I think this is what you really want to ask: “This style of programming is totally foreign to me. Clearly this is intentional — I am curious as to why you chose it. Can you explain?” :-)

Understanding why someone else makes a difference choice can be illuminating. Given that the author of the original k has written at least 5 or 6 versions of the language interpreter from scratch every time in this style, he must be doing something right. Right?