C++学习笔记： 智能指针

c++ 智能指针学习新的

 class Simple {
  public:
   Simple(int param = ) {
     number = param;
     std::cout << "Simple: " << number << std::endl;
   }

   ~Simple() {
     std::cout << "~Simple: " << number << std::endl;
   }

   void PrintSomething() {
     std::cout << "PrintSomething: " << info_extend.c_str() << std::endl;
   }

   std::string info_extend;
   int number;
 };