Struct futures_util::future::TryJoin4

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pub struct TryJoin4<Fut1: TryFuture, Fut2: TryFuture, Fut3: TryFuture, Fut4: TryFuture> { /* private fields */ }

Expand description

Future for the try_join4 function.

Trait Implementations

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impl<Fut1, Fut2, Fut3, Fut4> Debug for TryJoin4<Fut1, Fut2, Fut3, Fut4>where
 Fut1: TryFuture + Debug,
 Fut1::Ok: Debug,
 Fut1::Error: Debug,
 Fut2: TryFuture + Debug,
 Fut2::Ok: Debug,
 Fut2::Error: Debug,
 Fut3: TryFuture + Debug,
 Fut3::Ok: Debug,
 Fut3::Error: Debug,
 Fut4: TryFuture + Debug,
 Fut4::Ok: Debug,
 Fut4::Error: 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, Fut2, Fut3, Fut4> Future for TryJoin4<Fut1, Fut2, Fut3, Fut4>where
 Fut1: TryFuture,
 Fut2: TryFuture<Error = Fut1::Error>,
 Fut3: TryFuture<Error = Fut1::Error>,
 Fut4: TryFuture<Error = Fut1::Error>,

type Output = Result<(<Fut1 as TryFuture>::Ok, <Fut2 as TryFuture>::Ok, <Fut3 as TryFuture>::Ok, <Fut4 as TryFuture>::Ok), <Fut1 as TryFuture>::Error>

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: TryFuture, Fut2: TryFuture, Fut3: TryFuture, Fut4: TryFuture> Unpin for TryJoin4<Fut1, Fut2, Fut3, Fut4>where
Origin<'__pin, Fut1, Fut2, Fut3, Fut4>: Unpin,

Auto Trait Implementations

impl<Fut1, Fut2, Fut3, Fut4> RefUnwindSafe for TryJoin4<Fut1, Fut2, Fut3, Fut4>where
 Fut1: RefUnwindSafe,
 Fut2: RefUnwindSafe,
 Fut3: RefUnwindSafe,
 Fut4: RefUnwindSafe,
 <Fut1 as TryFuture>::Ok: RefUnwindSafe,
 <Fut2 as TryFuture>::Ok: RefUnwindSafe,
 <Fut3 as TryFuture>::Ok: RefUnwindSafe,
 <Fut4 as TryFuture>::Ok: RefUnwindSafe,

impl<Fut1, Fut2, Fut3, Fut4> Send for TryJoin4<Fut1, Fut2, Fut3, Fut4>where
 Fut1: Send,
 Fut2: Send,
 Fut3: Send,
 Fut4: Send,
 <Fut1 as TryFuture>::Ok: Send,
 <Fut2 as TryFuture>::Ok: Send,
 <Fut3 as TryFuture>::Ok: Send,
 <Fut4 as TryFuture>::Ok: Send,

impl<Fut1, Fut2, Fut3, Fut4> Sync for TryJoin4<Fut1, Fut2, Fut3, Fut4>where
 Fut1: Sync,
 Fut2: Sync,
 Fut3: Sync,
 Fut4: Sync,
 <Fut1 as TryFuture>::Ok: Sync,
 <Fut2 as TryFuture>::Ok: Sync,
 <Fut3 as TryFuture>::Ok: Sync,
 <Fut4 as TryFuture>::Ok: Sync,

impl<Fut1, Fut2, Fut3, Fut4> UnwindSafe for TryJoin4<Fut1, Fut2, Fut3, Fut4>where
 Fut1: UnwindSafe,
 Fut2: UnwindSafe,
 Fut3: UnwindSafe,
 Fut4: UnwindSafe,
 <Fut1 as TryFuture>::Ok: UnwindSafe,
 <Fut2 as TryFuture>::Ok: UnwindSafe,
 <Fut3 as TryFuture>::Ok: UnwindSafe,
 <Fut4 as TryFuture>::Ok: 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 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,

type Output = <F as Future>::Output

The output that the future will produce on completion.

