> But it shifts the need to memorize undefined behavior with the need to memorize the borrow checker rules. With one massive difference: the borrow checker wil

> But it shifts the need to memorize undefined behavior with the need to memorize the borrow checker rules. With one massive difference: the borrow checker will tell you when you're wrong at compile time. Undefined behaviour will make your program compile and it will look like your program is fine until it's not. I'd take that trade.