9 impl Future for Sleep {
12 fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
38 impl Future for MyFuture {
41 fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
43 //~^ ERROR no method named `poll` found for struct `Sleep` in the current scope