From: Oliver Saunders <oliver.saunders@...>
Date: 2008-05-06T08:21:54+09:00
Subject: Extending Array and assigning to self

I've got this class that is essentially an array with a few things
added. Here's some of it:

class Pages

   def initialize
      @content = []
   end

   def import(file, page_delimiter = '')
      @content = file.read.split page_delimiter
      self
   end

   def [](num)
      @content[num]
   end

   def <<(page_content)
      @content << page_content
   end

....

Because I'm basically reimplementing Array I thought it might me more
sense to inherit from Array or delegate to Array. The trouble is that I
need to assign to @content. How do you suggest I get round this problem?
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