// LHS of subtraction is "x.len()"
if let ExprKind::MethodCall(arg_lhs_path, _, lhs_args, _) = &lhs.kind;
- if arg_lhs_path.ident.name == sym!(len);
+ if arg_lhs_path.ident.name == sym::len;
if let Some(arg_lhs_struct) = lhs_args.get(0);
// The two vectors referenced (x in x.get(...) and in x.len())