From: John Merlino <stoicism1@...>
Date: 2010-01-18T02:31:36+09:00
Subject: What does ||= represent in this situation?

Hey all, || is equal to Or. So what would ||= in this situation?

def expensive
  @expensive ||=
    begin
      n = 99
      buf = ""
      begin
        buf << "#{n} bottles of beer on the wall\n"
        # ...
        n -= 1
      end while n > 0
      buf << "no more bottles of beer"
    end
end

Thanks for all suggestions. Also if you can interpret this, that would
be nice. What it appears here is an attempt of a do while loop.
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