This zipper stuff is for immutable data structures.. For us normal folk that just use & abuse array's we don't need zippers. :-). Just kidding. I am dieing to f

This zipper stuff is for immutable data structures.. For us normal folk that just use & abuse array's we don't need zippers. :-). Just kidding. I am dieing to find a use for zippers tho, i'm not a functional programmer.