From: fukajun.shark@gmail.com
To: ruby-core@ruby-lang.org
Subject: [ruby-core:92540] [Ruby trunk Feature#15824] respond_to pattern for pattern match
Date: Sun, 05 May 2019 00:00:45 +0000 (UTC) [thread overview]
Message-ID: <redmine.issue-15824.20190505000045.077946e6effc88e2@ruby-lang.org> (raw)
In-Reply-To: redmine.issue-15824.20190505000045@ruby-lang.org
Issue #15824 has been reported by fukajun (Jun Fukaya).
----------------------------------------
Feature #15824: respond_to pattern for pattern match
https://bugs.ruby-lang.org/issues/15824
* Author: fukajun (Jun Fukaya)
* Status: Open
* Priority: Normal
* Assignee:
* Target version:
----------------------------------------
rubyに追加されそうなパターンマッチの機能について...
Interger, Array など constantを書くことで、オブジェクトのクラスにマッチングさせる機能があるのを拝見しました。
duck typingを確認するようなパターンマッチがかけるとrubyらしいのではないかと思ってこちらに書いてみることにしました。
respond_to pattern
```ruby
class Runner
def run
end
def stop
end
end
runner = Runner.new
case runner
in .run & .stop
:reachable
in .start & .stop
:unreachable
end
```
--
https://bugs.ruby-lang.org/
next parent reply other threads:[~2019-05-05 0:00 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <redmine.issue-15824.20190505000045@ruby-lang.org>
2019-05-05 0:00 ` fukajun.shark [this message]
2019-05-05 15:32 ` [ruby-core:92552] [Ruby trunk Feature#15824] respond_to pattern for pattern match shevegen
2019-05-22 8:57 ` [ruby-core:92777] " matz
2019-10-06 7:56 ` [ruby-core:95243] [Ruby master " s.wanabe
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