Struct futures_util::future::Join4

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pub struct Join4<Fut1: Future, Fut2: Future, Fut3: Future, Fut4: Future> { /* private fields */ }
Expand description

Future for the join4 function.

Trait Implementations§

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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,

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl<Fut1: FusedFuture, Fut2: FusedFuture, Fut3: FusedFuture, Fut4: FusedFuture> FusedFuture for Join4<Fut1, Fut2, Fut3, Fut4>

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fn is_terminated(&self) -> bool

Returns true if the underlying future should no longer be polled.
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impl<Fut1: Future, Fut2: Future, Fut3: Future, Fut4: Future> Future for Join4<Fut1, Fut2, Fut3, Fut4>

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type Output = (<Fut1 as Future>::Output, <Fut2 as Future>::Output, <Fut3 as Future>::Output, <Fut4 as Future>::Output)

The type of value produced on completion.
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fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output>

Attempt to resolve the future to a final value, registering the current task for wakeup if the value is not yet available. Read more
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impl<'__pin, Fut1: Future, Fut2: Future, Fut3: Future, Fut4: Future> Unpin for Join4<Fut1, Fut2, Fut3, Fut4>where __Origin<'__pin, Fut1, Fut2, Fut3, Fut4>: Unpin,

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

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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,

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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,

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

Blanket Implementations§

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for Twhere T: ?Sized,

const: unstable · source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for Twhere T: ?Sized,

const: unstable · source§

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

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

const: unstable · source§

fn from(t: T) -> T

Returns the argument unchanged.

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

const: unstable · 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.

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impl<F> IntoFuture for Fwhere F: Future,

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type Output = <F as Future>::Output

The output that the future will produce on completion.
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type IntoFuture = F

Which kind of future are we turning this into?
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fn into_future(self) -> <F as IntoFuture>::IntoFuture

Creates a future from a value. Read more
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impl<T, U> TryFrom<U> for Twhere U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
const: unstable · source§

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

Performs the conversion.
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impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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

The type returned in the event of a conversion error.
const: unstable · source§

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

Performs the conversion.