From: "Randy W. Sims" <ml-ruby@...>
Date: 2004-10-11T04:59:57+09:00
Subject: Re: Putting some code out to DRY

loop do
   break if @step && (@step -= 1) < 0
   yield(seed)
   @skip.times { seed = seed.succ }
   break if @halt.call(seed) if @halt
end