Example Of Retain Cycle On Closure #4 - Fix

retainCycle4-Fix.swift

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