Sets the class description for the object or objects to be inserted.
The class description for the object or objects to be inserted.
This message can be sent at any time after object initialization, but must be sent before evaluation to have any effect.
Accessing information about a positional specifier
var insertionIndex: Int
Returns an insertion index that indicates where the new or copied object or objects should be placed.
var insertionKey: String?
Returns the key that identifies the relationship into which the new or copied object or objects should be inserted.
var insertionReplaces: Bool
Returns a Boolean value that indicates whether evaluation has been successful and the object to be inserted should actually replace the keyed, indexed object in the insertion container.