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Change

Enum Change 

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#[repr(u8)]
pub enum Change { UpsertEntity(Entity), UpsertScope(Scope), RemoveEntity { id: EntityId, }, RemoveScope { id: ScopeId, }, UpsertEntityScopeLink { entity_id: EntityId, scope_id: ScopeId, }, RemoveEntityScopeLink { entity_id: EntityId, scope_id: ScopeId, }, UpsertEdge(Edge), RemoveEdge { src: EntityId, dst: EntityId, kind: EdgeKind, }, AppendEvent(Event), }
Expand description

One canonical graph mutation in the append-only stream.

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UpsertEntity(Entity)

Insert or replace entity state.

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UpsertScope(Scope)

Insert or replace scope state.

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RemoveEntity

Remove entity and any incident edges in materialized state.

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RemoveScope

Remove scope in materialized state.

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Insert or replace entity-scope membership state.

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§entity_id: EntityId
§scope_id: ScopeId

Remove entity-scope membership state.

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§entity_id: EntityId
§scope_id: ScopeId
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UpsertEdge(Edge)

Insert or replace edge state.

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RemoveEdge

Remove a specific edge in materialized state.

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AppendEvent(Event)

Append event to timeline/event log.

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impl<'ʄ> Facet<'ʄ> for Change

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const SHAPE: &'static Shape

The shape of this type, including: whether it’s a Struct, an Enum, something else? Read more

Auto Trait Implementations§

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> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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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, 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.