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From: "Jeroen v." <jeroeningen@gmail.com>
Newsgroups: comp.lang.ruby
Subject: Set attribute of superclass dinamically
Date: Sun, 24 Apr 2011 09:29:33 -0500
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Xref: x330-a1.tempe.blueboxinc.net comp.lang.ruby:3436

I have the following code

class foo
  price_per_liter = 1
  price
  module bar
    def set_price val
      self.price_per_liter = val
    end
  end
end

In this way I can succesfully set the price per liter of the class. How
can I make it dunamically, so I can also set the attribute 'price'?

I tried instance_variable_set(@variable, val), but that doesn't work.
Probably because the variables of the class 'foo' and the module 'bar'
lives independent of each other.

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