Fixed code formatting in Memento Pattern

Author: codestergit

Design-Patterns.playground.zip

@@ -1,16 +1,17 @@
-typealias Memento = Dictionary<NSObject,AnyObject>
+typealias Memento = Dictionary<NSObject, AnyObject>
 
 /**
 * Originator
 */
 class GameState {
+    var gameLevel: Int = 1
+    var playerScore: Int = 0
 
-    var gameLevel:Int = 1
-    var playerScore:Int = 0
-
-    func saveToMemeto() -> Memento { return ["gameLevel":gameLevel,"playerScore":playerScore] }
+    func saveToMemeto() -> Memento {
+        return ["gameLevel": gameLevel, "playerScore": playerScore] 
+    }
 
-    func restoreFromMemeto(memento:Memento) {
+    func restoreFromMemeto(memento: Memento) {
         gameLevel = memento["gameLevel"]! as Int
         playerScore = memento["playerScore"]! as Int
     }
@@ -20,15 +21,15 @@ class GameState {
 * Caretaker
 */
 class CheckPoint {
-
-    class func saveState(memento:Memento,keyName:String = "gameState"){
+    class func saveState(memento: Memento, keyName: String = "gameState") {
         let defaults:NSUserDefaults = NSUserDefaults.standardUserDefaults()
-        defaults.setObject(memento , forKey:keyName)
+        defaults.setObject(memento, forKey: keyName)
         defaults.synchronize()
     }
 
-    class func restorePreviousState(keyName:String = "gameState") -> Memento{
+    class func restorePreviousState(keyName: String = "gameState") -> Memento {
         let defaults:NSUserDefaults = NSUserDefaults.standardUserDefaults()
+
         return defaults.objectForKey(keyName) as Memento
     }
 }

Design-Patterns.playground/section-60.swift

@@ -2,25 +2,25 @@ var gameState = GameState()
 gameState.gameLevel = 2
 gameState.playerScore = 200
 
-//saves state:{gameLevel 2 playerScore 200}
+// Saves state: {gameLevel 2 playerScore 200}
 CheckPoint.saveState(gameState.saveToMemeto())
 
 gameState.gameLevel = 3
 gameState.gameLevel = 250
 
-//restores state:{gameLevel 2 playerScore 200}
+// Restores state: {gameLevel 2 playerScore 200}
 gameState.restoreFromMemeto(CheckPoint.restorePreviousState())
 
 gameState.gameLevel = 4
 
-//saves state - gameState2:{gameLevel 4 playerScore 200}
-CheckPoint.saveState(gameState.saveToMemeto(),keyName: "gameState2")
+// Saves state - gameState2: {gameLevel 4 playerScore 200}
+CheckPoint.saveState(gameState.saveToMemeto(), keyName: "gameState2")
 
 gameState.gameLevel = 5
 gameState.playerScore = 300
 
-//saves state - gameState3:{gameLevel 5 playerScore 300}
-CheckPoint.saveState(gameState.saveToMemeto(),keyName: "gameState3")
+// Saves state - gameState3: {gameLevel 5 playerScore 300}
+CheckPoint.saveState(gameState.saveToMemeto(), keyName: "gameState3")
 
-//restores state - gameState2:{gameLevel 4 playerScore 200}
+// Restores state - gameState2: {gameLevel 4 playerScore 200}
 gameState.restoreFromMemeto(CheckPoint.restorePreviousState(keyName: "gameState2"))

Design-Patterns.playground/section-62.swift

@@ -713,19 +713,20 @@ fileManager.move()
 ##💾 Memento
 
 ```swift
-typealias Memento = Dictionary<NSObject,AnyObject>
+typealias Memento = Dictionary<NSObject, AnyObject>
 
 /**
 * Originator
 */
 class GameState {
+    var gameLevel: Int = 1
+    var playerScore: Int = 0
 
-    var gameLevel:Int = 1
-    var playerScore:Int = 0
-
-    func saveToMemeto() -> Memento { return ["gameLevel":gameLevel,"playerScore":playerScore] }
+    func saveToMemeto() -> Memento {
+        return ["gameLevel": gameLevel, "playerScore": playerScore] 
+    }
 
-    func restoreFromMemeto(memento:Memento) {
+    func restoreFromMemeto(memento: Memento) {
         gameLevel = memento["gameLevel"]! as Int
         playerScore = memento["playerScore"]! as Int
     }
@@ -735,15 +736,15 @@ class GameState {
 * Caretaker
 */
 class CheckPoint {
-
-    class func saveState(memento:Memento,keyName:String = "gameState"){
+    class func saveState(memento: Memento, keyName: String = "gameState") {
         let defaults:NSUserDefaults = NSUserDefaults.standardUserDefaults()
-        defaults.setObject(memento , forKey:keyName)
+        defaults.setObject(memento, forKey: keyName)
         defaults.synchronize()
     }
 
-    class func restorePreviousState(keyName:String = "gameState") -> Memento{
+    class func restorePreviousState(keyName: String = "gameState") -> Memento {
         let defaults:NSUserDefaults = NSUserDefaults.standardUserDefaults()
+
         return defaults.objectForKey(keyName) as Memento
     }
 }
@@ -754,27 +755,27 @@ var gameState = GameState()
 gameState.gameLevel = 2
 gameState.playerScore = 200
 
-//saves state:{gameLevel 2 playerScore 200}
+// Saves state: {gameLevel 2 playerScore 200}
 CheckPoint.saveState(gameState.saveToMemeto())
 
 gameState.gameLevel = 3
 gameState.gameLevel = 250
 
-//restores state:{gameLevel 2 playerScore 200}
+// Restores state: {gameLevel 2 playerScore 200}
 gameState.restoreFromMemeto(CheckPoint.restorePreviousState())
 
 gameState.gameLevel = 4
 
-//saves state - gameState2:{gameLevel 4 playerScore 200}
-CheckPoint.saveState(gameState.saveToMemeto(),keyName: "gameState2")
+// Saves state - gameState2: {gameLevel 4 playerScore 200}
+CheckPoint.saveState(gameState.saveToMemeto(), keyName: "gameState2")
 
 gameState.gameLevel = 5
 gameState.playerScore = 300
 
-//saves state - gameState3:{gameLevel 5 playerScore 300}
-CheckPoint.saveState(gameState.saveToMemeto(),keyName: "gameState3")
+// Saves state - gameState3: {gameLevel 5 playerScore 300}
+CheckPoint.saveState(gameState.saveToMemeto(), keyName: "gameState3")
 
-//restores state - gameState2:{gameLevel 4 playerScore 200}
+// Restores state - gameState2: {gameLevel 4 playerScore 200}
 gameState.restoreFromMemeto(CheckPoint.restorePreviousState(keyName: "gameState2"))
 ```