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Chained

moirai

Struct Chained 

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pub struct Chained<T, F> { /* private fields */ }
Expand description

A task that chains two operations together.

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impl<T, F> Chained<T, F>

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pub fn new(task: T, continuation: F) -> Chained<T, F>
where T: Task,

Create a new chained task.

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impl<T, F, U> Task for Chained<T, F>
where T: Task, F: FnOnce(<T as Task>::Output) -> U + Send + 'static, U: Send + 'static,

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type Output = U

The output type produced by this task.
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fn execute(self) -> <Chained<T, F> as Task>::Output

Execute this task to completion.
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fn context(&self) -> &TaskContext

Get the task context for scheduling and debugging.
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fn is_stealable(&self) -> bool

Check if this task can be stolen by another thread.
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fn estimated_cost(&self) -> u32

Estimate the computational cost of this task (for load balancing).

Auto Trait Implementations§

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impl<T, F> Freeze for Chained<T, F>
where T: Freeze, F: Freeze,

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impl<T, F> RefUnwindSafe for Chained<T, F>
where T: RefUnwindSafe, F: RefUnwindSafe,

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impl<T, F> Send for Chained<T, F>
where T: Send, F: Send,

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impl<T, F> Sync for Chained<T, F>
where T: Sync, F: Sync,

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impl<T, F> Unpin for Chained<T, F>
where T: Unpin, F: Unpin,

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impl<T, F> UnsafeUnpin for Chained<T, F>
where T: UnsafeUnpin, F: UnsafeUnpin,

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impl<T, F> UnwindSafe for Chained<T, F>
where T: UnwindSafe, F: UnwindSafe,

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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<T> TaskExt for T
where T: Task,

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fn map<F, R>(self, mapper: F) -> Mapped<Self, F>
where F: FnOnce(Self::Output) -> R,

Transform the output of this task.
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fn with_context(self, context: TaskContext) -> ContextualTask<Self>

Convert this task into a task with the given context.
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = !

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, !>

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.