Issue #13067 has been reported by Yukihiro Matsumoto.

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Feature #13067: TrueClass,FalseClass to provide `===` to match truthy/falsy values.
https://bugs.ruby-lang.org/issues/13067

* Author: Yukihiro Matsumoto
* Status: Open
* Priority: Normal
* Assignee: 
* Target version: 
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I propose to make `TrueClass`, `FalseClass` to provide `===` method to match truthy values (`TrueClass`), and falsy values (`FalseClass`), so that we can use true and false for case pattern matching.  And we can pick truthy values using `grep` e.g. `ary.grep(true)`.

Matz.



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