Generated.

Author: Oktawian Chojnacki

Design-Patterns.playground.zip

@@ -167,6 +167,7 @@ The interpreter pattern is used to evaluate sentences in a language.
 
 ### Example
 */
+
 protocol IntegerExp {
     func evaluate(context: IntegerContext) -> Int
     func replace(character: Character, integerExp: IntegerExp) -> IntegerExp
@@ -284,6 +285,7 @@ The mediator pattern is used to reduce coupling between classes that communicate
 
 ### Example
 */
+
 class Colleague {
     let mediator: Mediator
 
@@ -325,9 +327,11 @@ class ConcreteColleague: Colleague {
         print("Colleague received: \(message)")
     }
 }
+
 /*:
 ### Usage
 */
+
 let messagesMediator = MessageMediator()
 let user0 = ConcreteColleague(mediator: messagesMediator)
 let user1 = ConcreteColleague(mediator: messagesMediator)
@@ -403,6 +407,7 @@ gameState.weapon = "Crossbow"
 CheckPoint.saveState(gameState.toMemento())
 
 gameState.restoreFromMemento(CheckPoint.restorePreviousState(keyName: "gameState2"))
+
 /*:
 👓 Observer
 -----------
@@ -554,6 +559,7 @@ lower.printString("O tempora, o mores!")
 
 var upper = Printer(strategy:UpperCaseStrategy())
 upper.printString("O tempora, o mores!")
+
 /*:
 🏃 Visitor
 ----------

Design-Patterns.playground/Pages/Behavioral.xcplaygroundpage/Contents.swift

@@ -125,8 +125,7 @@ protocol Shape {
 }
 /*: 
 Leafs
-*/
- 
+*/ 
 class Square : Shape {
     func draw(fillColor: String) {
         print("Drawing a Square with color \(fillColor)")
@@ -289,21 +288,21 @@ class CurrentComputer : DoorOperator {
 
     func authenticateWithPassword(pass: String) -> Bool {
 
-        if pass != "pass" {
-            return false
+        guard pass == "pass" else {
+            return false;
         }
 
         computer = HAL9000()
 
         return true
     }
-    
+
     func openDoors(doors: String) -> String {
 
-        if computer == nil {
+        guard computer != nil else {
             return "Access Denied. I'm afraid I can't do that."
         }
-        
+
         return computer.openDoors(doors)
     }
 }

Design-Patterns.playground/Pages/Structural.xcplaygroundpage/Contents.swift

@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 <playground version='6.0' target-platform='ios' requires-full-environment='true' display-mode='rendered'>
     <pages>
-        <page name='Patterns'/>
         <page name='Behavioral'/>
         <page name='Creational'/>
         <page name='Structural'/>