const::sparkling_heart:const的可爱代码 源码

康斯特 :sparkling_heart: const的可爱代码 概要 从: class ViewController : UIViewController { struct Const { static let width : CGFloat = 100 static let height : CGFloat = 100 static let backgroundColor : UIColor = . black } override func viewDidLoad () { let subview = UIView ( frame : CG