Issue #15918 has been updated by ko1 (Koichi Sasada).

Assignee set to ktsj (Kazuki Tsujimoto)

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Feature #15918: Pattern matching for Set
https://bugs.ruby-lang.org/issues/15918#change-80180

* Author: marcandre (Marc-Andre Lafortune)
* Status: Open
* Priority: Normal
* Assignee: ktsj (Kazuki Tsujimoto)
* Target version: 
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Currently, `Set` does not respond to `deconstruct`. Shouldn't we implement it using `to_a`?

```
require 'set'
case Set[1, 2, 3]
in [1, 2, 3]
  p "match"
else
  p "no match"
end
# => "no match", should be "match"
```




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