Behold: the dumbest stack-less postfix notation evaluator written purely to abuse that new pattern matching! https://play.rust-lang.org/?version=beta&mode=debu

Behold: the dumbest stack-less postfix notation evaluator written purely to abuse that new pattern matching! https://play.rust-lang.org/?version=beta&mode=debug&edition=2018&gist=7aefe1ab0b8ece3adc864057cdcb0564 https://play.rust-lang.org/?version=beta&mode=debug&edition=...