Struct HashMapEntityReplacePolicy

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pub struct HashMapEntityReplacePolicy<'m>(pub &'m HashMap<Entity, Entity>);

Expand description

Default implementation of EntityReplacePolicy that uses a hash map. Keys are entities in the source world and values are entities in the destination world. (See comments on EntityReplacePolicy)

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§0: &'m HashMap<Entity, Entity>

Trait Implementations§

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impl<'m, 's> EntityReplacePolicy<'s> for HashMapEntityReplacePolicy<'m>

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fn src_entities<'a>(&'s self) -> Box<dyn Iterator<Item = Entity> + 'a>
where 's: 'a,

Returns all entities in the source world that will replace data in the destination world Read more

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fn dst_entities<'a>(&'s self) -> Box<dyn Iterator<Item = Entity> + 'a>
where 's: 'a,

Returns all entities in the destination world that will be replaced Read more

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fn get_dst_entity(&self, src_entity: Entity) -> Option<Entity>

Returns the entity in the destination world that will be replaced by the given entity in the source world, otherwise None if the entity in the source world should not replace anything. Read more

Auto Trait Implementations§

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impl<'m> UnwindSafe for HashMapEntityReplacePolicy<'m>

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

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where T: ?Sized,

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fn borrow(&self) -> &T

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impl<T> BorrowMut<T> for T
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impl<T> From<T> for T

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fn from(t: T) -> T

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fn instrument(self, span: Span) -> Instrumented<Self>

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fn in_current_span(self) -> Instrumented<Self>

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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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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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