UIAlertController interface

struct ActionSheet {
    let title: String
    let buttons: [Button]

    var AlertController: UIAlertController {
        let alert = UIAlertController(title: self.title, message: nil, preferredStyle: .ActionSheet)

        for button in self.buttons {
            alert.addAction(button.AlertAction)
        }

        alert.addAction(UIAlertAction(title: "Cancel", style: UIAlertActionStyle.Cancel, handler: nil))

        return alert
    }
}

struct Button {
    let title: String
    let handler: ((UIAlertAction) -> Void)?

    var AlertAction: UIAlertAction {
        return UIAlertAction(title: self.title, style: .Default, handler: self.handler)
    }
}