[−][src]Struct tokio::prelude::future::Join4
Future for the join4
combinator, waiting for four futures to
complete.
This is created by the Future::join4
method.
Trait Implementations
impl<A, B, C, D> Future for Join4<A, B, C, D> where
A: Future,
B: Future<Error = <A as Future>::Error>,
C: Future<Error = <A as Future>::Error>,
D: Future<Error = <A as Future>::Error>,
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A: Future,
B: Future<Error = <A as Future>::Error>,
C: Future<Error = <A as Future>::Error>,
D: Future<Error = <A as Future>::Error>,
type Item = (<A as Future>::Item, <B as Future>::Item, <C as Future>::Item, <D as Future>::Item)
The type of value that this future will resolved with if it is successful. Read more
type Error = <A as Future>::Error
The type of error that this future will resolve with if it fails in a normal fashion. Read more
fn poll(
&mut self
) -> Result<Async<<Join4<A, B, C, D> as Future>::Item>, <Join4<A, B, C, D> as Future>::Error>
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&mut self
) -> Result<Async<<Join4<A, B, C, D> as Future>::Item>, <Join4<A, B, C, D> as Future>::Error>
fn wait(self) -> Result<Self::Item, Self::Error>
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fn map<F, U>(self, f: F) -> Map<Self, F> where
F: FnOnce(Self::Item) -> U,
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F: FnOnce(Self::Item) -> U,
fn map_err<F, E>(self, f: F) -> MapErr<Self, F> where
F: FnOnce(Self::Error) -> E,
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F: FnOnce(Self::Error) -> E,
fn from_err<E>(self) -> FromErr<Self, E> where
E: From<Self::Error>,
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E: From<Self::Error>,
fn then<F, B>(self, f: F) -> Then<Self, B, F> where
B: IntoFuture,
F: FnOnce(Result<Self::Item, Self::Error>) -> B,
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B: IntoFuture,
F: FnOnce(Result<Self::Item, Self::Error>) -> B,
fn and_then<F, B>(self, f: F) -> AndThen<Self, B, F> where
B: IntoFuture<Error = Self::Error>,
F: FnOnce(Self::Item) -> B,
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B: IntoFuture<Error = Self::Error>,
F: FnOnce(Self::Item) -> B,
fn or_else<F, B>(self, f: F) -> OrElse<Self, B, F> where
B: IntoFuture<Item = Self::Item>,
F: FnOnce(Self::Error) -> B,
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B: IntoFuture<Item = Self::Item>,
F: FnOnce(Self::Error) -> B,
fn select<B>(self, other: B) -> Select<Self, <B as IntoFuture>::Future> where
B: IntoFuture<Item = Self::Item, Error = Self::Error>,
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B: IntoFuture<Item = Self::Item, Error = Self::Error>,
fn select2<B>(self, other: B) -> Select2<Self, <B as IntoFuture>::Future> where
B: IntoFuture,
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B: IntoFuture,
fn join<B>(self, other: B) -> Join<Self, <B as IntoFuture>::Future> where
B: IntoFuture<Error = Self::Error>,
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B: IntoFuture<Error = Self::Error>,
fn join3<B, C>(
self,
b: B,
c: C
) -> Join3<Self, <B as IntoFuture>::Future, <C as IntoFuture>::Future> where
B: IntoFuture<Error = Self::Error>,
C: IntoFuture<Error = Self::Error>,
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self,
b: B,
c: C
) -> Join3<Self, <B as IntoFuture>::Future, <C as IntoFuture>::Future> where
B: IntoFuture<Error = Self::Error>,
C: IntoFuture<Error = Self::Error>,
fn join4<B, C, D>(
self,
b: B,
c: C,
d: D
) -> Join4<Self, <B as IntoFuture>::Future, <C as IntoFuture>::Future, <D as IntoFuture>::Future> where
B: IntoFuture<Error = Self::Error>,
C: IntoFuture<Error = Self::Error>,
D: IntoFuture<Error = Self::Error>,
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self,
b: B,
c: C,
d: D
) -> Join4<Self, <B as IntoFuture>::Future, <C as IntoFuture>::Future, <D as IntoFuture>::Future> where
B: IntoFuture<Error = Self::Error>,
C: IntoFuture<Error = Self::Error>,
D: IntoFuture<Error = Self::Error>,
fn join5<B, C, D, E>(
self,
b: B,
c: C,
d: D,
e: E
) -> Join5<Self, <B as IntoFuture>::Future, <C as IntoFuture>::Future, <D as IntoFuture>::Future, <E as IntoFuture>::Future> where
B: IntoFuture<Error = Self::Error>,
C: IntoFuture<Error = Self::Error>,
D: IntoFuture<Error = Self::Error>,
E: IntoFuture<Error = Self::Error>,
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self,
b: B,
c: C,
d: D,
e: E
