fn stop_tracking(&mut self, id: GlobalId) {
        let previous = self.uppers.remove(&id);
        if previous.is_none() {
            warn!("Protocol error: ceasing frontier tracking for absent identifier {id:?}");
        }
        // Remove dataflow export information.
        self.dataflows.remove(&id);
    }
/// Stop tracking the id within an instance.
Stop tracking the id within an instance.
Stop tracking the id within an instance .
fn stop_tracking(&mut self, id: GlobalId) {
        let previous = self.uppers.remove(&id);
        if previous.is_none() {
            warn!("Protocol error: ceasing frontier tracking for absent identifier {id:?}");
        }
        // Remove dataflow export information.
        self.dataflows.remove(&id);
    }
fn stop_tracking ( & mut self , id : GlobalId ) { let previous = self . uppers . remove ( & id ) ; if previous . is_none ( ) { warn ! ( " " ) ; } // Remove dataflow export information. self . dataflows . remove ( & id ) ; }
Stop tracking the id within an instance.
Stop tracking the id within an instance .
&mut self
id
GlobalId
&mut self
id
GlobalId