- for (lst::const_iterator i = rll.begin(); i != rll.end(); ++i) {
- if (i->info(info_flags::nonnegint))
- rls.insert(ex_to<numeric>(*i).to_int());
+ for (auto & it : rll) {
+ if (it.info(info_flags::nonnegint))
+ rls.insert(ex_to<numeric>(it).to_int());