olbrichj

class Account: NSObject {
    var balance: Double
    var id: Int
    
    override init(id: Int, balance: Double) {
        self.id = id
        self.balance = balance
    }
    
    func withdraw(amount: Double) {

olbrichj

//Processor #1:
while f == 0 {
  OSMemoryBarrier()
  print x
}

//Processor #2:
x = 42
OSMemoryBarrier()
f = 1

olbrichj

//Processor #1:
while f == 0 {
  print x
}

//Processor #2:
x = 42
f = 1

olbrichj

var x = 100

func calculate() {
    var y = 0
    for i in 1...1000 {
        y += i
    }
    
    x = y
}

olbrichj

var title : [String] = []

func write(_ text: String) {
    let words = text.split(separator: " ")
    DispatchQueue.main.async {
        for word in words {
            title.append(String(word))
            print(word)
        }
    }

olbrichj

var title : [String] = []
var lock = NSLock()

func write(_ text: String) {
    let words = text.split(separator: " ")
    lock.lock()
    for word in words {
        title.append(String(word))
        print(word)
    }

olbrichj

func write(_ text: String) {
    let words = text.split(separator: " ")
    for word in words {
        title.append(String(word))
    }
}

write("Concurrency with Swift:") // Thread 1
write("What could possibly go wrong?") // Thread 2

olbrichj

var messages: [Message] = []

func dispatch(_ message: Message) {
  messages.append(message)
  dispatchToPlugins()
}

func dispatchToPlugins() {
  while messages.count > 0 {
    for plugin in plugins {

olbrichj

if let shortcut = voiceShortcutDataManager?.voiceShortcut(for: order) {
    let editVoiceShortcutViewController = INUIEditVoiceShortcutViewController(voiceShortcut: shortcut)
    editVoiceShortcutViewController.delegate = self
    present(editVoiceShortcutViewController, animated: true, completion: nil)
} 
else {
    if let shortcut = INShortcut(intent: order.intent) {
        let addVoiceShortcutVC = INUIAddVoiceShortcutViewController(shortcut: shortcut)
        addVoiceShortcutVC.delegate = self
        present(addVoiceShortcutVC, animated: true, completion: nil)

olbrichj

public func confirm(intent: DanceIntent, completion: @escaping (DanceIntentResponse) -> Void) {
    // Do Stuff
    completion(DanceIntentResponse(code: .play, userActivity: nil))
}

public func handle(intent: DanceIntent, completion: @escaping (DanceIntentResponse) -> Void) {
    // Do Stuff
    completion(DanceIntentResponse.success(dance: dance, playTime: 10))
}