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DirectExecutor

Struct DirectExecutor 

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pub struct DirectExecutor { /* private fields */ }
Expand description

Executes tasks immediately on the caller thread.

This executor is useful for deterministic tests and simple composition where task execution should happen in the same call stack.

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impl DirectExecutor

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pub fn new() -> Self

Creates a direct executor without lifecycle hooks.

§Returns

A direct executor.

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pub fn with_hook(self, hook: Arc<dyn TaskHook>) -> Self

Returns a copy of this executor using the supplied task hook.

§Parameters
  • hook - Hook notified about accepted task lifecycle events.
§Returns

This executor configured with hook.

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impl Clone for DirectExecutor

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fn clone(&self) -> DirectExecutor

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Default for DirectExecutor

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fn default() -> Self

Creates a direct executor without lifecycle hooks.

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impl Executor for DirectExecutor

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fn call<C, R, E>(&self, task: C) -> Result<TrackedTask<R, E>, SubmissionError>
where C: Callable<R, E> + Send + 'static, R: Send + 'static, E: Send + 'static,

Executes the callable inline and returns an already completed handle.

§Parameters
  • task - Callable to run on the caller thread.
§Returns

An already completed tracked task carrying the callable result.

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fn execute<T, E>(&self, task: T) -> Result<TrackedTask<(), E>, SubmissionError>
where T: Runnable<E> + Send + 'static, E: Send + 'static,

Submits a runnable task and returns a tracked task handle. Read more

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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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. 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<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<T> IntoResult<T> for T

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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. 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.