#include <boost/iterator.hpp>
#include <boost/iterator/iterator_adaptor.hpp>

#include <iostream>

class my_old_iterator {
public:
    my_old_iterator() : m_i(0) {}

    void advance() { ++m_i; }
    int current() { return m_i; }
    bool eof() { return m_i == 10; }
private:
    int m_i;
};


class adapted_iterator :
public boost::iterator_adaptor< adapted_iterator, my_old_iterator, int, 
	std::forward_iterator_tag>
{
public:
    
};

int main()
{
    adapted_iterator i, e;
}