Struct futures::future::PollFn[][src]

#[must_use = "futures do nothing unless you `.await` or poll them"]pub struct PollFn<F> { /* fields omitted */ }

Future for the poll_fn function.

Trait Implementations

impl<F> Debug for PollFn<F>[src]

impl<T, F> Future for PollFn<F> where
    F: FnMut(&mut Context<'_>) -> Poll<T>, 

type Output = T

The type of value produced on completion.

impl<F> Unpin for PollFn<F>[src]

Auto Trait Implementations

impl<F> RefUnwindSafe for PollFn<F> where
    F: RefUnwindSafe

impl<F> Send for PollFn<F> where
    F: Send

impl<F> Sync for PollFn<F> where
    F: Sync

impl<F> UnwindSafe for PollFn<F> where
    F: UnwindSafe

Blanket Implementations

impl<T> Any for T where
    T: 'static + ?Sized

impl<T> Borrow<T> for T where
    T: ?Sized

impl<T> BorrowMut<T> for T where
    T: ?Sized

impl<T> From<T> for T[src]

impl<T> FutureExt for T where
    T: Future + ?Sized

impl<T, U> Into<U> for T where
    U: From<T>, 

impl<F> IntoFuture for F where
    F: Future

type Output = <F as Future>::Output

🔬 This is a nightly-only experimental API. (into_future)

The output that the future will produce on completion.

type Future = F

🔬 This is a nightly-only experimental API. (into_future)

Which kind of future are we turning this into?

impl<T, U> TryFrom<U> for T where
    U: Into<T>, 

type Error = Infallible

The type returned in the event of a conversion error.

impl<F, T, E> TryFuture for F where
    F: Future<Output = Result<T, E>> + ?Sized

type Ok = T

The type of successful values yielded by this future

type Error = E

The type of failures yielded by this future

impl<Fut> TryFutureExt for Fut where
    Fut: TryFuture + ?Sized

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, 

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.