main.cpp

this a good book.

#include<iostream.h>

class C0
{
	int m_Number;
public:
	C0(int i)
	{
		m_Number = i;
	}
	/*****found****/
	friend operator --()
	{
		m_Number--;
	}
		/*****found****/
	operator --()
	{
		m_Number-=2;
	}
	void print()
	{
		cout<<"m_Number= "<<m_Number<<endl;
	}
};

void main()
{
	C0 obj(10);
	/*****found****/
	--obj;
	obj.print();
	--obj;
	obj.print();
}