Others have mentioned coroutines; just to avoid repeating a good conversation that already happened on all this, here's the link: http://news.ycombinator.com/i

Others have mentioned coroutines; just to avoid repeating a good conversation that already happened on all this, here's the link: http://news.ycombinator.com/item?id=1549023 http://news.ycombinator.com/item?id=1549023