pub struct ReactResMut<'w, R>
where R: ReactResource,
{ /* private fields */ }
Expand description

Mutable wrapper for reactive resources.

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impl<'w, R> ReactResMut<'w, R>
where R: ReactResource,

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pub fn get_mut<'a>( &'a mut self, rcommands: &mut ReactCommands<'_, '_> ) -> &'a mut R

Mutably access the resource and trigger reactions.

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pub fn get_mut_noreact(&mut self) -> &mut R

Mutably access the resource without triggering reactions.

Trait Implementations§

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impl<'w, R> Deref for ReactResMut<'w, R>
where R: ReactResource,

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type Target = R

The resulting type after dereferencing.
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fn deref(&self) -> &R

Dereferences the value.
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impl<'w, R> DetectChanges for ReactResMut<'w, R>
where R: ReactResource,

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fn is_added(&self) -> bool

Returns true if this value was added after the system last ran.
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fn is_changed(&self) -> bool

Returns true if this value was added or mutably dereferenced either since the last time the system ran or, if the system never ran, since the beginning of the program. Read more
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fn last_changed(&self) -> Tick

Returns the change tick recording the time this data was most recently changed. Read more
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impl<R> SystemParam for ReactResMut<'_, R>
where R: ReactResource,

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type State = FetchState<R>

Used to store data which persists across invocations of a system.
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type Item<'w, 's> = ReactResMut<'w, R>

The item type returned when constructing this system param. The value of this associated type should be Self, instantiated with new lifetimes. Read more
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fn init_state( world: &mut World, system_meta: &mut SystemMeta ) -> <ReactResMut<'_, R> as SystemParam>::State

Registers any [World] access used by this [SystemParam] and creates a new instance of this param’s State.
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fn new_archetype( state: &mut <ReactResMut<'_, R> as SystemParam>::State, archetype: &Archetype, system_meta: &mut SystemMeta )

For the specified [Archetype], registers the components accessed by this [SystemParam] (if applicable).
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fn apply( state: &mut <ReactResMut<'_, R> as SystemParam>::State, system_meta: &SystemMeta, world: &mut World )

Applies any deferred mutations stored in this [SystemParam]’s state. This is used to apply Commands during apply_deferred.
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unsafe fn get_param<'w, 's>( state: &'s mut <ReactResMut<'_, R> as SystemParam>::State, system_meta: &SystemMeta, world: UnsafeWorldCell<'w>, change_tick: Tick ) -> <ReactResMut<'_, R> as SystemParam>::Item<'w, 's>

Creates a parameter to be passed into a SystemParamFunction. Read more
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impl<'w, 's, R> ReadOnlySystemParam for ReactResMut<'w, R>
where R: ReactResource, ResMut<'w, ReactResInner<R>>: ReadOnlySystemParam,

Auto Trait Implementations§

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impl<'w, R> RefUnwindSafe for ReactResMut<'w, R>
where R: RefUnwindSafe,

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impl<'w, R> Send for ReactResMut<'w, R>

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impl<'w, R> Sync for ReactResMut<'w, R>

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impl<'w, R> Unpin for ReactResMut<'w, R>

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impl<'w, R> !UnwindSafe for ReactResMut<'w, R>

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> Pointable for T

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const ALIGN: usize = _

The alignment of pointer.
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type Init = T

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

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. 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> 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> WasmNotSync for T
where T: Sync,