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

#[must_use = "futures do nothing unless polled"]
pub struct AndThen<A, B, F> where
    A: Future,
    B: IntoFuture
{ /* fields omitted */ }

Future for the and_then combinator, chaining a computation onto the end of another future which completes successfully.

This is created by the Future::and_then method.

Trait Implementations

impl<A, B, F> Future for AndThen<A, B, F> where
    A: Future,
    B: IntoFuture<Error = <A as Future>::Error>,
    F: FnOnce(<A as Future>::Item) -> B, 
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type Item = <B as IntoFuture>::Item

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

type Error = <B as IntoFuture>::Error

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

impl<A, B, F> Debug for AndThen<A, B, F> where
    A: Debug + Future,
    B: Debug + IntoFuture,
    F: Debug,
    <B as IntoFuture>::Future: Debug
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Auto Trait Implementations

impl<A, B, F> Send for AndThen<A, B, F> where
    A: Send,
    F: Send,
    <B as IntoFuture>::Future: Send

impl<A, B, F> Unpin for AndThen<A, B, F> where
    A: Unpin,
    F: Unpin,
    <B as IntoFuture>::Future: Unpin

impl<A, B, F> Sync for AndThen<A, B, F> where
    A: Sync,
    F: Sync,
    <B as IntoFuture>::Future: Sync

impl<A, B, F> UnwindSafe for AndThen<A, B, F> where
    A: UnwindSafe,
    F: UnwindSafe,
    <B as IntoFuture>::Future: UnwindSafe

impl<A, B, F> RefUnwindSafe for AndThen<A, B, F> where
    A: RefUnwindSafe,
    F: RefUnwindSafe,
    <B as IntoFuture>::Future: 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.