Sorbet can be used inline without external file decorators already and RBS is adding support too[2]. I would not be surprised if that typing information starts

Sorbet can be used inline without external file decorators already and RBS is adding support too[2]. I would not be surprised if that typing information starts finding its way into YJIT for performance improvements. 1. https://sorbet.org/docs/type-assertions https://sorbet.org/docs/type-assertions 2. https://github.com/soutaro/rbs-inline https://github.com/soutaro/rbs-inline