úÎ>rSafeU Capture used here as delimiter"Make continuation to be observable$Make monadic action to be observable%Listen all event from action, forever"Listen only first event, just once/Looks like a bind, but it has another semantics.Yield all a over some t with callback function SafeUW0Listen event from action untill time limit is up        &observable-0.1.1-GUwBw4ihtekcQ6RJphi0zControl.Observable"Control.Observable.Usage.Heartbeat Observabledispatchobs subscribenotify*=>bypassaliveCapturecapturedBeatenAliveDead