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iOS Enumerations and Optionals in Swift Introduction to Enumerations Enum Methods

This challenge specifically tells you to use UIBarButtonStyle but the compiler says its an unresolved identifier.

It works in Xcode if you use UIBarButtonItemStyle.

Is this just a typo in the question?

buttons.swift
// Example of UIBarButtonItem instance
// let someButton = UIBarButtonItem(title: "A Title", style: .plain, target: nil, action: nil)
enum BarButton {
    case done(title: String)
    case edit(title: String)

    func button() -> UIBarButtonItem {
        switch self {
        case .done(let title) :
        return UIBarButtonItem(title: title, style: UIBarButtonStyle.done, target: nil, action: nil)
        case .edit(let title) :
            return UIBarButtonItem(title: title, style: UIBarButtonStyle.plain, target: nil, action: nil)
        }
    }
}

let done = BarButton.done(title: "Save")
let button = done.button()

1 Answer

Jeff McDivitt
Jeff McDivitt
23,970 Points

I believe you are confused by the directions; the style I just plain for both

enum BarButton {
    case done(title: String)
    case edit(title: String)

    func button() -> UIBarButtonItem{
        switch self {
        case .done(let title):
            return UIBarButtonItem(title: title, style: .plain, target: nil, action: nil)
        case .edit(let title):
            return UIBarButtonItem(title: title, style: .plain, target: nil, action: nil)
    }
}

}
let done = BarButton.done(title: "Save")
let button = done.button()