Issue #9778 has been reported by Nathaniel Symer.

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Feature #9778: Bring shortcut methods to Hash
https://bugs.ruby-lang.org/issues/9778

* Author: Nathaniel Symer
* Status: Open
* Priority: Normal
* Assignee: Yukihiro Matsumoto
* Category: syntax
* Target version: next minor
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My obsession with easy syntax annoys me when I see `Hash#merge` does not have a shortcut in the form of a mathematical operation (like - or +).

    h_one = { :foo => "bar", :this => "that", :all => "nothing" }
    h_two = { :foo => "this", :ruby => "awesome" }

    # this isn't as pretty
    h_one.merge(h_two)
      =>  { :foo => "this", :this => "that", :all => "nothing", :ruby => "awesome" }

    # as this
    h_one+h_two
      => { :foo => "this", :this => "that", :all => "nothing", :ruby => "awesome" }`

Why doesn't this exist in Ruby?



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