From: nobu@...
Date: 2016-11-22T23:01:33+00:00
Subject: [ruby-core:78266] [Ruby trunk Feature#12971] (Refactoring) Remove `defined?` checks from observer.rb

Issue #12971 has been updated by Nobuyoshi Nakada.

Description updated

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Feature #12971: (Refactoring) Remove `defined?` checks from observer.rb
https://bugs.ruby-lang.org/issues/12971#change-61631

* Author: Nikolay Ponomarev
* Status: Open
* Priority: Normal
* Assignee: 
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Remove `defined?` checks from observer.rb

- Contains less code
- Easier to understand Observable logic
- No performance downgrade



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