Neat, that top answer is mine. And yes, it does borrow quite generously from the first chapter of SICP, which is the canonical source for that kind of info. Sti

Neat, that top answer is mine. And yes, it does borrow quite generously from the first chapter of SICP, which is the canonical source for that kind of info. Still, it's nice to see something I wrote coming up again. I'm glad it's helping people.