From: Stefano Crocco <stefano.crocco@...>
Date: 2012-04-20T16:37:56+09:00
Subject: Re: How to override []= array method?

Il giorno Fri, 20 Apr 2012 16:22:07 +0900
"Gaurav C." <lists@ruby-forum.com> ha scritto:

> My class is defined as,
> 
>   class Memory < Array
> 
> and I need to override the []= method.
> I tried something like,
> 
>   def []=(address, value)
>     self[address] = Word.new(value)
>   end
> 
> which causes an infinite loop of course: 'stack level too deep'.
> How to do it right?
> 

Before defining the new method use alias_method to create a copy of the
original one with a different name:

class Memory < Array
  alias_method :set_element, :[]=

  def []= address, value
    set_element address, value
  end
end

I hope this helps

Stefano