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Posted By

deepsoul on 09/16/09


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list-of-functions zipWith


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Apply list of functions to list of arguments, one-to-one

 / Published in: Haskell
 

Easy if you know how... ;)

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  1. zid :: [a -> b] -> [a] -> [b]
  2. zid = zipWith id
  3. -- zipWith ($) also works
  4.  
  5. -- example usage:
  6. fs = map (*) [1..5]
  7. xs = reverse [2..6]
  8. ys = zid fs xs
  9. -- ys is [6,10,12,12,10]

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