[Haskell-cafe] Re: Examples of useful functions of order >= 3?

Ben Lippmeier wrote:

I vaguely remember a paper called something like "Is there any use for a seventh order function?", but I forget why they were used, and I can't find it on Google, or ACM or any of the other likely places.

http://citeseer.ist.psu.edu/okasaki99functional.html Functional Pearls Even Higher-Order Functions for Parsing or Why Would Anyone Ever Want To Use a Sixth-Order Function? (1999) Chris Okasaki Journal of Functional Programming HTH Christian