On Fri, 21 Nov 2008, Jason Dusek wrote:

 It came up on IRC last night that there is no "generic" zip in
 Haskell. I decided to write one as an example, but it only
 half works.

I think that the ZipList type for Applicative functors is a solution.

http://www.haskell.org/ghc/docs/latest/html/libraries/base/Control-Applicative.html#t%3AZipList

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