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

[Christian Maeder]

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