From: Love U Ruby <lists@...>
Date: 2013-03-20T15:37:55+09:00
Subject: Confusion with has object creation.

I know we create Hash object with Hash.new,it calls `initialize` method.

Here it is:

class Hash
  alias_method :_initialize, :initialize
  def initialize
     puts 'welcome!!'
     _initialize
  end
end
Hash.new #welcome

But how hash object is created when we call them as below:

Hash['a', 'b']
Hash['a' => 'b']

What method is being called internally?

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