#include <boost/python.hpp>

#include <boost/python/list.hpp>

#include <boost/python/extract.hpp>

#include <string>

#include <sstream>

#include <vector>

struct World

{

void set(std::string msg) { mMsg = msg; }

void many(boost::python::list msgs) {

long l = len(msgs);

std::stringstream ss;

for (long i = 0; i<l; ++i) {

if (i>0) ss << ", ";

std::string s = boost::python::extract<std::string>(msgs[i]);

ss << s;

}

mMsg = ss.str();

}

std::string greet() { return mMsg; }

std::string mMsg;

};

using namespace boost::python;

BOOST_PYTHON_MODULE(classes)

{

class_<World>("World")

.def("greet", &World::greet)

.def("set", &World::set)

.def("many", &World::many)

;

};