#include <iostream>
#include "product_view.h"
#include <boost/mpl/list.hpp>
#include <boost/mpl/list_c.hpp>
#include <boost/mpl/for_each.hpp>

using namespace boost::mpl;

typedef	list< 
	list_c< int, 1 >,
	list_c< int, 2, 3 >, 
	list_c< int, 4, 5, 6 > 
>	Six;

typedef push_front< Six, list<> >::type	None;

void print1( int c )
{
	std::cout << c << ' ';
}

struct print
{
	template<typename L> void operator()( L ) {
		std::cout << "[ ";
		for_each<L>( print1 );
		std::cout << "]" << std::endl;
	}
};

int main()
{
	std::cout << "Source lists (1)\n";
	for_each<Six>( print() );
	std::cout << "Permutations\n";
	for_each< product_view<Six> >( print() );

	std::cout << "Source lists (2)\n";
	for_each<None>( print() );
	std::cout << "Permutations\n";
	for_each< product_view<None> >( print() );

	return 0;
}