7 use std::task::{Context, Poll, ready};
13     fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<()>;  in poll_ready()  argument
17     fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<()> {  in poll_ready()  argument
23     fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<()> {  in poll_ready()  argument
116     ) -> Poll<io::Result<()>> {  in poll_read()
120                 Poll::Ready(Ok(()))  in poll_read()
122             Some(Err(e)) => Poll::Ready(Err(e)),  in poll_read()
125             None => Poll::Ready(Ok(())),  in poll_read()
222     ) -> Poll<io::Result<usize>> {  in poll_write()
224             Some(Ok(())) => Poll::Ready(Ok(buf.len())),  in poll_write()
225             Some(Err(e)) => Poll::Ready(Err(e)),  in poll_write()
226             None => Poll::Ready(Ok(0)),  in poll_write()
229     fn poll_flush(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<io::Result<()>> {  in poll_flush()
231             Some(result) => Poll::Ready(result),  in poll_flush()
232             None => Poll::Ready(Ok(())),  in poll_flush()
235     fn poll_shutdown(self: Pin<&mut Self>, _cx: &mut Context<'_>) -> Poll<io::Result<()>> {  in poll_shutdown()
236         Poll::Ready(Ok(()))  in poll_shutdown()
265     ) -> Poll<Option<io::Result<T>>> {  in poll()
283             None => return Poll::Ready(None),  in poll()
289             Poll::Ready(()) => {}  in poll()
293             Poll::Pending => {  in poll()
295                 return Poll::Pending;  in poll()
305                 Poll::Ready(Some(Ok(result)))  in poll()
310             Err(p2::StreamError::Closed) => Poll::Ready(None),  in poll()
317                 Poll::Ready(Some(Err(e.downcast().unwrap())))  in poll()