Skip to main content

Labeled

Struct Labeled 

Source
pub struct Labeled<Fut> { /* private fields */ }
Expand description

A Future with custom labels attached.

This type is returned by the Label extension trait. See that trait’s documentation for details.

Trait Implementations§

Source§

impl<Fut, Ret> Future for Labeled<Fut>
where Fut: Future<Output = Ret>,

Source§

type Output = Ret

The type of value produced on completion.
Source§

fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output>

Attempts to resolve the future to a final value, registering the current task for wakeup if the value is not yet available. Read more
Source§

impl<'__pin, Fut> Unpin for Labeled<Fut>
where PinnedFieldsOf<__Origin<'__pin, Fut>>: Unpin,

Auto Trait Implementations§

§

impl<Fut> Freeze for Labeled<Fut>
where Fut: Freeze,

§

impl<Fut> RefUnwindSafe for Labeled<Fut>
where Fut: RefUnwindSafe,

§

impl<Fut> Send for Labeled<Fut>
where Fut: Send,

§

impl<Fut> !Sync for Labeled<Fut>

§

impl<Fut> UnwindSafe for Labeled<Fut>
where Fut: UnwindSafe,

Blanket Implementations§

Source§

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

Source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
Source§

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

Source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
Source§

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

Source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
Source§

impl<T> From<T> for T

Source§

fn from(t: T) -> T

Returns the argument unchanged.

Source§

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

Source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

Source§

impl<F> IntoFuture for F
where F: Future,

Source§

type Output = <F as Future>::Output

The output that the future will produce on completion.
Source§

type IntoFuture = F

Which kind of future are we turning this into?
Source§

fn into_future(self) -> <F as IntoFuture>::IntoFuture

Creates a future from a value. Read more
Source§

impl<Fut> Label for Fut
where Fut: Future,

Source§

fn with_current_labels(self) -> Labeled<Fut>

Attach the currently active labels to the future. Read more
Source§

fn with_label<K, V>(self, k: K, v: V) -> Labeled<Fut>
where K: AsRef<[u8]>, V: AsRef<[u8]>,

Attach a single label to the future. Read more
Source§

fn with_labels<I, K, V>(self, iter: I) -> Labeled<Fut>
where I: IntoIterator<Item = (K, V)>, K: AsRef<[u8]>, V: AsRef<[u8]>,

Attaches the specified labels to the future. Read more
Source§

fn with_labelset(self, labelset: Labelset) -> Labeled<Fut>

Attaches the specified labelset to the future. Read more
Source§

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

Source§

type Error = Infallible

The type returned in the event of a conversion error.
Source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
Source§

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

Source§

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

The type returned in the event of a conversion error.
Source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.