Swift函数公开

 //函数公开访问
   public func show(){
        print("姓名:\(name),年龄:\(age),身高:\(height)")
    }
    deinit{
        self.name=""
        self.age=""
        print("调用了函数")
    }
//打印
//调用
var DyStudent:Student?=Student(name: "小王", age: "20岁")
DyStudent!.name="小刚"
//DyStudent.name="小王"
DyStudent!.run()
print(DyStudent!.height)
DyStudent!.show()
DyStudent = nil