And Daniel Wagner links to a very good answer on another question: http://stackoverflow.com/questions/7868507/non-trivial-lazy-evaluation/7868790#7868790 http:/

And Daniel Wagner links to a very good answer on another question: http://stackoverflow.com/questions/7868507/non-trivial-lazy-evaluation/7868790#7868790 http://stackoverflow.com/questions/7868507/non-trivial-lazy-...