Struct futures_lite::future::PollOnce [−][src]
Future for the poll_once() function.
Trait Implementations
impl<F> Debug for PollOnce<F>[src]
impl<T, F> Future for PollOnce<F> where
F: Future<Output = T>, [src]
F: Future<Output = T>,
type Output = Option<T>
The type of value produced on completion.
fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output>[src]
impl<'__pin, F> Unpin for PollOnce<F> where
__Origin<'__pin, F>: Unpin, [src]
__Origin<'__pin, F>: Unpin,
Auto Trait Implementations
impl<F> RefUnwindSafe for PollOnce<F> where
F: RefUnwindSafe,
F: RefUnwindSafe,
impl<F> Send for PollOnce<F> where
F: Send,
F: Send,
impl<F> Sync for PollOnce<F> where
F: Sync,
F: Sync,
impl<F> UnwindSafe for PollOnce<F> where
F: UnwindSafe,
F: UnwindSafe,
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized, [src]
T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized, [src]
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized, [src]
T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T[src]
impl<T> From<T> for T[src]
impl<F> FutureExt for F where
F: Future + ?Sized, [src]
F: Future + ?Sized,
fn poll(&mut self, cx: &mut Context<'_>) -> Poll<Self::Output> where
Self: Unpin, [src]
Self: Unpin,
fn or<F>(self, other: F) -> Or<Self, F>ⓘ where
Self: Sized,
F: Future<Output = Self::Output>, [src]
Self: Sized,
F: Future<Output = Self::Output>,
fn race<F>(self, other: F) -> Race<Self, F>ⓘ where
Self: Sized,
F: Future<Output = Self::Output>, [src]
Self: Sized,
F: Future<Output = Self::Output>,
fn catch_unwind(self) -> CatchUnwind<Self>ⓘNotable traits for CatchUnwind<F>
impl<F: Future + UnwindSafe> Future for CatchUnwind<F> type Output = Result<F::Output, Box<dyn Any + Send>>; where
Self: Sized + UnwindSafe, [src]
Notable traits for CatchUnwind<F>
impl<F: Future + UnwindSafe> Future for CatchUnwind<F> type Output = Result<F::Output, Box<dyn Any + Send>>;Self: Sized + UnwindSafe,
fn boxed<'a>(self) -> Pin<Box<dyn Future<Output = Self::Output> + Send + 'a>> where
Self: Sized + Send + 'a, [src]
Self: Sized + Send + 'a,
fn boxed_local<'a>(self) -> Pin<Box<dyn Future<Output = Self::Output> + 'a>> where
Self: Sized + 'a, [src]
Self: Sized + 'a,
impl<T, U> Into<U> for T where
U: From<T>, [src]
U: From<T>,
impl<F> IntoFuture for F where
F: Future, [src]
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?
pub fn into_future(self) -> <F as IntoFuture>::Future[src]
impl<T, U> TryFrom<U> for T where
U: Into<T>, [src]
U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>[src]
impl<T, U> TryInto<U> for T where
U: TryFrom<T>, [src]
U: TryFrom<T>,