boolean-publisher-example-1

class AgreementFormVC: UIViewController {

    @Published var isNextEnabled: Bool = false
    @IBOutlet private weak var acceptAgreementSwitch: UISwitch!
    @IBOutlet private weak var nextButton: UIButton!

    override func viewDidLoad() {
        super.viewDidLoad()
        
        $isNextEnabled
            .receive(on: DispatchQueue.main)
            .assign(to: \.isEnabled, on: nextButton)
    }
    
    @IBAction func didSwitch(_ sender: UISwitch) {
        isNextEnabled = sender.isOn
    }
    
}