I actually used enumerate in an earlier version of this post, but in the case I used it didn't work (pointed out to me on /r/rust). I'm going to go into enumera

I actually used enumerate in an earlier version of this post, but in the case I used it didn't work (pointed out to me on /r/rust). I'm going to go into enumerate and other iterator functions in future posts, so left it out for now. I agree this is a better formulation.