Enum TryGet

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pub enum TryGet<H, R, E> {
    Ready(TaskResult<R, E>),
    Pending(H),
}

Expand description

Result of a non-blocking attempt to retrieve a task result.

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Ready(TaskResult<R, E>)

The task result is ready.

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Pending(H)

The task has not completed and the handle is returned to the caller.

Auto Trait Implementations§

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impl<H, R, E> Freeze for TryGet<H, R, E>
where H: Freeze, R: Freeze, E: Freeze,

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impl<H, R, E> RefUnwindSafe for TryGet<H, R, E>
where H: RefUnwindSafe, R: RefUnwindSafe, E: RefUnwindSafe,

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impl<H, R, E> UnsafeUnpin for TryGet<H, R, E>
where H: UnsafeUnpin, R: UnsafeUnpin, E: UnsafeUnpin,

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impl<H, R, E> UnwindSafe for TryGet<H, R, E>
where H: UnwindSafe, R: UnwindSafe, E: 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> DropFlavorWrapper<T> for T

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type Flavor = MayDrop

The DropFlavor that wraps T into Self

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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, W> HasTypeWitness<W> for T
where W: MakeTypeWitness<Arg = T>, T: ?Sized,

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const WITNESS: W = W::MAKE

A constant of the type witness

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

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const TYPE_EQ: TypeEq<T, <T as Identity>::Type> = TypeEq::NEW

Proof that Self is the same type as Self::Type, provides methods for casting between Self and Self::Type.

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type Type = T

The same type as Self, used to emulate type equality bounds (T == U) with associated type equality constraints (T: Identity<Type = U>).

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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<T> IntoResult<T> for T

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type Err = Infallible

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fn into_result(self) -> Result<T, <T as IntoResult<T>>::Err>

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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.

TryGet

Enum TryGet

Variants§

Ready(TaskResult<R, E>)

Pending(H)

Auto Trait Implementations§

impl<H, R, E> Freeze for TryGet<H, R, E>
where H: Freeze, R: Freeze, E: Freeze,

impl<H, R, E> RefUnwindSafe for TryGet<H, R, E>
where H: RefUnwindSafe, R: RefUnwindSafe, E: RefUnwindSafe,

impl<H, R, E> Send for TryGet<H, R, E>
where H: Send, R: Send, E: Send,

impl<H, R, E> Sync for TryGet<H, R, E>
where H: Sync, R: Sync, E: Sync,

impl<H, R, E> Unpin for TryGet<H, R, E>
where H: Unpin, R: Unpin, E: Unpin,

impl<H, R, E> UnsafeUnpin for TryGet<H, R, E>
where H: UnsafeUnpin, R: UnsafeUnpin, E: UnsafeUnpin,

impl<H, R, E> UnwindSafe for TryGet<H, R, E>
where H: UnwindSafe, R: UnwindSafe, E: UnwindSafe,

Blanket Implementations§

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

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

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

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

impl<T> DropFlavorWrapper<T> for T

type Flavor = MayDrop

impl<T> From<T> for T

fn from(t: T) -> T

impl<T, W> HasTypeWitness<W> for T
where W: MakeTypeWitness<Arg = T>, T: ?Sized,

const WITNESS: W = W::MAKE

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

const TYPE_EQ: TypeEq<T, <T as Identity>::Type> = TypeEq::NEW

type Type = T

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

fn into(self) -> U

impl<T> IntoResult<T> for T

type Err = Infallible

fn into_result(self) -> Result<T, <T as IntoResult<T>>::Err>

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

type Error = Infallible

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

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

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

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

TryGet

Enum TryGet Copy item path

Variants§

Ready(TaskResult<R, E>)

Pending(H)

Auto Trait Implementations§

impl<H, R, E> Freeze for TryGet<H, R, E>where H: Freeze, R: Freeze, E: Freeze,

impl<H, R, E> RefUnwindSafe for TryGet<H, R, E>where H: RefUnwindSafe, R: RefUnwindSafe, E: RefUnwindSafe,

impl<H, R, E> Send for TryGet<H, R, E>where H: Send, R: Send, E: Send,

impl<H, R, E> Sync for TryGet<H, R, E>where H: Sync, R: Sync, E: Sync,

impl<H, R, E> Unpin for TryGet<H, R, E>where H: Unpin, R: Unpin, E: Unpin,

impl<H, R, E> UnsafeUnpin for TryGet<H, R, E>where H: UnsafeUnpin, R: UnsafeUnpin, E: UnsafeUnpin,

impl<H, R, E> UnwindSafe for TryGet<H, R, E>where H: UnwindSafe, R: UnwindSafe, E: 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> DropFlavorWrapper<T> for T

type Flavor = MayDrop

impl<T> From<T> for T

fn from(t: T) -> T

impl<T, W> HasTypeWitness<W> for Twhere W: MakeTypeWitness<Arg = T>, T: ?Sized,

const WITNESS: W = W::MAKE

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

const TYPE_EQ: TypeEq<T, <T as Identity>::Type> = TypeEq::NEW

type Type = T

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

fn into(self) -> U

impl<T> IntoResult<T> for T

type Err = Infallible

fn into_result(self) -> Result<T, <T as IntoResult<T>>::Err>

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>

Enum TryGet

impl<H, R, E> Freeze for TryGet<H, R, E>
where H: Freeze, R: Freeze, E: Freeze,

impl<H, R, E> RefUnwindSafe for TryGet<H, R, E>
where H: RefUnwindSafe, R: RefUnwindSafe, E: RefUnwindSafe,

impl<H, R, E> Send for TryGet<H, R, E>
where H: Send, R: Send, E: Send,

impl<H, R, E> Sync for TryGet<H, R, E>
where H: Sync, R: Sync, E: Sync,

impl<H, R, E> Unpin for TryGet<H, R, E>
where H: Unpin, R: Unpin, E: Unpin,

impl<H, R, E> UnsafeUnpin for TryGet<H, R, E>
where H: UnsafeUnpin, R: UnsafeUnpin, E: UnsafeUnpin,

impl<H, R, E> UnwindSafe for TryGet<H, R, E>
where H: UnwindSafe, R: UnwindSafe, E: 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<T, W> HasTypeWitness<W> for T
where W: MakeTypeWitness<Arg = T>, T: ?Sized,

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

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

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

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