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AsyncCompletion

Struct AsyncCompletion 

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pub struct AsyncCompletion<T: Send + 'static> { /* private fields */ }
Expand description

Factory for future-based FFI completion handles.

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impl<T: Send + 'static> AsyncCompletion<T>

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pub fn create() -> (AsyncCompletionFuture<T>, SyncCompletionPtr)

Create a future and its opaque callback context.

The future resolves with a timeout error if the native callback does not arrive within default_timeout.

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pub unsafe fn complete_ok(context: SyncCompletionPtr, value: T)

Complete successfully.

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context must be the opaque token returned by Self::create for this concrete T.

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pub unsafe fn complete_err(context: SyncCompletionPtr, error: String)

Complete with an error.

§Safety

context must be the opaque token returned by Self::create for this concrete T.

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pub unsafe fn complete_with_result( context: SyncCompletionPtr, result: Result<T, String>, )

Complete with a result. Duplicate, late, or cancelled callbacks are ignored safely.

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context must be the opaque token returned by Self::create for this concrete T.

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impl<T: Send + 'static> Debug for AsyncCompletion<T>

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl<T> Freeze for AsyncCompletion<T>

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impl<T> RefUnwindSafe for AsyncCompletion<T>
where T: RefUnwindSafe,

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impl<T> Send for AsyncCompletion<T>

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impl<T> Sync for AsyncCompletion<T>
where T: Sync,

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impl<T> Unpin for AsyncCompletion<T>
where T: Unpin,

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impl<T> UnsafeUnpin for AsyncCompletion<T>

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impl<T> UnwindSafe for AsyncCompletion<T>
where T: 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, 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.