9 pub struct Ready<T>(Option<T>);  struct
11 impl<T> Ready<T> {  impl
19 impl<T> Unpin for Ready<T> {}  implementation
21 impl<T> FusedFuture for Ready<T> {  implementation
27 impl<T> Future for Ready<T> {  implementation
32         Poll::Ready(self.0.take().expect("Ready polled after completion"))  in poll()
48 pub fn ready<T>(t: T) -> Ready<T> {  in ready()
49     assert_future::<T, _>(Ready(Some(t)))  in ready()
64 pub fn ok<T, E>(t: T) -> Ready<Result<T, E>> {  in ok()
65     Ready(Some(Ok(t)))  in ok()
80 pub fn err<T, E>(err: E) -> Ready<Result<T, E>> {  in err()
81     Ready(Some(Err(err)))  in err()