Issue #12976 has been reported by Herwin W.

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Misc #12976: Update example of Hash#value? and Hash#has_value?
https://bugs.ruby-lang.org/issues/12976

* Author: Herwin W
* Status: Open
* Priority: Normal
* Assignee: 
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https://github.com/ruby/ruby/pull/1491


The same code is used for has_value? and value?, but according to http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-core/43765 has_value is deprecated. Use the non-deprecated syntax in the examples.




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