         view.undoEnabled = undoStack.count > 1
     }
     
+    deinit {
+        print("deinit")
+    }
+    
     init(view: ListViewProtocol, storeItems: MutableArrayProperty<Item> ) {
         self.view = view
         self.storeItems = storeItems

            .autodispose(in: apool)
        
        view.didToggle
            .subscribe {
                var item = self.storeItems.value[$0.0]
                item.completed = $0.1
                self.storeItems.update(at: $0.0, with: item)

            .autodispose(in: apool)
        
        view.didAdd
            .subscribe { [unowned self] in
                let item = Item(id: UUID().uuidString, title: $0, completed: false)
                self.storeItems.append(item)
                self.undoStack.append(self.storeItems.value)
