[][src]Struct futures_util::future::Join4

#[must_use = "futures do nothing unless polled"]
pub struct Join4<Fut1: Future, Fut2: Future, Fut3: Future, Fut4: Future> { /* fields omitted */ }

Future for the join4 function.

Trait Implementations

impl<Fut1, Fut2, Fut3, Fut4> Debug for Join4<Fut1, Fut2, Fut3, Fut4> where
    Fut1: Future + Debug,
    Fut1::Output: Debug,
    Fut2: Future + Debug,
    Fut2::Output: Debug,
    Fut3: Future + Debug,
    Fut3::Output: Debug,
    Fut4: Future + Debug,
    Fut4::Output: Debug
[src]

impl<Fut1: Future, Fut2: Future, Fut3: Future, Fut4: Future> Future for Join4<Fut1, Fut2, Fut3, Fut4>[src]

type Output = (Fut1::Output, Fut2::Output, Fut3::Output, Fut4::Output)

The type of value produced on completion.

Auto Trait Implementations

impl<Fut1, Fut2, Fut3, Fut4> Send for Join4<Fut1, Fut2, Fut3, Fut4> where
    Fut1: Send,
    Fut2: Send,
    Fut3: Send,
    Fut4: Send,
    <Fut1 as Future>::Output: Send,
    <Fut2 as Future>::Output: Send,
    <Fut3 as Future>::Output: Send,
    <Fut4 as Future>::Output: Send

impl<Fut1, Fut2, Fut3, Fut4> Sync for Join4<Fut1, Fut2, Fut3, Fut4> where
    Fut1: Sync,
    Fut2: Sync,
    Fut3: Sync,
    Fut4: Sync,
    <Fut1 as Future>::Output: Sync,
    <Fut2 as Future>::Output: Sync,
    <Fut3 as Future>::Output: Sync,
    <Fut4 as Future>::Output: Sync

Blanket Implementations

impl<T> FutureExt for T where
    T: Future + ?Sized
[src]

Important traits for Map<Fut, F>
fn map<U, F>(self, f: F) -> Map<Self, F> where
    F: FnOnce(Self::Output) -> U,
    Self: Sized
[src]

Map this future's output to a different type, returning a new future of the resulting type. Read more

Important traits for Then<Fut1, Fut2, F>
fn then<Fut, F>(self, f: F) -> Then<Self, Fut, F> where
    F: FnOnce(Self::Output) -> Fut,
    Fut: Future,
    Self: Sized
[src]

Chain on a computation for when a future finished, passing the result of the future to the provided closure f. Read more

Important traits for Either<A, B>
fn left_future<B>(self) -> Either<Self, B> where
    B: Future<Output = Self::Output>,
    Self: Sized
[src]

Wrap this future in an Either future, making it the left-hand variant of that Either. Read more

Important traits for Either<A, B>
fn right_future<A>(self) -> Either<A, Self> where
    A: Future<Output = Self::Output>,
    Self: Sized
[src]

Wrap this future in an Either future, making it the right-hand variant of that Either. Read more

fn into_stream(self) -> IntoStream<Self> where
    Self: Sized
[src]

Convert this future into a single element stream. Read more

Important traits for Flatten<Fut>
fn flatten(self) -> Flatten<Self> where
    Self::Output: Future,
    Self: Sized
[src]

Flatten the execution of this future when the successful result of this future is itself another future. Read more

fn flatten_stream(self) -> FlattenStream<Self> where
    Self::Output: Stream,
    Self: Sized
[src]

Flatten the execution of this future when the successful result of this future is a stream. Read more

Important traits for Fuse<Fut>
fn fuse(self) -> Fuse<Self> where
    Self: Sized
[src]

Fuse a future such that poll will never again be called once it has completed. This method can be used to turn any Future into a FusedFuture. Read more

Important traits for Inspect<Fut, F>
fn inspect<F>(self, f: F) -> Inspect<Self, F> where
    F: FnOnce(&Self::Output),
    Self: Sized
[src]

Do something with the output of a future before passing it on. Read more

Important traits for CatchUnwind<Fut>
fn catch_unwind(self) -> CatchUnwind<Self> where
    Self: Sized + UnwindSafe
[src]

Catches unwinding panics while polling the future. Read more

Important traits for Shared<Fut>
fn shared(self) -> Shared<Self> where
    Self: Sized,
    Self::Output: Clone
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Create a cloneable handle to this future where all handles will resolve to the same result. Read more

fn remote_handle(self) -> (Remote<Self>, RemoteHandle<Self::Output>) where
    Self: Sized
[src]

Turn this future into a future that yields () on completion and sends its output to another future on a separate task. Read more

fn boxed<'a>(self) -> BoxFuture<'a, Self::Output> where
    Self: Sized + Send + 'a, 
[src]

Wrap the future in a Box, pinning it.

Important traits for UnitError<Fut>
fn unit_error(self) -> UnitError<Self> where
    Self: Sized
[src]

Turns a Future<Output = T> into a TryFuture<Ok = T, Error = ()>. Read more

Important traits for NeverError<Fut>
fn never_error(self) -> NeverError<Self> where
    Self: Sized
[src]

Turns a Future<Output = T> into a TryFuture<Ok = T, Error = !>. Read more

fn poll_unpin(&mut self, cx: &mut Context) -> Poll<Self::Output> where
    Self: Unpin + Sized
[src]

A convenience for calling Future::poll on Unpin future types.

impl<T> From for T[src]

impl<T, U> Into for T where
    U: From<T>, 
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impl<T, U> TryFrom 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> Borrow for T where
    T: ?Sized
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impl<T> Any for T where
    T: 'static + ?Sized
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impl<T> BorrowMut for T where
    T: ?Sized
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impl<T, U> TryInto for T where
    U: TryFrom<T>, 
[src]

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

The type returned in the event of a conversion error.