Programming Ruby 3.3

Ruby Typing with Sorbet

You may have noticed that while RBS is an interesting way to add type hints to your application, the actual usage of it is still a little light. A third-party tool called Sorbet that’s managed by a team at Stripe also provides type checking. At the moment Sorbet has more powerful analysis tools.

As with some other third-party tools, we’re covering Sorbet here because there’s a good chance you’ll see it out in the world, but third-party tools often change quickly, so we recommend https://sorbet.org/docs for the full scoop of Sorbet, so to speak.

Sorbet is different from RBS in that the type annotations generally go in the Ruby file, though there is also an external file format. The type annotations are plain Ruby, and ...