pub type PollResult<T, E> = Poll<Result<T, E>>;
A type alias of Poll<Result<T, E>>.
Poll<Result<T, E>>
pub enum PollResult<T, E> { Ready(Result<T, E>), Pending, }
The task has just been finished with a returned value of T.
T
The task is not ready and should be scheduled to be awoken by the executor.