Example Of Retain Cycle On Closure #4 - Fix #2

retainCycle4-Fix2.swift

class ViewController: UIViewController {
  private var onTap: (() -> Void)?
  
  override func viewDidLoad() {
    onTap = refreshTitle
  }
  
  private func refreshTitle() {
    () = { [weak self] in
      self?.title = "Refreshed"  // ✅ Doesn't capture self strongly
    }
  }
}