Weak Self Example

weakSelf.swift

//
//  main.swift
//  Closures-4Jul2023
//
//  Created by Tornike on 04/07/2023.
//

import Foundation

typealias OnAuthenticateCompletion = ((Bool) -> Void)


var closureVariable: OnAuthenticateCompletion?

class Manager {
  var managerName: String

  public init(name: String) {
    managerName = name
  }

  func bind() {
    var number = 10
    closureVariable = { [weak self] isSuccess in
      guard let self = self else {
        print(" Manager object is dead, and closure is not possible to happen")
        return
      }

      if isSuccess {
        print(self.managerName)
        print(number)
      } else {
        print("KARGAD IKAVI")
      }
    }

    print("Bind function finished")
  }

}

var manager: Manager? = Manager(name: "Manager") //1

manager?.bind() // 1

manager = nil // 0

closureVariable?(true)