if is_integer_const(cx, start, 0);
// `.len()` call
if let ExprKind::MethodCall(len_path, _, len_args, _) = end.kind;
- if len_path.ident.name == sym!(len) && len_args.len() == 1;
+ if len_path.ident.name == sym::len && len_args.len() == 1;
// `.iter()` and `.len()` called on same `Path`
if let ExprKind::Path(QPath::Resolved(_, iter_path)) = iter_args[0].kind;
if let ExprKind::Path(QPath::Resolved(_, len_path)) = len_args[0].kind;