ICFP Programming Contest

So who won? --FC P.S. Lennart, you used C??

Nested pattern guards.

Hi all. Was there ever any sort of consensus about whether pattern guards ought to be "nestable", or not? And if not, was there some semantic objection to this, was the syntax just considered to Unspeakable to be spoken of, or is the feature just largely redundant? (I think you can always rewr