{"ast_node_type":"other","tokens":[{"end":29,"kind":"keyword","start":0,"text":"Ok(())"}]}
            Ok(()) => pat_ty,
        match self.check_struct_pat_fields(pat_ty, pat, variant, fields, has_rest_pat, pat_info) {
            Err(guar) => Ty::new_error(self.tcx, guar),