Using var in for loop

protocol HasTitle {
    var ht_title: String {get set}
}

extension UIBarButtonItem: HasTitle {
    var ht_title: String {
        get {
            return self.title ?? ""
        }
        set {
            self.title = newValue
        }
    }
}

extension UIMenuItem: HasTitle {
    var ht_title: String {
        get {
            return self.title
        }
        set {
            self.title = newValue
        }
    }
}

let button = UIBarButtonItem(title: "a", style: UIBarButtonItemStyle.Plain, target: nil, action: "action")
let menu = UIMenuItem(title: "b", action: "action")

let array: [HasTitle] = [button, menu]

//without () compiler thinks that's closure 'cause we have 'in'
for (var item) in array {
    item.ht_title = item.ht_title.uppercaseString
}

for item in a {
    println(item.ht_title)
}