Rewrite some code to use more pure Swift

Author: smileyborg

TableViewCellWithAutoLayout/TableViewController/Model.swift

@@ -9,14 +9,15 @@ import Foundation
 
 class Model
 {
-    var dataArray: NSMutableArray = []
+    var dataArray: Array<(title:String, body:String)> = Array()
 
     func populate()
     {
         var fontFamilies = UIFont.familyNames()
+        
         for familyName: AnyObject in fontFamilies {
             if let familyNameString: String = familyName as? String {
-                dataArray.addObject(["title": familyNameString, "body": randomLoremIpsum()])
+                dataArray.append((title: familyNameString, body: randomLoremIpsum()))
             }
         }
     }
@@ -29,7 +30,7 @@ class Model
         let familyName: AnyObject = fontFamilies[r]
 
         if let familyNameString: String = familyName as? String {
-            dataArray.addObject(["title": familyNameString, "body": randomLoremIpsum()])
+            dataArray.append((title: familyNameString, body: randomLoremIpsum()))
         }
     }
 

TableViewCellWithAutoLayout/TableViewController/TableViewController.swift

@@ -104,9 +104,9 @@ class TableViewController : UITableViewController
 
         // Configure the cell for this indexPath
         cell.updateFonts()
-        let modelDictionary = model.dataArray[indexPath.row] as NSDictionary
-        cell.titleLabel.text = modelDictionary.valueForKey("title") as String
-        cell.bodyLabel.text = modelDictionary.valueForKey("body") as String
+        let modelItem = model.dataArray[indexPath.row]
+        cell.titleLabel.text = modelItem.title
+        cell.bodyLabel.text = modelItem.body
 
         // Make sure the constraints have been added to this cell, since it may have just been created from scratch
         cell.setNeedsUpdateConstraints()