68     fn poll_ready(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>>;  in poll_ready()
89     fn start_send(self: Pin<&mut Self>, item: Item) -> Result<(), Self::Error>;  in start_send()
103     fn poll_flush(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>>;  in poll_flush()
116     fn poll_close(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>>;  in poll_close()
122     fn poll_ready(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {  in poll_ready()
126     fn start_send(mut self: Pin<&mut Self>, item: Item) -> Result<(), Self::Error> {  in start_send()
130     fn poll_flush(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {  in poll_flush()
134     fn poll_close(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {  in poll_close()
146     fn poll_ready(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {  in poll_ready()
150     fn start_send(self: Pin<&mut Self>, item: Item) -> Result<(), Self::Error> {  in start_send()
154     fn poll_flush(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {  in poll_flush()
158     fn poll_close(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {  in poll_close()
171         fn poll_ready(self: Pin<&mut Self>, _: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {  in poll_ready()
175         fn start_send(self: Pin<&mut Self>, item: T) -> Result<(), Self::Error> {  in start_send()
181         fn poll_flush(self: Pin<&mut Self>, _: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {  in poll_flush()
185         fn poll_close(self: Pin<&mut Self>, _: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {  in poll_close()
193         fn poll_ready(self: Pin<&mut Self>, _: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {  in poll_ready()
197         fn start_send(self: Pin<&mut Self>, item: T) -> Result<(), Self::Error> {  in start_send()
203         fn poll_flush(self: Pin<&mut Self>, _: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {  in poll_flush()
207         fn poll_close(self: Pin<&mut Self>, _: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {  in poll_close()
218         ) -> Poll<Result<(), Self::Error>> {  in poll_ready()
222         fn start_send(mut self: Pin<&mut Self>, item: Item) -> Result<(), Self::Error> {  in start_send()
229         ) -> Poll<Result<(), Self::Error>> {  in poll_flush()
236         ) -> Poll<Result<(), Self::Error>> {  in poll_close()