操作符重载

#include <iostream>

using namespace std;

class Test

{

public:

       bool operator==( const Test&) const;

       Test& operator=( const Test&);

       int num;//(为了方便，放到公有成员)

private:

      

};

 

bool Test::operator==( const Test& rhs) const

{

       return num == rhs.num;

}

 

Test& Test::operator=( const Test& rhs)

{

        num = rhs.num;

        return  *this;

}

 

int main()

{

      Test a;

      a.num = 2;

      Test b;

      b.num = 3;

      if(a == b)

               cout << "E" << endl;

      else

               cout << "NE" << endl;

      b = a;

 

      return 0;

}