{"ast_node_type":"variable","tokens":[{"end":33,"kind":"keyword","start":0,"text":"let"}]}
        let mut dropline_blocks =
            if unwind.is_cleanup() { None } else { Some(Vec::with_capacity(adt.variants().len())) };
            if dropline.is_none() { None } else { Some(Vec::with_capacity(adt.variants().len())) };