OptionalCollectionItemtype
OptionalItem<CollectionIdentifier<C>, CollectionData<C>>
| Type | |
|---|---|
OptionalItem | Item object, or undefined to indicate the item doesn't exist. |
CollectionIdentifier | Extract the Identifier type from a Collection instance. |
CollectionData | Extract the Data type from a Collection instance. |
Extract the optional (possibly undefined) Item type from a Collection instance.