Issue #6225 has been updated by matz (Yukihiro Matsumoto).


I myself do not care whether + to be symmetric or not.  I care about key conflict.
Since conflicting cause value lost, I am not positive about making + alias to #merge.


Matz.

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Feature #6225: Hash#+
https://bugs.ruby-lang.org/issues/6225#change-25456

Author: trans (Thomas Sawyer)
Status: Assigned
Priority: Normal
Assignee: matz (Yukihiro Matsumoto)
Category: core
Target version: 2.0.0


Strings and Arrays can be combined with #+. I don't see any reason not to allow Hashes to do so as well.

  class Hash
    alias :+ :merge
  end



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