explicitDependency.swift

class FeedViewModel {}

class FeedViewController: UIViewController {
  
  private var viewModel: FeedViewModel?
    
    init(viewModel: FeedViewModel) {
        self.viewModel = viewModel
        super.init(nibName: nil, bundle: nil)
    }
    
    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    override func viewDidLoad(){
        super.viewDidLoad()
    }
  
}