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有人可以幫我弄清楚爲什麼我不能在使用Xcode6的Swift中修復這個錯誤?我試圖初始化所有的按鈕,所以他們不是零,它告訴我,當我以爲我沒有宣佈什麼。有什麼建議麼?所需的init方法行給我錯誤。'預期的聲明'初始化函數錯誤(swift)
import UIKit
class ViewController: UIViewController {
@IBOutlet weak var displayLabel: UILabel!
@IBOutlet weak var buttonOne: UIButton!
@IBOutlet weak var buttonTwo: UIButton!
@IBOutlet weak var buttonThree: UIButton!
@IBOutlet weak var buttonClear: UIButton!
@IBOutlet weak var buttonFour: UIButton!
@IBOutlet weak var buttonFive: UIButton!
@IBOutlet weak var buttonSix: UIButton!
@IBOutlet weak var buttonX: UIButton!
@IBOutlet weak var buttonSeven: UIButton!
@IBOutlet weak var buttonEight: UIButton!
@IBOutlet weak var buttonNine: UIButton!
@IBOutlet weak var buttonDiv: UIButton!
@IBOutlet weak var buttonPlus: UIButton!
@IBOutlet weak var buttonZero: UIButton!
@IBOutlet weak var buttonMin: UIButton!
@IBOutlet weak var buttonEq: UIButton!
@IBOutlet weak var buttonSet: UIButton!
var userIsTyping: Bool = false
required init(coder aDecoder: NSCoder) {
displayLabel = UILabel()
buttonOne = UIButton()
buttonTwo = UIButton()
buttonThree = UIButton()
buttonFour = UIButton()
buttonFive = UIButton()
buttonSix = UIButton()
buttonSeven = UIButton()
buttonEight = UIButton()
buttonNine = UIButton()
buttonZero = UIButton()
buttonClear = UIButton()
buttonX = UIButton()
buttonPlus = UIButton()
buttonDiv = UIButton()
buttonMin = UIButton()
buttonEq = UIButton()
buttonSet = UIButton()
super.init(coder: aDecoder)
}