The Polar Game in Haskell, Day 1

from blog Praise, Curse, and Recurse, | ↗ original
So if you've been following recent posts, you know I've been messing with the logic for a simple sliding-tile game. In my last post I took some designs refined via a side trip into Dylan and brought them back into Objective-C, making them a little more idiomatic by pruning my tile classes that didn't hold their weight, and compensating for...