Functor Demo

// functor_demo.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <string>
#include <iostream>
#include <algorithm>
#include <vector>
#include <functional>

using namespace std;
class Student {
public:
    string firstName;
    string lastName;
    void show() { cout << firstName << " " << lastName << endl; }
};

int _tmain(int argc, _TCHAR* argv[])
{
    vector<Student> Grp(3);
    Grp[0].firstName="A";
    Grp[1].firstName="B";
    Grp[2].firstName="C";
    Grp[0].lastName="A";
    Grp[1].lastName="B";
    Grp[2].lastName="C";
    for_each(Grp.begin(),Grp.end(),
        mem_fun_ref(&Student::show));
    return 0;
}