MVP Example

MyContract.swift

protocol MyViewContract: class {

}

protocol MyPresenterContract {

}

MyPresenter.swift

class MyPresenter {

    fileprivate weak var view: MyViewContract?
    fileprivate let task: Task

    init(view: MyViewContract, task: Task) {
        self.view = view
        self.task = task
    }

}

// MARK: - MyPresenterContract
extension MyPresenter: MyPresenterContract {
  
}

MyViewController.swift

class MyViewController: UIViewController {

    fileprivate var presenter: MyPresenterContract?

    convenience init(task: Task) {
        self.init(nibName: nil, bundle: nil)

        presenter = MyPresenter(view: self, task: task)
    }
}

// MARK: - MyViewContract
extension MyViewController: MyViewContract {
    
}