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 for Twhere
U: Into<T>,

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>::Error>

Performs the conversion.

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impl<F, T, E> TryFuture for Fwhere
F: Future<Output = Result<T, E>> + ?Sized,

type Ok = T

The type of successful values yielded by this future

type Error = E

The type of failures yielded by this future

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fn try_poll(
self: Pin<&mut F>,
cx: &mut Context<'_>
) -> Poll<<F as Future>::Output>

Poll this TryFuture as if it were a Future. Read more

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impl<T, U> TryInto for Twhere
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

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

Performs the conversion.

Struct futures_util::future::TryJoin4

Trait Implementations

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

impl<Fut1, Fut2, Fut3, Fut4> Future for TryJoin4<Fut1, Fut2, Fut3, Fut4>where
    Fut1: TryFuture,
    Fut2: TryFuture<Error = Fut1::Error>,
    Fut3: TryFuture<Error = Fut1::Error>,
    Fut4: TryFuture<Error = Fut1::Error>,

type Output = Result<(<Fut1 as TryFuture>::Ok, <Fut2 as TryFuture>::Ok, <Fut3 as TryFuture>::Ok, <Fut4 as TryFuture>::Ok), <Fut1 as TryFuture>::Error>

fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output>

impl<'pin, Fut1: TryFuture, Fut2: TryFuture, Fut3: TryFuture, Fut4: TryFuture> Unpin for TryJoin4<Fut1, Fut2, Fut3, Fut4>where
Origin<'__pin, Fut1, Fut2, Fut3, Fut4>: Unpin,

Auto Trait Implementations

impl<Fut1, Fut2, Fut3, Fut4> Send for TryJoin4<Fut1, Fut2, Fut3, Fut4>where
    Fut1: Send,
    Fut2: Send,
    Fut3: Send,
    Fut4: Send,
    <Fut1 as TryFuture>::Ok: Send,
    <Fut2 as TryFuture>::Ok: Send,
    <Fut3 as TryFuture>::Ok: Send,
    <Fut4 as TryFuture>::Ok: Send,

impl<Fut1, Fut2, Fut3, Fut4> Sync for TryJoin4<Fut1, Fut2, Fut3, Fut4>where
    Fut1: Sync,
    Fut2: Sync,
    Fut3: Sync,
    Fut4: Sync,
    <Fut1 as TryFuture>::Ok: Sync,
    <Fut2 as TryFuture>::Ok: Sync,
    <Fut3 as TryFuture>::Ok: Sync,
    <Fut4 as TryFuture>::Ok: Sync,

Blanket Implementations

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

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for Twhere
T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for Twhere
T: ?Sized,

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

impl<T> From<T> for T

fn from(t: T) -> T

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

fn into(self) -> U

impl<F> IntoFuture for Fwhere
F: Future,

type Output = <F as Future>::Output

type IntoFuture = F

fn into_future(self) -> <F as IntoFuture>::IntoFuture

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

type Error = Infallible

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

impl<F, T, E> TryFuture for Fwhere
F: Future<Output = Result<T, E>> + ?Sized,

type Ok = T

type Error = E

fn try_poll(
self: Pin<&mut F>,
cx: &mut Context<'_>
) -> Poll<<F as Future>::Output>

impl<T, U> TryInto<U> for Twhere
U: TryFrom<T>,

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

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

Struct futures_util::future::TryJoin4

Trait Implementations

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

impl<Fut1, Fut2, Fut3, Fut4> Future for TryJoin4<Fut1, Fut2, Fut3, Fut4>where Fut1: TryFuture, Fut2: TryFuture<Error = Fut1::Error>, Fut3: TryFuture<Error = Fut1::Error>, Fut4: TryFuture<Error = Fut1::Error>,

type Output = Result<(<Fut1 as TryFuture>::Ok, <Fut2 as TryFuture>::Ok, <Fut3 as TryFuture>::Ok, <Fut4 as TryFuture>::Ok), <Fut1 as TryFuture>::Error>

fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output>

impl<'__pin, Fut1: TryFuture, Fut2: TryFuture, Fut3: TryFuture, Fut4: TryFuture> Unpin for TryJoin4<Fut1, Fut2, Fut3, Fut4>where __Origin<'__pin, Fut1, Fut2, Fut3, Fut4>: Unpin,

