{"ast_node_type":"other","tokens":[{"end":91,"kind":"keyword","start":0,"text":"ctx.arena.alloc_from_iter(fmt.template.iter().enumerate().filter_map(|(i,"}]}
        ctx.arena.alloc_from_iter(fmt.template.iter().enumerate().filter_map(|(i, piece)| {
    let lit_pieces =
            match piece {