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CancelGuard

mpi::request

Struct CancelGuard 

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pub struct CancelGuard<'a, D: ?Sized = [u8], S = StaticScope>(/* private fields */);
Expand description

Cancels (then completes) the contained request when dropped. Mirrors rsmpi’s CancelGuard.

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impl<D: ?Sized, S> Drop for CancelGuard<'_, D, S>

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fn drop(&mut self)

Executes the destructor for this type. Read more
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fn pin_drop(self: Pin<&mut Self>)

🔬This is a nightly-only experimental API. (pin_ergonomics)
Execute the destructor for this type, but different to Drop::drop, it requires self to be pinned. Read more
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impl<'a, D: ?Sized, S: Scope<'a>> From<Request<'a, D, S>> for CancelGuard<'a, D, S>

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fn from(r: Request<'a, D, S>) -> Self

Converts to this type from the input type.

Auto Trait Implementations§

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impl<'a, D = [u8], S = StaticScope> !RefUnwindSafe for CancelGuard<'a, D, S>

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impl<'a, D = [u8], S = StaticScope> !Send for CancelGuard<'a, D, S>

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impl<'a, D = [u8], S = StaticScope> !Sync for CancelGuard<'a, D, S>

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impl<'a, D = [u8], S = StaticScope> !UnwindSafe for CancelGuard<'a, D, S>

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impl<'a, D, S> Freeze for CancelGuard<'a, D, S>
where D: ?Sized,

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impl<'a, D, S> Unpin for CancelGuard<'a, D, S>
where S: Unpin, D: ?Sized,

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impl<'a, D, S> UnsafeUnpin for CancelGuard<'a, D, S>
where D: ?Sized,

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.