From: Alfredo Garcia lopez <fredini@...>
Date: 2008-10-22T22:23:22+09:00
Subject: Re: Include code (conditionally) in a class and its subclasses

Sorry,this is wrong

> 
> module ProductExtension
>   def precio
>    old_price+30
>   end
>     alias_method :old_price, :price
>     alias_method :price, :old_price
> end

It would be ...

module ProductExtension
  def new_price
   old_price+30
  end
  alias_method :old_price, :price
  alias_method :price, :new_price
end





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