Consider giving TypeScript a try then. It offers optional, structural static typing, that while not nearly as powerful (or sound) as Scala's, is still better th

Consider giving TypeScript a try then. It offers optional, structural static typing, that while not nearly as powerful (or sound) as Scala's, is still better than not having it. And the fact that its completely optional means that its easy to get it out of the way when its not possible to express some constructs with it.