Update title

Author: onmyway133

Example/DeepDiffDemo/DeepDiffDemo/Sources/AppDelegate.swift

@@ -11,12 +11,15 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
 
     let tableController = TableViewController()
     tableController.tabBarItem.image = UIImage(named: "table")
+    tableController.title = "UITableView"
 
     let collectionController = CollectionViewController()
     collectionController.tabBarItem.image = UIImage(named: "collection")
+    collectionController.title = "UICollectionView"
 
     let textureController = TextureTableController()
     textureController.tabBarItem.image = UIImage(named: "table")
+    textureController.title = "ASTableNode"
 
     let tabController = UITabBarController()
 

Example/DeepDiffDemo/DeepDiffDemo/Sources/CollectionViewController.swift

@@ -11,8 +11,6 @@ class CollectionViewController: UIViewController, UICollectionViewDataSource, UI
     super.viewDidLoad()
     view.backgroundColor = UIColor.white
 
-    title = "CollectionView"
-
     let layout = UICollectionViewFlowLayout()
     layout.minimumLineSpacing = 10
     layout.minimumInteritemSpacing = 10
@@ -35,12 +33,14 @@ class CollectionViewController: UIViewController, UICollectionViewDataSource, UI
   }
 
   @objc func reload() {
-    let oldItems = items
-    items = DataSet.generateItems()
+    let oldItems = self.items
+    let items = DataSet.generateItems()
     let changes = diff(old: oldItems, new: items)
 
     let exception = tryBlock {
-      self.collectionView.reload(changes: changes, updateData: {})
+      self.collectionView.reload(changes: changes, updateData: {
+        self.items = items
+      })
     }
 
     if let exception = exception {

Example/DeepDiffDemo/DeepDiffDemo/Sources/TableViewController.swift

@@ -11,8 +11,6 @@ class TableViewController: UIViewController, UITableViewDataSource {
     super.viewDidLoad()
     view.backgroundColor = UIColor.white
 
-    title = "TableView"
-
     tableView = UITableView()
     tableView.dataSource = self
     tableView.backgroundColor = .white
@@ -32,12 +30,14 @@ class TableViewController: UIViewController, UITableViewDataSource {
   }
 
   @objc func reload() {
-    let oldItems = items
-    items = DataSet.generateItems()
+    let oldItems = self.items
+    let items = DataSet.generateItems()
     let changes = diff(old: oldItems, new: items)
 
     let exception = tryBlock {
-      self.tableView.reload(changes: changes, updateData: {})
+      self.tableView.reload(changes: changes, updateData: {
+        self.items = items
+      })
     }
 
     if let exception = exception {

Example/DeepDiffDemo/DeepDiffDemo/Sources/Texture/TextureTableController.swift

@@ -17,6 +17,7 @@ class TextureTableController: ASViewController<ASDisplayNode> {
   init() {
     super.init(node: rootNode)
     node.backgroundColor = .white
+    title = "ASTableNode"
   }
 
   required init?(coder aDecoder: NSCoder) {
@@ -28,7 +29,7 @@ class TextureTableController: ASViewController<ASDisplayNode> {
     navigationItem.rightBarButtonItem = UIBarButtonItem(
       title: "Reload", style: .plain, target: self, action: #selector(reload)
     )
-    title = "ASTableNode"
+
     rootNode.tableNode.dataSource = self
     reload()
   }

README.md

@@ -79,7 +79,7 @@ let oldItems = items
 items = DataSet.generateNewItems()
 let changes = diff(old: oldItems, new: items)
 
-collectionView.reload(changes: changes, section: 2, completion: { _ in })
+collectionView.reload(changes: changes, section: 2, updateData: { // update data source model  })
 ```
 
 Take a look at [Demo](https://github.com/onmyway133/DeepDiff/tree/master/Example/DeepDiffDemo) where changes are made via random number of items, and the items are shuffled.