zng_app::update

Struct WeakOnUpdateHandle

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pub struct WeakOnUpdateHandle(/* private fields */);
Expand description

Weak OnUpdateHandle.

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impl WeakOnUpdateHandle

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pub fn new() -> Self

New weak handle that does not upgrade.

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pub fn upgrade(&self) -> Option<OnUpdateHandle>

Gets the strong handle if it is still subscribed.

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impl Clone for WeakOnUpdateHandle

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fn clone(&self) -> WeakOnUpdateHandle

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for WeakOnUpdateHandle

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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 WeakOnUpdateHandle

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fn default() -> WeakOnUpdateHandle

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

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fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl PartialEq for WeakOnUpdateHandle

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fn eq(&self, other: &WeakOnUpdateHandle) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Eq for WeakOnUpdateHandle

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impl StructuralPartialEq for WeakOnUpdateHandle

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

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impl<T> AnyVarValue for T
where T: VarValue,

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fn as_any(&self) -> &(dyn Any + 'static)

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fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Access to mut dyn Any methods.
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fn clone_boxed(&self) -> Box<dyn AnyVarValue>

Clone the value.
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fn clone_boxed_var(&self) -> Box<dyn AnyVar>

Clone the value into a new boxed LocalVar<Self>.
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Access to Box<dyn Any> methods.
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fn eq_any(&self, other: &(dyn AnyVarValue + 'static)) -> bool

Gets if self equals other.
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impl<T> Borrow<T> for T
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Immutably borrows from an owned value. Read more
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fn borrow_mut(&mut self) -> &mut T

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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dst: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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impl<Q, K> Equivalent<K> for Q
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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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impl<T> From<T> for T

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fn from(t: T) -> T

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

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where T: VarValue,

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where Self: Sized,

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const ALIGN: usize = _

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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

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where S: Into<Dispatch>,

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