224     fn insert(&mut self, id: u32, scope: Scope, transferable: Transferable) {  in insert()  method
227             .insert(id, (scope, HalfState::Idle, transferable));  in insert()
229         assert!(self.droppable.insert(id));  in insert()
231             self.transferable.insert(id);  in insert()
266         let prev = self.in_use.insert(id, (payload, OpState::Pending));  in start()
272             assert!(self.cancellable.insert(id));  in start()
285             assert!(self.transferable.insert(id));  in stop()
287         assert!(self.droppable.insert(id));  in stop()
289             assert!(self.ready.insert(id));  in stop()
304         self.cancellable.insert(id);  in set_in_use_state_dropped()
486                 self.futures.readers.insert(id, scope, Transferable::Yes);  in generate()
487                 self.futures.writers.insert(id, scope, Transferable::No);  in generate()
535                     self.futures.readers.ready.insert(id);  in generate()
537                         self.futures.writers.ready.insert(id);  in generate()
654                     assert!(self.futures.writers.droppable.insert(id));  in generate()
675                 self.streams.readers.insert(id, scope, Transferable::Yes);  in generate()
676                 self.streams.writers.insert(id, scope, Transferable::No);  in generate()
727                     self.streams.readers.ready.insert(id);  in generate()
729                         self.streams.writers.ready.insert(id);  in generate()