That's a very interesting question. I made a stab at removing the invariant enforcement from the AVL tree code, but it was more involved than I expected. In th

That's a very interesting question. I made a stab at removing the invariant enforcement from the AVL tree code, but it was more involved than I expected. In this specific case, it doesn't matter much since compilation takes less than a second on my underpowered netbook. I'm curious whether it's an issue for a program of significant size.