Separating type definitions from code can be considered as contributing to readability of idiomatic Ruby on one hand, and type definitions on the other, taken s

Separating type definitions from code can be considered as contributing to readability of idiomatic Ruby on one hand, and type definitions on the other, taken separately on their own—by not imposing constraints on either syntax. IDEs will likely be able to seamlessly peek/go to RBS type definition on any Ruby identifier in any case.