parsing is real validating! (obligatory "Parse, don't validate" post https://news.ycombinator.com/item?id=35053118 https://news.ycombinator.com/item?id=350531

parsing is real validating! (obligatory "Parse, don't validate" post https://news.ycombinator.com/item?id=35053118 https://news.ycombinator.com/item?id=35053118 and some more discussion on the topic https://news.ycombinator.com/item?id=39322551 https://news.ycombinator.com/item?id=39322551 )