And even then, you are still allowed to explicitly define types everywhere, they are just optional. https://play.rust-lang.org/?gist=24d87fde3cc5273d4ec73ba564

And even then, you are still allowed to explicitly define types everywhere, they are just optional. https://play.rust-lang.org/?gist=24d87fde3cc5273d4ec73ba5647d733a&version=stable https://play.rust-lang.org/?gist=24d87fde3cc5273d4ec73ba5647...