evgeniyd

/// The Medium artcile, discussing the approach
/// https://medium.com/@euginedubinin/swift-useful-autoclosure-when-presenting-uialertviewcontroller-b592d1643a50#.kx0fuqm1x

final class NoteViewController: UIViewController {
  
  // ... set up target-action for an Edit UIButton somewhere here ...
  
  private dynamic func handleEditButton() {
    presentEditConfirmationDialog(onEdit: self.editArticle(), 
                                  onCancel: () )  /* assuming you have nothing to do upon cancellation */

evgeniyd

/*
The layout (notice how button is 50% on top of the collection view
while still added to the ContainerView)

|----------------------------------------------------|
|                       ContainerView                |
|  ------------------------------------------------  |
|  |               CollectionView                 |  |
|  |                ___________                   |  |
|  |                |          |                  |  |