> I know this is obvious, but I never actually thought about it. I'm probably not the only one. It's pretty obvious, and I have thought about it, but I bet thi

> I know this is obvious, but I never actually thought about it. I'm probably not the only one. It's pretty obvious, and I have thought about it, but I bet this is the sort of thing that I would reach for, forget about and lose some amount of time chasing down, so it's nice to have periodic reminders. As an aside: sometimes, a linked list is the right datastructure.