gistfile1.cpp

#pragma once
#include <boost/asio.hpp>
#include <sol.hpp>

namespace asio_sol {
    void install_io_service(sol::state& lua) {
        // ways to construct go here through sol::types<...> groups
        sol::constructors<sol::types<>> ctor;
        sol::userdata<boost::asio::io_service> io_service(
            "io_service", ctor,
            "run", [] (boost::asio::io_service& s) { s.run(); }
        );
        auto asio = lua.get<sol::table>("asio");
        asio.set_userdata(io_service);
    }
}