@frozen public enum ObjectChange<T>
Information about the changes made to an object which is passed to
If an error occurs, notification blocks are called one time with a
.errorresult and an
NSErrorcontaining details about the error. Currently the only errors which can occur are when opening the Realm on a background worker thread to calculate the change set. The callback will never be called again after
case error(_: NSError)
The object has been deleted from the Realm.