This might no be the the best example, but this is not a Medium blogspam, the guy has wrote several widely used gems and we should not stop at this technical ex

This might no be the the best example, but this is not a Medium blogspam, the guy has wrote several widely used gems and we should not stop at this technical example to invalidate the whole points he is trying to make (and I don't consider this code to be the core argument of the post.)