Struct futures_util::stream::PollFn[−][src]

#[must_use = "streams do nothing unless polled"]pub struct PollFn<F> { /* fields omitted */ }
[−]

Stream for the poll_fn function.

Trait Implementations

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

impl<T, F> Stream for PollFn<F> where
    F: FnMut(&mut Context<'_>) -> Poll<Option<T>>, [src][+]

type Item = T

Values yielded by the stream.

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, [src][+]

impl<T> Borrow<T> for T where
    T: ?Sized, [src][+]

impl<T> BorrowMut<T> for T where
    T: ?Sized, [src][+]

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

impl<T, U> Into<U> for T where
    U: From<T>, [src][+]

impl<T, U> TryFrom<U> for T where
    U: Into<T>, [src][+]

type Error = Infallible

The type returned in the event of a conversion error.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, [src][+]

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

The type returned in the event of a conversion error.

impl<S, T, E> TryStream for S where
    S: Stream<Item = Result<T, E>> + ?Sized, [src][+]

type Ok = T

The type of successful values yielded by this future

type Error = E

The type of failures yielded by this future