- cxx_id = replace_all (cxx_id, "_less?", "<?");
- cxx_id = replace_all (cxx_id, "_2_", "->");
- cxx_id = replace_all (cxx_id, "__", "::");
- cxx_id = replace_all (cxx_id, '_', '-');
+ replace_all (&cxx_id, "_less?", "<?");
+ replace_all (&cxx_id, "_2_", "->");
+ replace_all (&cxx_id, "__", "::");
+ replace_all (&cxx_id, '_', '-');