> Also, applicative functors can help
> 
>   GHCi> :m +Control.Applicative
>   GHCi> (\x y z -> x*(y+z)) <$> ZipList [1,2,3]
>         <*> ZipList [-1,0,1] <*> ZipList [1,1,1]
>   ZipList [0,2,6]
>   GHCi>
http://www.soi.city.ac.uk/~ross/papers/Applicative.pdf
quote "The general scheme is as follows:"
(page 2)

Marc
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