{"ast_node_type":"other","tokens":[{"end":84,"kind":"keyword","start":0,"text":"self.infer_mut_not_expr_iter(args.iter().copied().chain(Some(*it)));"}]}
                self.infer_mut_not_expr_iter(args.iter().copied().chain(Some(*it)));
            | Expr::Call { callee: it, args } => {
            }