Auto Trait Implementations

impl<Fut1, Fut2, Fut3, Fut4> Send for TryJoin4<Fut1, Fut2, Fut3, Fut4>where Fut1: Send, Fut2: Send, Fut3: Send, Fut4: Send, <Fut1 as TryFuture>::Ok: Send, <Fut2 as TryFuture>::Ok: Send, <Fut3 as TryFuture>::Ok: Send, <Fut4 as TryFuture>::Ok: Send,

impl<Fut1, Fut2, Fut3, Fut4> Sync for TryJoin4<Fut1, Fut2, Fut3, Fut4>where Fut1: Sync, Fut2: Sync, Fut3: Sync, Fut4: Sync, <Fut1 as TryFuture>::Ok: Sync, <Fut2 as TryFuture>::Ok: Sync, <Fut3 as TryFuture>::Ok: Sync, <Fut4 as TryFuture>::Ok: Sync,

Blanket Implementations

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

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for Twhere T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for Twhere T: ?Sized,

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

impl<T> From<T> for T

fn from(t: T) -> T

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

fn into(self) -> U

impl<F> IntoFuture for Fwhere F: Future,

type Output = <F as Future>::Output

type IntoFuture = F

fn into_future(self) -> <F as IntoFuture>::IntoFuture

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

type Error = Infallible

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

impl<F, T, E> TryFuture for Fwhere F: Future<Output = Result<T, E>> + ?Sized,

type Ok = T

type Error = E

fn try_poll( self: Pin<&mut F>, cx: &mut Context<'_>) -> Poll<<F as Future>::Output>

impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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

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

impl<Fut1, Fut2, Fut3, Fut4> Future for TryJoin4<Fut1, Fut2, Fut3, Fut4>where
Fut1: TryFuture,
Fut2: TryFuture<Error = Fut1::Error>,
Fut3: TryFuture<Error = Fut1::Error>,
Fut4: TryFuture<Error = Fut1::Error>,

impl<'pin, Fut1: TryFuture, Fut2: TryFuture, Fut3: TryFuture, Fut4: TryFuture> Unpin for TryJoin4<Fut1, Fut2, Fut3, Fut4>where
Origin<'__pin, Fut1, Fut2, Fut3, Fut4>: Unpin,

impl<Fut1, Fut2, Fut3, Fut4> Send for TryJoin4<Fut1, Fut2, Fut3, Fut4>where
Fut1: Send,
Fut2: Send,
Fut3: Send,
Fut4: Send,
<Fut1 as TryFuture>::Ok: Send,
<Fut2 as TryFuture>::Ok: Send,
<Fut3 as TryFuture>::Ok: Send,
<Fut4 as TryFuture>::Ok: Send,

impl<Fut1, Fut2, Fut3, Fut4> Sync for TryJoin4<Fut1, Fut2, Fut3, Fut4>where
Fut1: Sync,
Fut2: Sync,
Fut3: Sync,
Fut4: Sync,
<Fut1 as TryFuture>::Ok: Sync,
<Fut2 as TryFuture>::Ok: Sync,
<Fut3 as TryFuture>::Ok: Sync,
<Fut4 as TryFuture>::Ok: Sync,

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

impl<T> Borrow<T> for Twhere
T: ?Sized,

impl<T> BorrowMut<T> for Twhere
T: ?Sized,

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

impl<F> IntoFuture for Fwhere
F: Future,

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

impl<F, T, E> TryFuture for Fwhere
F: Future<Output = Result<T, E>> + ?Sized,

fn try_poll(
self: Pin<&mut F>,
cx: &mut Context<'_>
) -> Poll<<F as Future>::Output>

impl<T, U> TryInto<U> for Twhere
U: TryFrom<T>,