Russ Supports Coroutines

Am, as you remember from our go podcast, we talked all about co routines. And russ supports coroutines. So if you use the green rust run time, then you get support for coroutines,. which is pretty cool. But you have to choose one per programm. You have to choose that's riht for bying, right? It's actually, i think, a different compiler or something like that.