pub struct WeakInstanceCell { /* private fields */ }Expand description
A weak version of the InstanceCell. This is used to provide cyclical linkage between actors without creating a strong reference cycle.
Implementations§
Source§impl WeakInstanceCell
impl WeakInstanceCell
Sourcepub fn upgrade(&self) -> Option<InstanceCell>
pub fn upgrade(&self) -> Option<InstanceCell>
Upgrade this weak instance cell to a strong reference, if possible.
Trait Implementations§
Source§impl Clone for WeakInstanceCell
impl Clone for WeakInstanceCell
Source§fn clone(&self) -> WeakInstanceCell
fn clone(&self) -> WeakInstanceCell
Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source. Read moreAuto Trait Implementations§
impl !RefUnwindSafe for WeakInstanceCell
impl !UnwindSafe for WeakInstanceCell
impl Freeze for WeakInstanceCell
impl Send for WeakInstanceCell
impl Sync for WeakInstanceCell
impl Unpin for WeakInstanceCell
impl UnsafeUnpin for WeakInstanceCell
Blanket Implementations§
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
impl<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
Source§impl<T> CloneToUninit for Twhere
T: Clone,
impl<T> CloneToUninit for Twhere
T: Clone,
§impl<T> FutureExt for T
impl<T> FutureExt for T
§fn with_context(self, otel_cx: Context) -> WithContext<Self>
fn with_context(self, otel_cx: Context) -> WithContext<Self>
§fn with_current_context(self) -> WithContext<Self>
fn with_current_context(self) -> WithContext<Self>
§impl<T> Instrument for T
impl<T> Instrument for T
§fn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
§fn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
Source§impl<T> IntoEither for T
impl<T> IntoEither for T
Source§fn into_either(self, into_left: bool) -> Either<Self, Self>
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 moreSource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
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§impl<T> IntoRequest<T> for T
impl<T> IntoRequest<T> for T
§fn into_request(self) -> Request<T>
fn into_request(self) -> Request<T>
Wrap the input message
T in a tonic::Request§impl<L> LayerExt<L> for L
impl<L> LayerExt<L> for L
§fn named_layer<S>(&self, service: S) -> Layered<<L as Layer<S>>::Service, S>where
L: Layer<S>,
fn named_layer<S>(&self, service: S) -> Layered<<L as Layer<S>>::Service, S>where
L: Layer<S>,
Applies the layer to a service and wraps it in [
Layered].