4 #include <boost/serialization/version.hpp>
10 friend class boost::serialization::access;
11 template<class Archive>
12 void serialize(Archive & ar, const unsigned int /* version */)
14 ar & BOOST_SERIALIZATION_NVP(i);
15 ar & BOOST_SERIALIZATION_NVP(j);
19 BOOST_CLASS_VERSION(Foo, 1)