TIL: protocols and lazy var

TIL this builds:

protocol WizardStep {
    var header: UIViewController { get }
}

final class SiteSegmentsStep: WizardStep {
    lazy var header: UIViewController = {
        return UIViewController()
    }()
}

protocol WizardStep {

var header: UIViewController { get }

}

final class SiteSegmentsStep: WizardStep {

lazy var header: UIViewController = {

return UIViewController()

}()

}

Swift never ceases to amaze me

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