Collection
protocol Collection : Sequence
-
Mechanica
Returns the first index where the specified value appears in the collection. After using firstIndex(of:) to find the last position of a particular element in a collection, you can use it to access the element by subscripting. - Parameter element: Index of the first element found (if any). - Note: Same as
index(of:)
. - SeeAlso:index(of:)
Declaration
Swift
public final func firstIndex(of element: Iterator.Element) -> Self.Index?
Parameters
element
Index of the first element found (if any).
-
Mechanica
Returns the last index where the specified value appears in the collection. After using lastIndex(of:) to find the last position of a particular element in a collection, you can use it to access the element by subscripting. - Parameter element: Index of the last element found (if any).
Declaration
Swift
public final func lastIndex(of element: Iterator.Element) -> Self.Index?
Parameters
element
Index of the last element found (if any).
-
Mechanica
Fetches all faulted object in one batch executing a single fetch request for all objects that we’re interested in. - Note: Materializing all objects in one batch is faster than triggering the fault for each object on its own.
Declaration
Swift
public final func fetchFaultedObjects()