uefi_async::nano_alloc::control::single::join

Struct Join

pub struct Join<H, T> {
    pub head: H,
    pub tail: T,
    pub head_done: bool,
    pub tail_done: bool,
}

Available on crate feature nano-alloc only.

Expand description

A Future that polls two sub-futures to completion.

This is the primitive building block for the join! macro. It stores the completion state of two futures and returns Ready only when both are done.

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§head: H§tail: T§head_done: bool§tail_done: bool

Trait Implementations§

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impl<H: Future<Output = ()>, T: Future<Output = ()>> Future for Join<H, T>

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type 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, H, T> Unpin for Join<H, T>
where PinnedFieldsOf<__Join<'pin, H, T>>: Unpin,

Auto Trait Implementations§

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impl<H, T> Freeze for Join<H, T>
where H: Freeze, T: Freeze,

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impl<H, T> RefUnwindSafe for Join<H, T>
where H: RefUnwindSafe, T: RefUnwindSafe,

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impl<H, T> Send for Join<H, T>
where H: Send, T: Send,

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impl<H, T> Sync for Join<H, T>
where H: Sync, T: Sync,

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impl<H, T> UnwindSafe for Join<H, T>
where H: UnwindSafe, T: 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<F> FutureExt for F
where F: Future + ?Sized,

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

A convenience for calling Future::poll() on !Unpin types.

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fn or<F>(self, other: F) -> Or<Self, F>
where Self: Sized, F: Future<Output = Self::Output>,

Returns the result of self or other future, preferring self if both are ready. Read more

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fn boxed<'a>(self) -> Pin<Box<dyn Future<Output = Self::Output> + Send + 'a>>
where Self: Sized + Send + 'a,

Available on crate feature alloc only.

Boxes the future and changes its type to dyn Future + Send + 'a. Read more

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fn boxed_local<'a>(self) -> Pin<Box<dyn Future<Output = Self::Output> + 'a>>
where Self: Sized + 'a,

Available on crate feature alloc only.

Boxes the future and changes its type to dyn Future + 'a. Read more

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impl<F1> FutureExt for F1
where F1: Future,

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fn join<F2>(self, other: F2) -> Join2<F1, <F2 as IntoFuture>::IntoFuture>
where F1: Future, F2: IntoFuture,

Wait for both futures to complete.

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fn race<T, S2>(self, other: S2) -> Race2<T, F1, <S2 as IntoFuture>::IntoFuture>
where F1: Future<Output = T>, S2: IntoFuture<Output = T>,

Wait for the first future to complete.

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fn wait_until<D>( self, deadline: D, ) -> WaitUntil<Self, <D as IntoFuture>::IntoFuture> ⓘ
where Self: Sized, D: IntoFuture,

Delay resolving the future until the given deadline. Read more

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impl<T, U> Into 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> Pointable for T

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const ALIGN: usize

The alignment of pointer.

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type Init = T

The type for initializers.

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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

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impl<T> Pointee for T

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type Metadata = ()

The metadata type for pointers and references to this type.

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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.

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

Performs the conversion.

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

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type Error = >::Error

The type returned in the event of a conversion error.

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

Performs the conversion.

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impl<F> _Timeout<'_> for F
where F: Future,

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fn timeout(self, duration_ticks: u64) -> Timeout<'bemly_, Self::Output> ⓘ
where Self: 'bemly_,

Available on crate feature nano-alloc only.

Wraps the future in a Timeout with the specified duration in hardware ticks.

