Both operators return from their control-token handler when downstream demand is zero before requesting the next control token. Later downstream request calls only increments local demand. It does not restart the control subscription, so the operator can stall permanently after a zero-demand tick.
Both operators return from their control-token handler when downstream demand is zero before requesting the next control token. Later downstream
requestcalls only increments local demand. It does not restart the control subscription, so the operator can stall permanently after a zero-demand tick.