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  • I already know what pattern matching is all about and I think it is an awesome feature in Haskell that I miss in the languages I use! Commented May 18, 2012 at 13:11
  • @marcof My point is that all the talk about recursion vs iteration doesn't address the sleekness of your code sample. It's really about pattern matching vs conditionals. Perhaps I should have put that up top in my answer. Commented May 18, 2012 at 13:16
  • Yes, I understood that too :P Commented May 18, 2012 at 13:21
  • @chrisaycock: Would it be possible to see iteration as tail recursion in which all the variables used in the loop body are both arguments and return values of the recursive calls? Commented May 18, 2012 at 16:11
  • @Giorgio: Yes, make your function take and return a tuple of the same type. Commented Jun 21, 2013 at 17:25