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Join

Struct Join Copy item path

Fields§

Trait Implementations§

impl<H: Future<Output = ()>, T: Future<Output = ()>> Future for Join<H, T>

type Output = ()

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

impl<'pin, H, T> Unpin for Join<H, T>where PinnedFieldsOf<__Join<'pin, H, T>>: Unpin,

Auto Trait Implementations§

impl<H, T> Freeze for Join<H, T>where H: Freeze, T: Freeze,

impl<H, T> RefUnwindSafe for Join<H, T>where H: RefUnwindSafe, T: RefUnwindSafe,

impl<H, T> Send for Join<H, T>where H: Send, T: Send,

impl<H, T> Sync for Join<H, T>where H: Sync, T: Sync,

impl<H, T> UnwindSafe for Join<H, T>where H: UnwindSafe, T: UnwindSafe,

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<F> FutureExt for Fwhere F: Future + ?Sized,

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

fn or<F>(self, other: F) -> Or<Self, F>where Self: Sized, F: Future<Output = Self::Output>,

fn boxed<'a>(self) -> Pin<Box<dyn Future<Output = Self::Output> + Send + 'a>>where Self: Sized + Send + 'a,

fn boxed_local<'a>(self) -> Pin<Box<dyn Future<Output = Self::Output> + 'a>>where Self: Sized + 'a,

impl<F1> FutureExt for F1where F1: Future,

fn join<F2>(self, other: F2) -> Join2<F1, <F2 as IntoFuture>::IntoFuture>where F1: Future, F2: IntoFuture,

fn race<T, S2>(self, other: S2) -> Race2<T, F1, <S2 as IntoFuture>::IntoFuture>where F1: Future<Output = T>, S2: IntoFuture<Output = T>,

fn wait_until<D>( self, deadline: D, ) -> WaitUntil<Self, <D as IntoFuture>::IntoFuture> ⓘwhere Self: Sized, D: IntoFuture,

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> Pointable for T

const ALIGN: usize

type Init = T

unsafe fn init(init: <T as Pointable>::Init) -> usize

unsafe fn deref<'a>(ptr: usize) -> &'a T

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

unsafe fn drop(ptr: usize)

impl<T> Pointee for T

type Metadata = ()

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<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<F> _Timeout<'_> for Fwhere F: Future,

fn timeout(self, duration_ticks: u64) -> Timeout<'bemly_, Self::Output> ⓘwhere Self: 'bemly_,

impl<T> SafeFuture for Twhere T: Future<Output = ()> + 'static + Send + Sync,

Struct Join

impl<'pin, H, T> Unpin for Join<H, T>
where PinnedFieldsOf<__Join<'pin, H, T>>: Unpin,

impl<H, T> Freeze for Join<H, T>
where H: Freeze, T: Freeze,

impl<H, T> RefUnwindSafe for Join<H, T>
where H: RefUnwindSafe, T: RefUnwindSafe,

impl<H, T> Send for Join<H, T>
where H: Send, T: Send,

impl<H, T> Sync for Join<H, T>
where H: Sync, T: Sync,

impl<H, T> UnwindSafe for Join<H, T>
where H: UnwindSafe, T: UnwindSafe,

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

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

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

impl<F> FutureExt for F
where F: Future + ?Sized,

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

fn or<F>(self, other: F) -> Or<Self, F>
where Self: Sized, F: Future<Output = Self::Output>,

fn boxed<'a>(self) -> Pin<Box<dyn Future<Output = Self::Output> + Send + 'a>>
where Self: Sized + Send + 'a,

fn boxed_local<'a>(self) -> Pin<Box<dyn Future<Output = Self::Output> + 'a>>
where Self: Sized + 'a,

impl<F1> FutureExt for F1
where F1: Future,

fn join<F2>(self, other: F2) -> Join2<F1, <F2 as IntoFuture>::IntoFuture>
where F1: Future, F2: IntoFuture,

fn race<T, S2>(self, other: S2) -> Race2<T, F1, <S2 as IntoFuture>::IntoFuture>
where F1: Future<Output = T>, S2: IntoFuture<Output = T>,

fn wait_until<D>( self, deadline: D, ) -> WaitUntil<Self, <D as IntoFuture>::IntoFuture> ⓘ
where Self: Sized, D: IntoFuture,

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

impl<F> IntoFuture for F
where F: Future,

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

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

impl<F> _Timeout<'_> for F
where F: Future,

fn timeout(self, duration_ticks: u64) -> Timeout<'bemly_, Self::Output> ⓘ
where Self: 'bemly_,

impl<T> SafeFuture for T
where T: Future<Output = ()> + 'static + Send + Sync,