Struct zng_var::types::WeakMapRefBidi
source · pub struct WeakMapRefBidi<I, O, S> { /* private fields */ }
Expand description
Weak var that can upgrade to MapRefBidi<I, O, S>
if the source is not dropped.
Trait Implementations§
source§impl<I: VarValue, O: VarValue, S: WeakVar<I>> AnyWeakVar for WeakMapRefBidi<I, O, S>
impl<I: VarValue, O: VarValue, S: WeakVar<I>> AnyWeakVar for WeakMapRefBidi<I, O, S>
source§fn clone_any(&self) -> BoxedAnyWeakVar
fn clone_any(&self) -> BoxedAnyWeakVar
Clone the weak reference.
source§fn strong_count(&self) -> usize
fn strong_count(&self) -> usize
Gets the number of strong references to the variable. Read more
source§fn weak_count(&self) -> usize
fn weak_count(&self) -> usize
Gets the number of weak references to the variable. Read more
source§fn upgrade_any(&self) -> Option<BoxedAnyVar>
fn upgrade_any(&self) -> Option<BoxedAnyVar>
source§impl<I: VarValue, O: VarValue, S: WeakVar<I>> WeakVar<O> for WeakMapRefBidi<I, O, S>
impl<I: VarValue, O: VarValue, S: WeakVar<I>> WeakVar<O> for WeakMapRefBidi<I, O, S>
source§type Upgrade = MapRefBidi<I, O, <S as WeakVar<I>>::Upgrade>
type Upgrade = MapRefBidi<I, O, <S as WeakVar<I>>::Upgrade>
Output of
WeakVar::upgrade
.source§fn boxed(self) -> BoxedWeakVar<T>where
Self: Sized,
fn boxed(self) -> BoxedWeakVar<T>where
Self: Sized,
Gets the weak reference a as
BoxedWeakVar<T>
, does not double box.Auto Trait Implementations§
impl<I, O, S> Freeze for WeakMapRefBidi<I, O, S>where
S: Freeze,
impl<I, O, S> !RefUnwindSafe for WeakMapRefBidi<I, O, S>
impl<I, O, S> Send for WeakMapRefBidi<I, O, S>where
S: Send,
impl<I, O, S> Sync for WeakMapRefBidi<I, O, S>where
S: Sync,
impl<I, O, S> Unpin for WeakMapRefBidi<I, O, S>where
S: Unpin,
impl<I, O, S> !UnwindSafe for WeakMapRefBidi<I, O, S>
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
source§impl<T> CloneToUninit for Twhere
T: Clone,
impl<T> CloneToUninit for Twhere
T: Clone,
source§unsafe fn clone_to_uninit(&self, dst: *mut T)
unsafe fn clone_to_uninit(&self, dst: *mut T)
🔬This is a nightly-only experimental API. (
clone_to_uninit
)§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