I still have to explain it properly, but there is a pretty good sketch on a recent blog post, linked from this comment. (You will probably end up chasing a lot

I still have to explain it properly, but there is a pretty good sketch on a recent blog post, linked from this comment. (You will probably end up chasing a lot of comment threads, but it's mostly there.) https://news.ycombinator.com/item?id=27914632 https://news.ycombinator.com/item?id=27914632 It's an argument about avoiding O(M*N) glue code. O(M*N) amounts of code are expensive to write, and contain O(M*N) numbers of bugs.