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The State of Ruby 3 Typing | Square Corner Blog

Henning Koch
July 30, 2020Software engineer at makandra GmbH

We're pleased to announce Ruby 3’s new language for type signatures, RBS. One of the long-stated goals for Ruby 3 has been to add type checking tooling. After much discussion with Matz and the Ruby committer team, we decided to take the incremental step of adding a foundational type signature language called “RBS,” which will ship with Ruby 3 along with signatures for the stdlib. RBS command line tooling will also ship with Ruby 3, so you can generate signatures for your own Ruby code.

Ruby 3 is coming, and it will have optional type signatures in separate files.

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Posted by Henning Koch to makandra dev (2020-07-30 09:38)