371                 let oper = Operation::hook(token);  in send()  localVariable
372                 self.senders.register(oper, cx);  in send()
385                         self.senders.unregister(oper).unwrap();  in send()
431                 let oper = Operation::hook(token);  in recv()  localVariable
432                 self.receivers.register(oper, cx);  in recv()
445                         self.receivers.unregister(oper).unwrap();  in recv()
580     fn register(&self, oper: Operation, cx: &Context) -> bool {  in register()
581         self.0.receivers.register(oper, cx);  in register()
585     fn unregister(&self, oper: Operation) {  in unregister()
586         self.0.receivers.unregister(oper);  in unregister()
597     fn watch(&self, oper: Operation, cx: &Context) -> bool {  in watch()
598         self.0.receivers.watch(oper, cx);  in watch()
602     fn unwatch(&self, oper: Operation) {  in unwatch()
603         self.0.receivers.unwatch(oper);  in unwatch()
616     fn register(&self, oper: Operation, cx: &Context) -> bool {  in register()
617         self.0.senders.register(oper, cx);  in register()
621     fn unregister(&self, oper: Operation) {  in unregister()
622         self.0.senders.unregister(oper);  in unregister()
633     fn watch(&self, oper: Operation, cx: &Context) -> bool {  in watch()
634         self.0.senders.watch(oper, cx);  in watch()
638     fn unwatch(&self, oper: Operation) {  in unwatch()
639         self.0.senders.unwatch(oper);  in unwatch()