{"ast_node_type":"variable","tokens":[{"end":96,"kind":"keyword","start":0,"text":"let"}]}
                            let end = match cur_line.char_indices().nth(cur_lo.col.to_usize()) {
                        if let Some(cur_line) = sf.get_line(cur_lo.line - 1) {
                                Some((i, _)) => i,