I agree... you need discipline either way. It's just easier to wind up not realizing that you don't need to spend so much time on up-front optimization with Rus

I agree... you need discipline either way. It's just easier to wind up not realizing that you don't need to spend so much time on up-front optimization with Rust to produce a perfectly serviceable program. (Especially if you haven't internalized the whole "fearless refactoring" angle.)