pub struct AsyncComponent<'t, C: Component> { /* private fields */ }
Expand description

An AsyncSystemParam that gets or sets a component on the current Entity.

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impl<C: Component> AsyncComponent<'_, C>

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pub fn get<Out: Send + Sync + 'static>( &self, f: impl FnOnce(&C) -> Out + Send + Sync + 'static ) -> impl Future<Output = AsyncResult<Out>>

Run a function on the Component and obtain the result.

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pub fn set<Out: Send + 'static>( &self, f: impl FnOnce(&mut C) -> Out + Send + 'static ) -> impl Future<Output = AsyncResult<Out>>

Run a function on the mutable Component and obtain the result.

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pub fn watch<Out: Send + 'static>( &self, f: impl Fn(&C) -> Option<Out> + Send + 'static ) -> impl Future<Output = AsyncResult<Out>>

Run a repeatable function on the Component and obtain the result once Some is returned.

Trait Implementations§

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impl<'t, C: Component> AsyncEntityParam<'t> for AsyncComponent<'t, C>

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type Signal = ()

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fn fetch_signal(_: &Signals) -> Option<Self::Signal>

If not found, log what’s missing and return None.
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fn from_async_context( entity: Entity, executor: &'t Arc<AsyncQueryQueue>, _: () ) -> Self

Obtain Self from the async context.
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impl<'t, C: Debug + Component> Debug for AsyncComponent<'t, C>

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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<'t, C> Deref for AsyncComponent<'t, C>

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type Target = <C as AsyncComponentDeref>::Target<'t>

The resulting type after dereferencing.
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fn deref(&self) -> &Self::Target

Dereferences the value.
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impl<C: Component> Send for AsyncComponent<'_, C>

Safety: Safe since C is a marker.

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impl<C: Component> Sync for AsyncComponent<'_, C>

Safety: Safe since C is a marker.

Auto Trait Implementations§

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impl<'t, C> Freeze for AsyncComponent<'t, C>

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impl<'t, C> !RefUnwindSafe for AsyncComponent<'t, C>

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impl<'t, C> Unpin for AsyncComponent<'t, C>
where C: Unpin,

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impl<'t, C> !UnwindSafe for AsyncComponent<'t, C>

Blanket 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, U> AsBindGroupShaderType<U> for T
where U: ShaderType, &'a T: for<'a> Into<U>,

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fn as_bind_group_shader_type(&self, _images: &RenderAssets<Image>) -> U

Return the T ShaderType for self. When used in AsBindGroup derives, it is safe to assume that all images in self exist.
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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> Downcast<T> for T

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fn downcast(&self) -> &T

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impl<T> Downcast for T
where T: Any,

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fn into_any(self: Box<T>) -> Box<dyn Any>

Convert Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>. Box<dyn Any> can then be further downcast into Box<ConcreteType> where ConcreteType implements Trait.
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fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>

Convert Rc<Trait> (where Trait: Downcast) to Rc<Any>. Rc<Any> can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait.
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fn as_any(&self) -> &(dyn Any + 'static)

Convert &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s.
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fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Convert &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s.
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impl<T> DowncastSync for T
where T: Any + Send + Sync,

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fn into_any_arc(self: Arc<T>) -> Arc<dyn Any + Sync + Send>

Convert Arc<Trait> (where Trait: Downcast) to Arc<Any>. Arc<Any> can then be further downcast into Arc<ConcreteType> where ConcreteType implements Trait.
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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> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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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, 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> Upcast<T> for T

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fn upcast(&self) -> Option<&T>

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more
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impl<T> Settings for T
where T: 'static + Send + Sync,

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impl<T> WasmNotSend for T
where T: Send,

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impl<T> WasmNotSendSync for T

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impl<T> WasmNotSync for T
where T: Sync,