I like fast compile times, backwards compatibility, all my code base in one language, vast tool support … If I wanted to mix in or use a new language, I would

I like fast compile times, backwards compatibility, all my code base in one language, vast tool support … If I wanted to mix in or use a new language, I would want something that was a substantial upgrade in terms of expressiveness and platform. To me Kotlin is a bit like what Coffescript is to JavaScript.