A Functor that deletes Pointers from STL Sequence Containers

#include <vector>
#include <algorithm>
#include "FreePtr.h"
using namespace std;
using namespace FreePtr;


class C
    {
    char* data_;
    public:
        C()
            {
            data_ = new char[512];
            }
        ~C()
            {
            delete[] data_;
            }
    };



int main ()
    {
    vector <C*> objects;
    for (int i = 0; i < 20; ++i)
        objects.push_back(new C());
    for_each(objects.begin(), objects.end(), free_ptr<C>());
    objects.clear();

    for (int i = 0; i < 20; ++i)
        objects.push_back(new C[10]);
    for_each(objects.begin(), objects.end(), free_ptr<C, DeleteArray, ZeroPtr>());
    objects.clear();

    for (int i = 0; i < 20; ++i)
        objects.push_back((C*)malloc(sizeof(C)));
    for_each(objects.begin(), objects.end(), free_ptr<C, Free>());
    objects.clear();
    }