{"ast_node_type":"other","tokens":[{"end":95,"kind":"keyword","start":0,"text":"hir_def::hir::Pat::TupleStruct"}]}
            hir_def::hir::Pat::TupleStruct { ref args, ellipsis, .. } if variant.is_some() => {
                let expected_len = variant.unwrap().fields(self.db).fields().len();