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AddObserver

bevy_ui_widgets

Struct AddObserver 

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pub struct AddObserver<E: EntityEvent, B: Bundle, M, I: IntoObserverSystem<E, B, M>> { /* private fields */ }
Expand description

Helper struct that adds an observer when inserted as a Bundle.

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impl<E: EntityEvent, B: Bundle, M: Send + Sync + 'static, I: IntoObserverSystem<E, B, M> + Send + Sync> Bundle for AddObserver<E, B, M, I>

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fn get_component_ids( _components: &Components, ) -> impl Iterator<Item = Option<ComponentId>>

Return a iterator over this Bundle’s component ids. This will be None if the component has not been registered.
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impl<E: EntityEvent, B: Bundle, M, I: IntoObserverSystem<E, B, M>> DynamicBundle for AddObserver<E, B, M, I>

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type Effect = AddObserver<E, B, M, I>

An operation on the entity that happens after inserting this bundle.
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unsafe fn get_components( ptr: MovingPtr<'_, Self>, _func: &mut impl FnMut(StorageType, OwningPtr<'_>), )

Moves the components out of the bundle. Read more
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unsafe fn apply_effect( ptr: MovingPtr<'_, MaybeUninit<Self>>, entity: &mut EntityWorldMut<'_>, )

Applies the after-effects of spawning this bundle. Read more

Auto Trait Implementations§

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impl<E, B, M, I> Freeze for AddObserver<E, B, M, I>
where I: Freeze,

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impl<E, B, M, I> RefUnwindSafe for AddObserver<E, B, M, I>
where I: RefUnwindSafe, E: RefUnwindSafe, B: RefUnwindSafe, M: RefUnwindSafe,

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impl<E, B, M, I> Send for AddObserver<E, B, M, I>
where M: Send,

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impl<E, B, M, I> Sync for AddObserver<E, B, M, I>
where I: Sync, M: Sync,

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impl<E, B, M, I> Unpin for AddObserver<E, B, M, I>
where I: Unpin, E: Unpin, B: Unpin, M: Unpin,

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impl<E, B, M, I> UnsafeUnpin for AddObserver<E, B, M, I>
where I: UnsafeUnpin,

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impl<E, B, M, I> UnwindSafe for AddObserver<E, B, M, I>
where I: UnwindSafe, E: UnwindSafe, B: UnwindSafe, M: UnwindSafe,

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> 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 for T
where T: Any,

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

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

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

Converts &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)

Converts &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> DowncastSend for T
where T: Any + Send,

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fn into_any_send(self: Box<T>) -> Box<dyn Any + Send>

Converts Box<Trait> (where Trait: DowncastSend) to Box<dyn Any + Send>, which can then be downcast into Box<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, W> HasTypeWitness<W> for T
where W: MakeTypeWitness<Arg = T>, T: ?Sized,

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const WITNESS: W = W::MAKE

A constant of the type witness
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impl<T> Identity for T
where T: ?Sized,

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const TYPE_EQ: TypeEq<T, <T as Identity>::Type> = TypeEq::NEW

Proof that Self is the same type as Self::Type, provides methods for casting between Self and Self::Type.
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type Type = T

The same type as Self, used to emulate type equality bounds (T == U) with associated type equality constraints (T: Identity<Type = U>).
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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> IntoEither for T

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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 more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

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
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impl<T> IntoResult<T> for T

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fn into_result(self) -> Result<T, RunSystemError>

Converts this type into the system output type.
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impl<A> Is for A
where A: Any,

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fn is<T>() -> bool
where T: Any,

Checks if the current type “is” another type, using a TypeId equality comparison. This is most useful in the context of generic logic. Read more
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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> 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> ConditionalSend for T
where T: Send,

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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
where T: WasmNotSend + WasmNotSync,

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