{"ast_node_type":"other","tokens":[{"end":84,"kind":"keyword","start":0,"text":"//"}]}
                        // Add matches from this repetition to the `matches` of `up`
                        new_pos.bindings = bindings_builder.copy(&new_pos.bindings);
                        bindings_builder.push_nested(&mut new_pos.bindings, &item.bindings);