swift(3.0) 内存地址的打印

(1)方法:

Unmanaged.passRetained(对象名 as AnyObject)

这个方法不光会打印地址还会打印对象的内容;

let myview:UIButton = UIButton(frame:CGRect.init(x: 100, y: 100, width: 100, height: 100))

print("地址 : \(Unmanaged.passRetained(myview as AnyObject))")

打印:

(2)直接继承NSObject的类

print(对象名)

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