{"ast_node_type":"other","tokens":[{"end":38,"kind":"keyword","start":0,"text":"ast::Pat::TuplePat(p)"}]}
            ast::Pat::TuplePat(p) => {
            ast::Pat::ParenPat(p) => return self.collect_pat_opt(p.pat(), binding_list),
                let (args, ellipsis) = self.collect_tuple_pat(