Struct rayon_core::job::JobRef

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pub(crate) struct JobRef {
    pointer: *const (),
    execute_fn: unsafe fn(_: *const ()),
}
Expand description

Effectively a Job trait object. Each JobRef must be executed exactly once, or else data may leak.

Internally, we store the job’s data in a *const () pointer. The true type is something like *const StackJob<...>, but we hide it. We also carry the “execute fn” from the Job trait.

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§pointer: *const ()§execute_fn: unsafe fn(_: *const ())

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impl JobRef

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pub(crate) unsafe fn new<T>(data: *const T) -> JobRef
where T: Job,

Unsafe: caller asserts that data will remain valid until the job is executed.

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pub(crate) fn id(&self) -> impl Eq

Returns an opaque handle that can be saved and compared, without making JobRef itself Copy + Eq.

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pub(crate) unsafe fn execute(self)

Trait Implementations§

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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> 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> 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, 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.