Issue #13559 has been reported by dunrix (Damon Unrix).

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Feature #13559: Change implementation of Feature #6721
https://bugs.ruby-lang.org/issues/13559

* Author: dunrix (Damon Unrix)
* Status: Open
* Priority: Normal
* Assignee: 
* Target version: 
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Hi,

please reconsider implementation of feature request #6721 planned for Ruby 2.5.0 .

Instead of introducing new method `Object#yield_self`, just reuse existing `Object#itself` by taking an optional block argument.

Find it much clearer and more logical solution, not superfluous polluting of API space.
`Object#itself` just returns target object, optional block would return alternative value with target object passed as block argument.

Prototyped sol. in Ruby:

~~~
class Object
  def itself
    block_given? ? yield(self) : self
  end
end
~~~

Not aware of any case, where it would break backward compatibility.




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