96                 Pin::new(&mut inner).start_send(item.take().unwrap())?;  in poll()
123         fn start_send(mut self: Pin<&mut Self>, item: Option<T>) -> Result<(), Self::Error> {  in start_send()  method
217         fn start_send(mut self: Pin<&mut Self>, item: T) -> Result<(), Self::Error> {  in start_send()  method
253     Pin::new(&mut s).start_send(0).unwrap();  in either_sink()
263     Pin::new(&mut v).start_send(0).unwrap();  in vec_sink()
264     Pin::new(&mut v).start_send(1).unwrap();  in vec_sink()
277     Pin::new(&mut deque).start_send(2).unwrap();  in vecdeque_sink()
278     Pin::new(&mut deque).start_send(3).unwrap();  in vecdeque_sink()
336         tx.start_send(0).unwrap();  in mpsc_blocking_start_send()
375     assert_eq!(Pin::new(&mut sink).start_send(0).ok(), Some(()));  in with_flush()
443             assert_eq!(tx.as_mut().start_send(0), Ok(()));  in with_propagates_poll_ready()
451             assert_eq!(tx.as_mut().start_send(1), Ok(()));  in with_propagates_poll_ready()
471         Pin::new(&mut sink).start_send(Some(0)).unwrap();  in with_flush_propagate()
473         Pin::new(&mut sink).start_send(Some(1)).unwrap();  in with_flush_propagate()
637         assert_eq!(Pin::new(&mut tx).start_send(()), Ok(()));  in sink_map_err()
643         Pin::new(&mut tx.sink_map_err(|_| ())).start_send(()),  in sink_map_err()
666         assert_eq!(unfold.as_mut().start_send(1), Ok(()));  in sink_unfold()
671         assert_eq!(unfold.as_mut().start_send(2), Ok(()));  in sink_unfold()
673         assert_eq!(unfold.as_mut().start_send(3), Ok(()));  in sink_unfold()
677         assert_eq!(unfold.as_mut().start_send(4), Ok(()));  in sink_unfold()
707         assert_eq!(Pin::new(&mut tx).start_send(()), Ok(()));  in err_into()
713         Pin::new(&mut tx.sink_err_into()).start_send(()),  in err_into()