Struct futures::stream::Peek [−][src]
Future for the Peekable::peek() function from Peekable
Trait Implementations
impl<'_, St> Debug for Peek<'_, St> where
St: Stream + Debug,
<St as Stream>::Item: Debug, [src]
St: Stream + Debug,
<St as Stream>::Item: Debug,
impl<'_, St> FusedFuture for Peek<'_, St> where
St: Stream, [src]
St: Stream,
pub fn is_terminated(&self) -> bool[src]
impl<'a, St> Future for Peek<'a, St> where
St: Stream, [src]
St: Stream,
type Output = Option<&'a <St as Stream>::Item>
The type of value produced on completion.
pub fn poll(
self: Pin<&mut Peek<'a, St>>,
cx: &mut Context<'_>
) -> Poll<<Peek<'a, St> as Future>::Output>[src]
self: Pin<&mut Peek<'a, St>>,
cx: &mut Context<'_>
) -> Poll<<Peek<'a, St> as Future>::Output>
impl<'__pin, 'a, St> Unpin for Peek<'a, St> where
St: Stream,
__Origin<'__pin, 'a, St>: Unpin, [src]
St: Stream,
__Origin<'__pin, 'a, St>: Unpin,
Auto Trait Implementations
impl<'a, St> RefUnwindSafe for Peek<'a, St> where
St: RefUnwindSafe,
<St as Stream>::Item: RefUnwindSafe,
St: RefUnwindSafe,
<St as Stream>::Item: RefUnwindSafe,
impl<'a, St> Send for Peek<'a, St> where
St: Send,
<St as Stream>::Item: Send,
St: Send,
<St as Stream>::Item: Send,
impl<'a, St> Sync for Peek<'a, St> where
St: Sync,
<St as Stream>::Item: Sync,
St: Sync,
<St as Stream>::Item: Sync,
impl<'a, St> !UnwindSafe for Peek<'a, St>
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<T> FutureExt for T where
T: Future + ?Sized, [src]
T: Future + ?Sized,
pub fn map<U, F>(self, f: F) -> Map<Self, F>ⓘ where
F: FnOnce(Self::Output) -> U, [src]
F: FnOnce(Self::Output) -> U,
pub fn map_into<U>(self) -> MapInto<Self, U>ⓘ where
Self::Output: Into<U>, [src]
Self::Output: Into<U>,
pub fn then<Fut, F>(self, f: F) -> Then<Self, Fut, F>ⓘ where
F: FnOnce(Self::Output) -> Fut,
Fut: Future, [src]
F: FnOnce(Self::Output) -> Fut,
Fut: Future,
pub fn left_future<B>(self) -> Either<Self, B>ⓘ where
B: Future<Output = Self::Output>, [src]
B: Future<Output = Self::Output>,
pub fn right_future<A>(self) -> Either<A, Self>ⓘ where
A: Future<Output = Self::Output>, [src]
A: Future<Output = Self::Output>,
pub fn into_stream(self) -> IntoStream<Self>[src]
pub fn flatten(self) -> Flatten<Self>ⓘ where
Self::Output: Future, [src]
Self::Output: Future,
pub fn flatten_stream(self) -> FlattenStream<Self> where
Self::Output: Stream, [src]
Self::Output: Stream,
pub fn fuse(self) -> Fuse<Self>ⓘ[src]
pub fn inspect<F>(self, f: F) -> Inspect<Self, F>ⓘ where
F: FnOnce(&Self::Output), [src]
F: FnOnce(&Self::Output),
pub fn catch_unwind(self) -> CatchUnwind<Self>ⓘNotable traits for CatchUnwind<Fut>
impl<Fut> Future for CatchUnwind<Fut> where
Fut: Future + UnwindSafe, type Output = Result<<Fut as Future>::Output, Box<dyn Any + 'static + Send, Global>>; where
Self: UnwindSafe, [src]
Notable traits for CatchUnwind<Fut>
impl<Fut> Future for CatchUnwind<Fut> where
Fut: Future + UnwindSafe, type Output = Result<<Fut as Future>::Output, Box<dyn Any + 'static + Send, Global>>;Self: UnwindSafe,
pub fn shared(self) -> Shared<Self>ⓘ where
Self::Output: Clone, [src]
Self::Output: Clone,
pub fn remote_handle(self) -> (Remote<Self>, RemoteHandle<Self::Output>)[src]
pub fn boxed<'a>(
self
) -> Pin<Box<dyn Future<Output = Self::Output> + 'a + Send, Global>>ⓘ where
Self: Send + 'a, [src]
self
) -> Pin<Box<dyn Future<Output = Self::Output> + 'a + Send, Global>>ⓘ where
Self: Send + 'a,
pub fn boxed_local<'a>(
self
) -> Pin<Box<dyn Future<Output = Self::Output> + 'a, Global>>ⓘ where
Self: 'a, [src]
self
) -> Pin<Box<dyn Future<Output = Self::Output> + 'a, Global>>ⓘ where
Self: 'a,
pub fn unit_error(self) -> UnitError<Self>ⓘ[src]
pub fn never_error(self) -> NeverError<Self>ⓘNotable traits for NeverError<Fut>
impl<Fut> Future for NeverError<Fut> where
Map<Fut, OkFn<Infallible>>: Future, type Output = <Map<Fut, OkFn<Infallible>> as Future>::Output;[src]
Notable traits for NeverError<Fut>
impl<Fut> Future for NeverError<Fut> where
Map<Fut, OkFn<Infallible>>: Future, type Output = <Map<Fut, OkFn<Infallible>> as Future>::Output;pub fn poll_unpin(&mut self, cx: &mut Context<'_>) -> Poll<Self::Output> where
Self: Unpin, [src]
Self: Unpin,
pub fn now_or_never(self) -> Option<Self::Output>[src]
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>,