Struct futures_util::stream::Peek [−][src]
Future for the Peekable::peek() function from Peekable
Trait Implementations
impl<St> Debug for Peek<'_, St> where
St: Stream + Debug,
St::Item: Debug, [src]
St: Stream + Debug,
St::Item: Debug,
impl<St: Stream> FusedFuture for Peek<'_, St>[src]
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::Item>
The type of value produced on completion.
fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output>[src]
impl<'__pin, 'a, St: Stream> Unpin for Peek<'a, St> where
__Origin<'__pin, 'a, St>: Unpin, [src]
__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, 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>,