{"ast_node_type":"other","tokens":[{"end":83,"kind":"keyword","start":0,"text":"TupleStruct(_,"}]}
            TupleStruct(_, _, ps) | Tuple(ps) | Slice(ps) | Or(ps) => for p in ps {
            // These are list-like patterns; parens can always be removed.
                self.check_unused_parens_pat(cx, p, false, false, keep_space);