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swift - Designated Initializer & Convenience Initializers
Designated initializers tend to set all of the p...
Swift 类的继承 convenience required
看下面的代码 class Person { var name: String...
Swift——convenience（便利构造函数）和类方法
import UIKit extension UIButton{ //swi...
Swift 【DESIGNATED，CONVENIENCE 和 REQUIRED】
DESIGNATED，CONVENIENCE 和 REQUIRED 由 王巍 (@O...