/* The following code example is taken from the book
* "The C++ Standard Library - A Tutorial and Reference"
* by Nicolai M. Josuttis, Addison-Wesley, 1999
*
* (C) Copyright Nicolai M. Josuttis 1999.
* Permission to copy, use, modify, sell and distribute this software
* is granted provided this copyright notice appears in all copies.
* This software is provided "as is" without express or implied
* warranty, and with no claim as to its suitability for any purpose.
*/
//#define mem_fun1 mem_fun
#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <functional>

class Person {
private:
   std::string name;
public:
   //...
   void print () const {
       std::cout << name << std::endl;
   }
   void printWithPrefix (std::string prefix) const {
       std::cout << prefix << name << std::endl;
   }
};

void foo (const std::vector<Person>& coll)
{
   using std::for_each;
   using std::bind2nd;
   using std::mem_fun_ref;

   // call member function print() for each element
   for_each (coll.begin(), coll.end(), mem_fun_ref(&Person::print));

   // call member function printWithPrefix() for each element
   // - "person: " is passed as an argument to the member function

   for_each (coll.begin(), coll.end(),bind2nd(mem_fun_ref(&Person::printWithPrefix),"person: "));
}

void ptrfoo (const std::vector<Person*>& coll)
                                   // ^^^ pointer !

{
   using std::for_each;
   using std::bind2nd;
   using std::mem_fun;

   // call member function print() for each referred object
   for_each (coll.begin(), coll.end(),

             mem_fun(&Person::print));

   // call member function printWithPrefix() for each referred object
   // - "person: " is passed as an argument to the member function

   for_each (coll.begin(), coll.end(),bind2nd(mem_fun(&Person::printWithPrefix),"person: "));
} 
 
int main()
{

   std::vector<Person> coll(5);
   foo(coll); 
   std::vector<Person*> coll2;
   coll2.push_back(new Person);
   ptrfoo(coll2);
} 
/*

person:
person:
person:
person:
person:
person: 

*/