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Context

Struct Context 

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#[non_exhaustive]
pub struct Context<'a> { /* private fields */ }
Expand description

Per-invocation context. Borrowed view; not stored across calls.

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impl<'a> Context<'a>

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pub const fn task_id(&self) -> &TaskId

Identifier of the task currently executing.

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pub fn stop_executor(&self)

Request the enclosing executor to stop.

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pub fn stoppable(&self) -> Stoppable

Get a clonable Stoppable handle that other threads may hold.

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pub fn send_event(&self, ev: UserEvent)

Forward a user event to the observer (no-op if no observer is configured).

Auto Trait Implementations§

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impl<'a> Freeze for Context<'a>

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impl<'a> !RefUnwindSafe for Context<'a>

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impl<'a> !Send for Context<'a>

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impl<'a> !Sync for Context<'a>

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impl<'a> Unpin for Context<'a>

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impl<'a> UnsafeUnpin for Context<'a>

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impl<'a> !UnwindSafe for Context<'a>

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<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, 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.