| class ViewController: UIViewController { | |
| @IBOutlet weak var emailTF: UnderlinedTextField! | |
| @IBOutlet weak var passwordTF: UnderlinedTextField! | |
| @IBOutlet weak var backgroundSV: UIScrollView! | |
| static func storyboardInstance() -> Solution3VC? { | |
| let storyboard = UIStoryboard(name: Storyboard.main ,bundle: nil) | |
| return storyboard.instantiateViewController(withIdentifier: "Solution3VC") as? Solution3VC | |
| } |
Picking the right architecture = Picking the right battles + Managing trade-offs
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| class LLNode { | |
| var data: Int | |
| var next: LLNode? | |
| init(value: Int) { | |
| self.data = value | |
| } | |
| } | |
| func reversePairs(node: LLNode?) { |
| class LLNode { | |
| var data: Int | |
| var next: LLNode? | |
| init(value: Int) { | |
| self.data = value | |
| } | |
| } | |
| func reversePairRecursion(node: LLNode?) -> LLNode? { |
| enum DNPDateFormatter { | |
| case humanDay | |
| case time | |
| func info(_ forDate: Date) -> String { | |
| return formatters().string(from: forDate) | |
| } | |
| private func formatters() -> DateFormatter { |
| // MARK: - Pan | |
| typealias HandlePanGesture = MSAlertController | |
| extension HandlePanGesture: UIGestureRecognizerDelegate { | |
| @objc func handlePan(sender: UIPanGestureRecognizer) { | |
| switch sender.state { | |
| case .began: | |
| startLocation = sender.location(in: view) | |
| if let direction = sender.direction { | |
| if animator?.currentState == .closed { | |
| if direction == .left { |
| func finalState() -> (() -> Void) { | |
| return { [weak self] in | |
| if let weakSelf = self { | |
| weakSelf.alertView.textIndicator.alpha = 0.0 | |
| weakSelf.sideView.alpha = 1.0 | |
| weakSelf.alertView.headerTitle.alpha = 0 | |
| weakSelf.cancelBttn.alpha = 0 | |
| } | |
| } | |
| } |
| // Alertview state | |
| enum State { | |
| case closed | |
| case open | |
| } | |
| extension State { | |
| var opposite: State { | |
| switch self { | |
| case .open: return .closed |
| func addGesture() { | |
| let pan = InstantPanGestureRecognizer(target: self, action: #selector(handlePan)) | |
| pan.delegate = self | |
| alertView.addGestureRecognizer(pan) | |
| } |