) -> Join5<Self, <B as IntoFuture>::Future, <C as IntoFuture>::Future, <D as IntoFuture>::Future, <E as IntoFuture>::Future> where
B: IntoFuture<Error = Self::Error>,
C: IntoFuture<Error = Self::Error>,
D: IntoFuture<Error = Self::Error>,
E: IntoFuture<Error = Self::Error>,
fn into_stream(self) -> IntoStream<Self>
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fn flatten(self) -> Flatten<Self> where
Self::Item: IntoFuture,
<Self::Item as IntoFuture>::Error: From<Self::Error>,
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Self::Item: IntoFuture,
<Self::Item as IntoFuture>::Error: From<Self::Error>,
fn flatten_stream(self) -> FlattenStream<Self> where
Self::Item: Stream,
<Self::Item as Stream>::Error == Self::Error,
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Self::Item: Stream,
<Self::Item as Stream>::Error == Self::Error,
fn fuse(self) -> Fuse<Self>
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fn inspect<F>(self, f: F) -> Inspect<Self, F> where
F: FnOnce(&Self::Item),
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F: FnOnce(&Self::Item),
fn catch_unwind(self) -> CatchUnwind<Self> where
Self: UnwindSafe,
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Self: UnwindSafe,
fn shared(self) -> Shared<Self>
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impl<A, B, C, D> Debug for Join4<A, B, C, D> where
A: Future + Debug,
B: Future<Error = <A as Future>::Error> + Debug,
C: Future<Error = <A as Future>::Error> + Debug,
D: Future<Error = <A as Future>::Error> + Debug,
<A as Future>::Item: Debug,
<B as Future>::Item: Debug,
<C as Future>::Item: Debug,
<D as Future>::Item: Debug,
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A: Future + Debug,
B: Future<Error = <A as Future>::Error> + Debug,
C: Future<Error = <A as Future>::Error> + Debug,
D: Future<Error = <A as Future>::Error> + Debug,
<A as Future>::Item: Debug,
<B as Future>::Item: Debug,
<C as Future>::Item: Debug,
<D as Future>::Item: Debug,
Auto Trait Implementations
impl<A, B, C, D> Send for Join4<A, B, C, D> where
A: Send,
B: Send,
C: Send,
D: Send,
<A as Future>::Item: Send,
<B as Future>::Item: Send,
<C as Future>::Item: Send,
<D as Future>::Item: Send,
A: Send,
B: Send,
C: Send,
D: Send,
<A as Future>::Item: Send,
<B as Future>::Item: Send,
<C as Future>::Item: Send,
<D as Future>::Item: Send,
impl<A, B, C, D> Unpin for Join4<A, B, C, D> where
A: Unpin,
B: Unpin,
C: Unpin,
D: Unpin,
<A as Future>::Item: Unpin,
<B as Future>::Item: Unpin,
<C as Future>::Item: Unpin,
<D as Future>::Item: Unpin,
A: Unpin,
B: Unpin,
C: Unpin,
D: Unpin,
<A as Future>::Item: Unpin,
<B as Future>::Item: Unpin,
<C as Future>::Item: Unpin,
<D as Future>::Item: Unpin,
impl<A, B, C, D> Sync for Join4<A, B, C, D> where
A: Sync,
B: Sync,
C: Sync,
D: Sync,
<A as Future>::Item: Sync,
<B as Future>::Item: Sync,
<C as Future>::Item: Sync,
<D as Future>::Item: Sync,
A: Sync,
B: Sync,
C: Sync,
D: Sync,
<A as Future>::Item: Sync,
<B as Future>::Item: Sync,
<C as Future>::Item: Sync,
<D as Future>::Item: Sync,
impl<A, B, C, D> UnwindSafe for Join4<A, B, C, D> where
A: UnwindSafe,
B: UnwindSafe,
C: UnwindSafe,
D: UnwindSafe,
<A as Future>::Item: UnwindSafe,
<B as Future>::Item: UnwindSafe,
<C as Future>::Item: UnwindSafe,
<D as Future>::Item: UnwindSafe,
A: UnwindSafe,
B: UnwindSafe,
C: UnwindSafe,
D: UnwindSafe,
<A as Future>::Item: UnwindSafe,
<B as Future>::Item: UnwindSafe,
<C as Future>::Item: UnwindSafe,
<D as Future>::Item: UnwindSafe,
impl<A, B, C, D> RefUnwindSafe for Join4<A, B, C, D> where
A: RefUnwindSafe,
B: RefUnwindSafe,
C: RefUnwindSafe,
D: RefUnwindSafe,
<A as Future>::Item: RefUnwindSafe,
<B as Future>::Item: RefUnwindSafe,
<C as Future>::Item: RefUnwindSafe,
<D as Future>::Item: RefUnwindSafe,
A: RefUnwindSafe,
B: RefUnwindSafe,
C: RefUnwindSafe,
D: RefUnwindSafe,
<A as Future>::Item: RefUnwindSafe,
<B as Future>::Item: RefUnwindSafe,
<C as Future>::Item: RefUnwindSafe,
<D as Future>::Item: RefUnwindSafe,
Blanket Implementations
impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> From<T> for T
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
ⓘImportant traits for &'_ mut Wfn borrow_mut(&mut self) -> &mut T
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ⓘImportant traits for &'_ mut W
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<F> IntoFuture for F where
F: Future,
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F: Future,