> So you don't advocate for unit tests, you don't want a powerful type system, what do you want? "Write tests. Not too many. Mostly integration." Leave static

> So you don't advocate for unit tests, you don't want a powerful type system, what do you want? "Write tests. Not too many. Mostly integration." Leave static typing for performance-critical sections. > They are a performance/safety trade off. So is dynamic typing. Only performance in this case means developer performance. Turns out most of our software is not landing airplanes, and developer performance is way more important than occasional non-critical bug that affects 5 users and gets fixed within a day.