Struct BehaviorMutReadOnlyItem

pub struct BehaviorMutReadOnlyItem<'__w, T: Behavior> { /* private fields */ }

Automatically generated WorldQuery item type for BehaviorMutReadOnly, returned when iterating over query results.

Implementations

impl<T: Behavior> BehaviorMutReadOnlyItem<'_, T>

pub fn current(&self) -> &T

See BehaviorRefItem::current.

pub fn previous(&self) -> Option<&T>

See BehaviorRefItem::previous.

pub fn iter(&self) -> impl Iterator<Item = &T> + '_

See BehaviorRefItem::iter.

pub fn index(&self) -> usize

See BehaviorRefItem::index.

pub fn has_transition(&self) -> bool

See BehaviorRefItem::has_transition.

pub fn has_sequence(&self) -> bool

See BehaviorRefItem::has_sequence.

Trait Implementations

impl<T: Behavior> AsRef<T> for BehaviorMutReadOnlyItem<'_, T>

fn as_ref(&self) -> &T

Converts this type into a shared reference of the (usually inferred) input type.

impl<T: Behavior> Deref for BehaviorMutReadOnlyItem<'_, T>

type Target = T

The resulting type after dereferencing.

fn deref(&self) -> &Self::Target

Dereferences the value.

impl<T: Behavior> DetectChanges for BehaviorMutReadOnlyItem<'_, T>

fn is_added(&self) -> bool

Returns true if this value was added after the system last ran.

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.

fn last_changed(&self) -> Tick

Returns the change tick recording the time this data was most recently changed.

fn added(&self) -> Tick

Returns the change tick recording the time this data was added.

fn changed_by(&self) -> MaybeLocation

The location that last caused this to change.

impl<T: Behavior> Index<usize> for BehaviorMutReadOnlyItem<'_, T>

type Output = T

The returned type after indexing.

fn index(&self, index: usize) -> &Self::Output

Performs the indexing (container[index]) operation.