#include <string>
#include <iostream>
#include <vector>

using namespace std;

class A
{
public:
    A() {cout << "constructed " << (void*)this << "\n";}
    A(const A& a) {cout << "copied " << (void*)(&a) << " to " << (void*)this << "\n"; }
    A& operator =(const A& a) {cout << "assigned " << (void*)(&a) << " to " << (void*)this << "\n"; }
    ~A() { cout << "destructor called for " << (void*)this << "\n"; }
};

int main ()
{
    A one, two;

    vector<A> vec;
    cout << "push_back one" << endl;
    vec.push_back(one);
    cout << "push_back two" << endl;
    vec.push_back(two);
    //destructor gets called here
    return 0;
}