Rust has it as an experimental feature: https://doc.rust-lang.org/stable/std/keyword.become.html https://doc.rust-lang.org/stable/std/keyword.become.html Of co

Rust has it as an experimental feature: https://doc.rust-lang.org/stable/std/keyword.become.html https://doc.rust-lang.org/stable/std/keyword.become.html Of course it's nowhere near a guarantee that it would land in the stable language, but it's still an opportunity to try it in practice.