We did start off with just Go. After doing a bunch of infrastructural work, we added another, Ruby. We've just finished generalizing this, in a way that both mo

We did start off with just Go. After doing a bunch of infrastructural work, we added another, Ruby. We've just finished generalizing this, in a way that both more 1st- and 3rd-party extensions can be created. To date though, we've only gotten to Rust and Swift.