Struct legion::Read [−][src]
Reads a single entity data component type from a chunk.
Trait Implementations
impl<T: Clone> Clone for Read<T>
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impl<T: Copy> Copy for Read<T>
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impl<T: Debug> Debug for Read<T>
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impl<T> Default for Read<T>
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impl<T: Component> DefaultFilter for Read<T>
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type Filter = EntityFilterTuple<ComponentFilter<T>, Passthrough>
The filter constructed.
impl<'a, T: Resource> ResourceSet<'a> for Read<T>
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type Result = AtomicRef<'a, T>
The resource reference returned during a fetch.
unsafe fn fetch_unchecked(resources: &'a UnsafeResources) -> Self::Result
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fn fetch_mut(resources: &'a mut Resources) -> Self::Result
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fn fetch(resources: &'a Resources) -> Self::Result where
Self: ReadOnly,
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Self: ReadOnly,
impl<T> Send for Read<T>
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impl<T: Sync> Sync for Read<T>
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impl<'data, T: Component> View<'data> for Read<T>
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type Element = <Self::Fetch as IntoIndexableIter>::Item
The type of component references returned.
type Fetch = ReadFetch<'data, T>
The fetch type yielded for each archetype.
type Iter = ReadIter<'data, T>
The iterator type which pulls entity data out of a world.
type Read = [ComponentTypeId; 1]
Contains the type IDs read by the view.
type Write = [ComponentTypeId; 0]
Contains the type IDs written by the view.
fn validate()
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fn validate_access(access: &ComponentAccess<'_>) -> bool
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fn reads_types() -> Self::Read
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fn writes_types() -> Self::Write
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fn reads<D: Component>() -> bool
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fn writes<D: Component>() -> bool
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fn requires_permissions() -> Permissions<ComponentTypeId>
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unsafe fn fetch(
components: &'data Components,
_: &'data [Archetype],
query: QueryResult<'data>
) -> Self::Iter
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components: &'data Components,
_: &'data [Archetype],
query: QueryResult<'data>
) -> Self::Iter
Auto Trait Implementations
impl<T> RefUnwindSafe for Read<T> where
T: RefUnwindSafe,
T: RefUnwindSafe,
impl<T> Unpin for Read<T>
impl<T> UnwindSafe for Read<T> where
T: RefUnwindSafe,
T: RefUnwindSafe,
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T
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impl<T> Downcast for T where
T: Any,
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T: Any,
pub fn into_any(self: Box<T, Global>) -> Box<dyn Any + 'static, Global>
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pub fn into_any_rc(self: Rc<T>) -> Rc<dyn Any + 'static>
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pub fn as_any(&self) -> &(dyn Any + 'static)
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pub fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
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impl<T> DowncastSync for T where
T: Send + Sync + Any,
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T: Send + Sync + Any,
impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> Pointable for T
pub const ALIGN: usize
type Init = T
The type for initializers.
pub unsafe fn init(init: <T as Pointable>::Init) -> usize
pub unsafe fn deref<'a>(ptr: usize) -> &'a T
pub unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T
pub unsafe fn drop(ptr: usize)
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
pub fn to_owned(&self) -> T
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pub fn clone_into(&self, target: &mut T)
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,