34 #include <boost/python.hpp> 
   42   class_<Step>( 
"Step", 
"step class")
 
   47   class_<Track>( 
"Track", 
"track class")
 
   50          return_internal_reference<>())
 
   52          return_value_policy<reference_existing_object>())
 
   55          return_value_policy<manage_new_object>())
 
const Step * GetStep2() const 
 
const Step * GetStep3() const 
 
const Step * GetStep1() const 
 
BOOST_PYTHON_MODULE(test04)