I'm really annoyed by val as well, but the standard library is immutable-first so it's never really a problem for things you haven't written yourself. It can pr

I'm really annoyed by val as well, but the standard library is immutable-first so it's never really a problem for things you haven't written yourself. It can probably be a real pain for larger software with lots of invented-here classes, made by former Java devs, though.