pub fn spin_once(
node: Arc<Node>,
timeout: Option<Duration>,
) -> Result<(), RclrsError>Expand description
Polls the node for new messages and executes the corresponding callbacks.
See WaitSet::wait for the meaning of the timeout parameter.
This may under some circumstances return
SubscriptionTakeFailed, ClientTakeFailed, ServiceTakeFailed when the wait
set spuriously wakes up.
This can usually be ignored.