modrepublic

// pointers worky

#include

class A {
public:
void setMember(A& m) { this->member = &m; }

A* member;
int x;
};

int main(int argc, char** argv) {
A a, b;
a.x = 2;
b.x = 3;
a.setMember(b);
b.setMember(a);

std::cout x = " x