> Does ruby have its equivalent to typescript, with type annotations? Ruby has a first party external type definition format (RBS) as well as third-party typec

> Does ruby have its equivalent to typescript, with type annotations? Ruby has a first party external type definition format (RBS) as well as third-party typecheckers that check ruby against RBS definitions. There is probably more use of the older, all third-party typing solution (Sorbet) though.