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Join3

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Struct Join3 

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pub struct Join3<A: Future, B: Future, C: Future> { /* private fields */ }
Expand description

Future returned by join3(). Future that polls three sub-futures and returns all outputs when complete.

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impl<A: Future, B: Future, C: Future> Future for Join3<A, B, C>

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type Output = (<A as Future>::Output, <B as Future>::Output, <C 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>

Attempts 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, A: Future, B: Future, C: Future> Unpin for Join3<A, B, C>
where PinnedFieldsOf<__Origin<'__pin, A, B, C>>: Unpin,

Auto Trait Implementations§

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impl<A, B, C> Freeze for Join3<A, B, C>
where A: Freeze, <A as Future>::Output: Freeze, B: Freeze, <B as Future>::Output: Freeze, C: Freeze, <C as Future>::Output: Freeze,

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impl<A, B, C> RefUnwindSafe for Join3<A, B, C>
where A: RefUnwindSafe, <A as Future>::Output: RefUnwindSafe, B: RefUnwindSafe, <B as Future>::Output: RefUnwindSafe, C: RefUnwindSafe, <C as Future>::Output: RefUnwindSafe,

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impl<A, B, C> Send for Join3<A, B, C>
where A: Send, <A as Future>::Output: Send, B: Send, <B as Future>::Output: Send, C: Send, <C as Future>::Output: Send,

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impl<A, B, C> Sync for Join3<A, B, C>
where A: Sync, <A as Future>::Output: Sync, B: Sync, <B as Future>::Output: Sync, C: Sync, <C as Future>::Output: Sync,

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impl<A, B, C> UnsafeUnpin for Join3<A, B, C>
where A: UnsafeUnpin, <A as Future>::Output: UnsafeUnpin, B: UnsafeUnpin, <B as Future>::Output: UnsafeUnpin, C: UnsafeUnpin, <C as Future>::Output: UnsafeUnpin,

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impl<A, B, C> UnwindSafe for Join3<A, B, C>
where A: UnwindSafe, <A as Future>::Output: UnwindSafe, B: UnwindSafe, <B as Future>::Output: UnwindSafe, C: UnwindSafe, <C as Future>::Output: UnwindSafe,

Blanket Implementations§

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impl<T> Any for T
where 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 T
where T: ?Sized,

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fn borrow(&self) -> &T

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

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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

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fn from(t: T) -> T

Returns the argument unchanged.

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

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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 F
where 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 T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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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 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.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.