> Now I prefer even to "prototype" in static languages because the crossover to when they start providing me net benefit is around a week or so into my developm

> Now I prefer even to "prototype" in static languages because the crossover to when they start providing me net benefit is around a week or so into my development process. I've moved from Ruby to Crystal as much as I can, and at first I found it painful but now I appreciate the myriad complaints from the type checker. It's eliminated 99% of the specs I used to have to write.