Struct BehaviorMutReadOnlyItem 

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

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

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> BehaviorItem for BehaviorMutReadOnlyItem<'_, '_, T>

fn current(&self) -> &T

Returns the current Behavior state.

fn current_index(&self) -> BehaviorIndex

Returns the BehaviorIndex associated with the current Behavior state.

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

Returns the previous Behavior state in the stack.

fn enumerate(&self) -> impl Iterator<Item = (BehaviorIndex, &T)> + '_

Returns an iterator over all (BehaviorIndex, Behavior) pairs in the stack, including the current one.

fn get(&self, BehaviorIndex: BehaviorIndex) -> Option<&T>

Returns a reference to the Behavior at the given BehaviorIndex, if it exists.

fn has_transition(&self) -> bool

Returns true if there is any pending Transition for this Behavior.

fn index(&self) -> BehaviorIndex

👎Deprecated since 0.3.1: use current_index instead

Returns the BehaviorIndex associated with the current Behavior state.

fn has_index(&self, index: BehaviorIndex) -> bool

Returns true if the given BehaviorIndex matches a state in this Behavior stack.

fn iter(&self) -> impl Iterator<Item = &Self::Behavior> + '_

Returns an iterator over all Behavior states in the stack, including the current one.

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<BehaviorIndex> for BehaviorMutReadOnlyItem<'_, '_, T>

type Output = T

The returned type after indexing.

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

Performs the indexing (container[index]) operation.