be some combinators to avoid the '((...) .) .' thing, though. I just don't remember :).
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