{"ast_node_type":"other","tokens":[{"end":72,"kind":"keyword","start":0,"text":"args.named_args.iter().map(|(&sym,"}]}
        args.named_args.iter().map(|(&sym, &idx)| (idx, sym)).collect();
    let named_pos: FxHashMap<usize, Symbol> =
    let mut line_spans = Vec::with_capacity(args.templates.len());