> I've always wondered how they do it as well. See https://news.ycombinator.com/item?id=48574402 https://news.ycombinator.com/item?id=48574402 > So are they m

> I've always wondered how they do it as well. See https://news.ycombinator.com/item?id=48574402 https://news.ycombinator.com/item?id=48574402 > So are they moved to a simple variable then? Yup, it has to exist somewhere.