pub struct WeakCallbackEmitter<T = ()> { /* private fields */ }
Expand description
A weak reference to a CallbackEmitter
.
This is usually created by CallbackEmitter::downgrade
.
Implementations§
Source§impl<T> WeakCallbackEmitter<T>
impl<T> WeakCallbackEmitter<T>
Sourcepub fn upgrade(&self) -> Option<CallbackEmitter<T>>
pub fn upgrade(&self) -> Option<CallbackEmitter<T>>
Tries to upgrade the weak callback emitter to a CallbackEmitter
.
Trait Implementations§
Auto Trait Implementations§
impl<T> Freeze for WeakCallbackEmitter<T>
impl<T = ()> !RefUnwindSafe for WeakCallbackEmitter<T>
impl<T = ()> !Send for WeakCallbackEmitter<T>
impl<T = ()> !Sync for WeakCallbackEmitter<T>
impl<T> Unpin for WeakCallbackEmitter<T>
impl<T = ()> !UnwindSafe for WeakCallbackEmitter<T>
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§impl<T> Instrument for T
impl<T> Instrument for T
Source§fn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
Source§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 moreSource§impl<T> Pointable for T
impl<T> Pointable for T
Source§impl<T> Styleable<T> for T
impl<T> Styleable<T> for T
Source§fn styled(self) -> Styled<T>
fn styled(self) -> Styled<T>
Converts the
self
into a Styled<Self>
value.Source§fn attr_trans(
self,
key: &str,
value: impl Into<StyleAttributeValue>,
transition: impl Into<StyleTransition>,
) -> Styled<T>
fn attr_trans( self, key: &str, value: impl Into<StyleAttributeValue>, transition: impl Into<StyleTransition>, ) -> Styled<T>
Adds an attribute with a transition.