[][src]Struct tokio::prelude::future::Select2

#[must_use = "futures do nothing unless polled"]
pub struct Select2<A, B> { /* fields omitted */ }

Future for the select2 combinator, waiting for one of two differently-typed futures to complete.

This is created by the Future::select2 method.

Trait Implementations

impl<A, B> Future for Select2<A, B> where
    A: Future,
    B: Future
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type Item = Either<(<A as Future>::Item, B), (<B as Future>::Item, A)>

The type of value that this future will resolved with if it is successful. Read more

type Error = Either<(<A as Future>::Error, B), (<B as Future>::Error, A)>

The type of error that this future will resolve with if it fails in a normal fashion. Read more

impl<A, B> Debug for Select2<A, B> where
    A: Debug,
    B: Debug
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Auto Trait Implementations

impl<A, B> Send for Select2<A, B> where
    A: Send,
    B: Send

impl<A, B> Unpin for Select2<A, B> where
    A: Unpin,
    B: Unpin

impl<A, B> Sync for Select2<A, B> where
    A: Sync,
    B: Sync

impl<A, B> UnwindSafe for Select2<A, B> where
    A: UnwindSafe,
    B: UnwindSafe

impl<A, B> RefUnwindSafe for Select2<A, B> where
    A: RefUnwindSafe,
    B: RefUnwindSafe

Blanket Implementations

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

impl<T, U> TryFrom<U> for T where
    U: Into<T>, 
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type Error = Infallible

The type returned in the event of a conversion error.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, 
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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

impl<T> BorrowMut<T> for T where
    T: ?Sized
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impl<T> Borrow<T> for T where
    T: ?Sized
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impl<T> Any for T where
    T: 'static + ?Sized
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impl<F> IntoFuture for F where
    F: Future
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type Future = F

The future that this type can be converted into.

type Item = <F as Future>::Item

The item that the future may resolve with.

type Error = <F as Future>::Error

The error that the future may resolve with.