Struct pyo3::coroutine::cancel::CancelHandle

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pub struct CancelHandle(Arc<Mutex<Inner>>);
Available on crate feature experimental-async only.
Expand description

Helper used to wait and retrieve exception thrown in Coroutine.

Only the last exception thrown can be retrieved.

Tuple Fields§

§0: Arc<Mutex<Inner>>

Implementations§

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impl CancelHandle

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pub fn new() -> Self

Create a new CoroutineCancel.

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pub fn is_cancelled(&self) -> bool

Returns whether the associated coroutine has been cancelled.

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pub fn poll_cancelled(&mut self, cx: &mut Context<'_>) -> Poll<PyObject>

Poll to retrieve the exception thrown in the associated coroutine.

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pub async fn cancelled(&mut self) -> PyObject

Retrieve the exception thrown in the associated coroutine.

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#[doc(hidden)] pub fn throw_callback(&self) -> ThrowCallback

Trait Implementations§

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impl Debug for CancelHandle

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

Formats the value using the given formatter. Read more
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impl Default for CancelHandle

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fn default() -> CancelHandle

Returns the “default value” for a type. Read more

Auto Trait 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> AssertNotZeroSized for T

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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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> SizedTypeProperties for T

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#[doc(hidden)] const IS_ZST: bool = _

🔬This is a nightly-only experimental API. (sized_type_properties)
true if this type requires no storage. false if its size is greater than zero. Read more
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impl<T> SomeWrap<T> for T

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fn wrap(self) -> Option<T>

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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.
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impl<T> Ungil for T
where T: Send,

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