From: Ruby Admirer <ruby_admirer@...>
Date: 2007-02-09T01:59:04+09:00
Subject: What is really a class instance variable compare to a class variable ?

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Hi all,
   
  Given the following definition :
   
  class A
    @@class_var = "a class variable"
    @class_instance_var = "a class instance variable"
   
    def a_method
       @instance_var = "an instance variable"
    end
  end
   
  I understand what is a class variable and what is an instance variable. The problem I have is what is a class instance variable like @class_instance_var ? Where does this variable live ?
   
  A class variable is shared by all instances of the class. But what about the class instance variable ?
   
  Thanks for any explanation.
   
  CM.

 
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