programming

When programming, there're problems we find almost everyday. Then there're some problems we find just once in a while. Lastly, some of them will nerver or rarely cross our path. It's not that the Y combinator doesn't have practical uses, it's just that it's only needed in very specific contexts.

The problems with recursivity

Recursivity is a problem in itself for a number of inexperienced (and some experienced) programmers. But even for those of us who understand it, recursivity still has some hard to fix details in certain situations.

First and foremost is optimization.