{"ast_node_type":"other","tokens":[{"end":44,"kind":"keyword","start":0,"text":"Slice(before,"}]}
            Slice(before, slice, after) => {
            TupleStruct(_, s, _) | Tuple(s, _) | Or(s) => s.iter().for_each(|p| p.walk_(it)),
                before.iter().chain(slice).chain(after.iter()).for_each(|p| p.walk_(it))