SDK 8.3不可变值…只有名为'append'的变异成员

我更新到Xcode SDK 8.3和Swift 1.2:我自动转换使用新的菜单项:编辑 – >转换 – >“到最新的Swift语法”。 它解决了所有的? 错误,但我留下了这一个:

types'[DetailView]'的不可变值只有名为'append'的变异成员

类DetailView

class DetailView { var title: String var icon: UIImage var fontColor: UIColor var highlightOpaqueColor: UIColor init(title: String, icon:UIImage, fontColor: UIColor, highlightOpaqueColor: UIColor){ self.title = title self.icon = icon self.fontColor = fontColor self.highlightOpaqueColor = highlightOpaqueColor } 

类DetailViewSteps:DetailView

 class DetailViewSteps:DetailView { override init( title: String, icon: UIImage, fontColor: UIColor, highlightOpaqueColor:UIColor){ super.init( title: title, icon: icon, fontColor:fontColor, highlightOpaqueColor:highlightOpaqueColor, } 

类DetailViewInstanceList

 class DetailViewInstanceList { let detailView:[DetailView] = [] class var sharedInstance: DetailViewInstanceList { struct Singleton { static let instance = DetailViewInstanceList() } return Singleton.instance } let assets = Assets() init(){ println("setting up DetailViewInstanceList") var steps = DetailViewSteps( title: "Steps", icon: UIImage(named: assets.stepsIconFileName)!, fontColor: assets.stepsFontColor, highlightOpaqueColor: assets.stepsOpaqueColor, //Add it to the array detailView.append(steps) <-- error! 

错误发生在最后一行。 我想初始化类与VAR步骤= DetailViewSteps(…将解决不可变的,但没有任何帮助将非常感激!谢谢

var detailView:[DetailView] = []

让是不可变的,var是可变的。