> neat nod to async systems that can use this neat trick to yield empty strings to signal that they are not ready yet.
Can't the system just do nothing to signal it's not ready yet?
In an async system that means you either have to suspect execution (for instance by yielding something) or to block. And blocking is bad.
> neat nod to async systems that can use this neat trick to yield empty strings to signal that they are not ready yet.
Can't the system just do nothing to signal it's not ready yet?