#include
#include
using namespace std;
class C
{
char c1; char c2;
public:friend void set(C &s, char c1, char c2);
C(char a, char b)
{
c1 = a; c2 = b;
cout << "C constructor" << endl;
}
C(const C &rhs)
{
c1 = rhs.c1;
c2 = rhs.c2;
cout << "C copy" << endl;
}
C &operator = (C const &rhs)
{
c1 = rhs.c1;
c2 = rhs.c2;
cout << "C operator" << endl;
return *this;
}
~C()
{
cout << "c1=" << c1 << ";c2="< }
};
void set(C &s, char c, char d){ s.c1 = c; s.c2 = d; }
C fun(C obj){ set(obj, '7', '9'); return obj; }
void main()
{
C obj('7', '8');
C obj1 = obj;
obj1 = fun(obj);
