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Oktawian Chojnacki
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Fixes and generation.
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-18
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‎Design-Patterns.playground.zip

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‎Design-Patterns.playground/Documentation/section-9.html

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<body>
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<div class="content-wrapper">
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<section class="section">
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<h2 id="-iterator">🚧 Iterator</h2>
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<h2 id="-iterator">🍫 Iterator</h2>
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<p>The iterator pattern is used to provide a standard interface for traversing a collection of items in an aggregate object without the need to understand its underlying structure.</p>
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<p><strong>Example:</strong></p>
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‎Design-Patterns.playground/section-14.swift

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@@ -7,11 +7,11 @@ class GameState {
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var gameLevel: Int = 1
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var playerScore: Int = 0
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func saveToMemeto() -> Memento {
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func saveToMemento() -> Memento {
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return ["gameLevel": gameLevel, "playerScore": playerScore]
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}
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func restoreFromMemeto(memento: Memento) {
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func restoreFromMemento(memento: Memento) {
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gameLevel = memento["gameLevel"]! as Int
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playerScore = memento["playerScore"]! as Int
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}

‎Design-Patterns.playground/section-16.swift

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gameState.playerScore = 200
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// Saves state: {gameLevel 2 playerScore 200}
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CheckPoint.saveState(gameState.saveToMemeto())
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CheckPoint.saveState(gameState.saveToMemento())
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gameState.gameLevel = 3
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gameState.gameLevel = 250
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// Restores state: {gameLevel 2 playerScore 200}
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gameState.restoreFromMemeto(CheckPoint.restorePreviousState())
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gameState.restoreFromMemento(CheckPoint.restorePreviousState())
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gameState.gameLevel = 4
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// Saves state - gameState2: {gameLevel 4 playerScore 200}
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CheckPoint.saveState(gameState.saveToMemeto(), keyName: "gameState2")
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CheckPoint.saveState(gameState.saveToMemento(), keyName: "gameState2")
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gameState.gameLevel = 5
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gameState.playerScore = 300
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// Saves state - gameState3: {gameLevel 5 playerScore 300}
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CheckPoint.saveState(gameState.saveToMemeto(), keyName: "gameState3")
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CheckPoint.saveState(gameState.saveToMemento(), keyName: "gameState3")
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// Restores state - gameState2: {gameLevel 4 playerScore 200}
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gameState.restoreFromMemeto(CheckPoint.restorePreviousState(keyName: "gameState2"))
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gameState.restoreFromMemento(CheckPoint.restorePreviousState(keyName: "gameState2"))

‎README.md

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fileManager.move()
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```
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##🚧 Iterator
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##🍫 Iterator
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The iterator pattern is used to provide a standard interface for traversing a collection of items in an aggregate object without the need to understand its underlying structure.
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📖 Descriptions from: [Gang of Four Design Patterns Reference Sheet](http://www.blackwasp.co.uk/GangOfFour.aspx)
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🚀 How to generate playground (+zip) from this README: [GENERATE.markdown](https://github.com/ochococo/Design-Patterns-In-Swift/blob/master/GENERATE.markdown)
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🚀 How to generate playground (+zip) from this README: [GENERATE.markdown](https://github.com/ochococo/Design-Patterns-In-Swift/blob/master/GENERATE.markdown)

‎docs/behavioral/iterator.md

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##🚧 Iterator
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##🍫 Iterator
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The iterator pattern is used to provide a standard interface for traversing a collection of items in an aggregate object without the need to understand its underlying structure.
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‎docs/behavioral/memento.md

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var gameLevel: Int = 1
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var playerScore: Int = 0
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func saveToMemeto() -> Memento {
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func saveToMemento() -> Memento {
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return ["gameLevel": gameLevel, "playerScore": playerScore]
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}
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func restoreFromMemeto(memento: Memento) {
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func restoreFromMemento(memento: Memento) {
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gameLevel = memento["gameLevel"]! as Int
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playerScore = memento["playerScore"]! as Int
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}
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gameState.playerScore = 200
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// Saves state: {gameLevel 2 playerScore 200}
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CheckPoint.saveState(gameState.saveToMemeto())
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CheckPoint.saveState(gameState.saveToMemento())
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gameState.gameLevel = 3
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gameState.gameLevel = 250
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// Restores state: {gameLevel 2 playerScore 200}
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gameState.restoreFromMemeto(CheckPoint.restorePreviousState())
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gameState.restoreFromMemento(CheckPoint.restorePreviousState())
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gameState.gameLevel = 4
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// Saves state - gameState2: {gameLevel 4 playerScore 200}
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CheckPoint.saveState(gameState.saveToMemeto(), keyName: "gameState2")
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CheckPoint.saveState(gameState.saveToMemento(), keyName: "gameState2")
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gameState.gameLevel = 5
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gameState.playerScore = 300
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// Saves state - gameState3: {gameLevel 5 playerScore 300}
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CheckPoint.saveState(gameState.saveToMemeto(), keyName: "gameState3")
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CheckPoint.saveState(gameState.saveToMemento(), keyName: "gameState3")
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// Restores state - gameState2: {gameLevel 4 playerScore 200}
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gameState.restoreFromMemeto(CheckPoint.restorePreviousState(keyName: "gameState2"))
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gameState.restoreFromMemento(CheckPoint.restorePreviousState(keyName: "gameState2"))
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```

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