std::vector<std::string> names;
const char* str = lua_tostring(L, -1);
boost::split(names, str, boost::is_any_of(", \t\r\n"));
if (names.empty()) {
/* unique name with no comma */
std::vector<std::string> names;
const char* str = lua_tostring(L, -1);
boost::split(names, str, boost::is_any_of(", \t\r\n"));
if (names.empty()) {
/* unique name with no comma */