8-13.cpp

来自「为C++学习者」· C++ 代码 · 共 26 行

#include<iostream.h>
class example
{
  int i;
public:
  example(int n)
  {
    i=n;
	cout<<"Constructing\n";
  }
  ~example()
  {cout<<"Destructing\n";}
  int get_i()
  {return i;}
};
int sqr_it(example o)
{
  return o.get_i() *o.get_i();
}
main()
{
  example x(10);
  cout<<x.get_i()<<endl;
  cout<<sqr_it(x)<<endl;
  return 0;
}