--- /dev/null
+#include <string>
+// serialization of string
+#include <boost/serialization/string.hpp>
+// serialization of pair
+#include <boost/serialization/utility.hpp>
+
+// std::vector
+#include <vector>
+#include <boost/serialization/vector.hpp>
+
+#include "foo.hxx"
+
+#include "other_common.hxx"
+
+using namespace std;
+
+//! test own type
+LIBT2N_EXPORT bool t3(const Foo &foo)
+{
+ return (foo.i==foo.j);
+}