Error when deleting item from tableview in swift

Question

I am trying to implement a delete functionality in my app allowing users to delete information stored in core data and presented through a table view.

here is my cod

Answer 1

Delete the core data item and let the delegate callbacks take care of deleting the table view row:

if editingStyle == .Delete {
  let item = self.fetchedResultsController.objectAtIndexPath(indexPath) as NSManagedObject
  self.managedObjectContext.deleteObject(item)
}

The row deletion happens in the delegate callback controller:didChangeObject:atIndexPath: forChangeType:newIndexPath:

if type == .Delete { 
  self.tableView.deleteRowsAtIndexPaths([indexPath], withRowAnimation: .Automatic)
}