#include <boost/functional.hpp>
#include <boost/shared_ptr.hpp>
#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;

class ClassA {
	int val;
public:
	ClassA(): val( 0 ) {}
	ClassA(int i): val(i) {}
	bool z(ClassA &two) {return val == two.val;}
	void print() {cout<<" classA = " << val << endl;}
};

typedef vector<boost::shared_ptr<ClassA> > v_t;
v_t v;

int main(int argc, char *argv[])
{
	ClassA *cz = new ClassA( 3 );
	v.push_back(boost::shared_ptr<ClassA>(new ClassA( 1 )));
	v.push_back(boost::shared_ptr<ClassA>(new ClassA( 2 )));
	v_t::iterator itr = find_if(v.begin(), v.end(), boost::bind2nd(boost::mem_fun(&ClassA::z), *cz));
	(*itr)->print();
	char c;
	cin>>c;
	return  0 ;
}