#include <fstream>
#include <iostream>
#include <boost/archive/xml_iarchive.hpp>
#include <boost/archive/xml_oarchive.hpp>
#include <boost/serialization/export.hpp>

class A
{
	friend class boost::serialization::access;
	int i;
	template<class Archive> void serialize (Archive& ar, const unsigned int version)
	{
		ar & BOOST_SERIALIZATION_NVP( i );
	}
	virtual void foo() {}
};

template<typename T> class B: public A
{
	friend class boost::serialization::access;
	unsigned int a;
	template<class Archive> void serialize (Archive& ar, const unsigned int version)
	{
		ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP( A );
		ar & BOOST_SERIALIZATION_NVP( a );
	}
};

//typedef B<int> bint;
BOOST_CLASS_EXPORT( B<int> )
BOOST_CLASS_EXPORT( A )

int main()
{
  {
    std::ofstream fs( "test.xml" );
    BOOST_ASSERT( fs.good() );
    boost::archive::xml_oarchive archive( fs );

    A* b = new B<int>();
    archive & BOOST_SERIALIZATION_NVP( b );
    delete b;
  }
	std::cout << "finished writing" << std::endl;
  {
    std::ifstream fs( "test.xml" );
    BOOST_ASSERT( fs.good() );
    boost::archive::xml_iarchive archive( fs );

    A* b;
    archive & BOOST_SERIALIZATION_NVP( b );
    delete b;
  }
	std::cout << "finished reading" << std::endl;
}