Ports TypeScript's non-null assertion `!` to Ruby as a method, inspired by Crystal's `not_nil!`. The bundled RBS signatures let Steep narrow `T?` to `T` at the type level.

Required Ruby Version

>= 3.3

Authors

Takeshi KOMIYA

Versions

  1. 1.0.0 May 21, 2026 (7 KB)

Pushed by

GitHub

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Provenance