pub struct FilteredAccessSet<T: SparseSetIndex> { /* private fields */ }
Expand description

A collection of FilteredAccess instances.

Used internally to statically check if systems have conflicting access.

It stores multiple sets of accesses.

  • A “combined” set, which is the access of all filters in this set combined.
  • The set of access of each individual filters in this set.

Implementations§

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impl<T: SparseSetIndex> FilteredAccessSet<T>

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pub fn combined_access(&self) -> &Access<T>

Returns a reference to the unfiltered access of the entire set.

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pub fn is_compatible(&self, other: &FilteredAccessSet<T>) -> bool

Returns true if this and other can be active at the same time.

Access conflict resolution happen in two steps:

  1. A “coarse” check, if there is no mutual unfiltered conflict between self and other, we already know that the two access sets are compatible.
  2. A “fine grained” check, it kicks in when the “coarse” check fails. the two access sets might still be compatible if some of the accesses are restricted with the With or Without filters so that access is mutually exclusive. The fine grained phase iterates over all filters in the self set and compares it to all the filters in the other set, making sure they are all mutually compatible.
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pub fn get_conflicts(&self, other: &FilteredAccessSet<T>) -> Vec<T>

Returns a vector of elements that this set and other cannot access at the same time.

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pub fn get_conflicts_single( &self, filtered_access: &FilteredAccess<T> ) -> Vec<T>

Returns a vector of elements that this set and other cannot access at the same time.

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pub fn add(&mut self, filtered_access: FilteredAccess<T>)

Adds the filtered access to the set.

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pub fn extend(&mut self, filtered_access_set: FilteredAccessSet<T>)

Adds all of the accesses from the passed set to self.

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pub fn clear(&mut self)

Removes all accesses stored in this set.

Trait Implementations§

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impl<T: Clone + SparseSetIndex> Clone for FilteredAccessSet<T>

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fn clone(&self) -> FilteredAccessSet<T>

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<T: Debug + SparseSetIndex> Debug for FilteredAccessSet<T>

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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: SparseSetIndex> Default for FilteredAccessSet<T>

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl<T: SparseSetIndex> From<FilteredAccess<T>> for FilteredAccessSet<T>

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fn from(filtered_access: FilteredAccess<T>) -> Self

Converts to this type from the input type.

Auto Trait Implementations§

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impl<T> RefUnwindSafe for FilteredAccessSet<T>
where T: RefUnwindSafe,

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

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

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impl<T> Unpin for FilteredAccessSet<T>
where T: Unpin,

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impl<T> UnwindSafe for FilteredAccessSet<T>
where T: 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>

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 + Send + Sync>

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> FromWorld for T
where T: Default,

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fn from_world(_world: &mut World) -> T

Creates Self using data from the given World.
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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> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. 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> TypeData for T
where T: 'static + Send + Sync + Clone,

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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