{"ast_node_type":"other","tokens":[{"end":43,"kind":"keyword","start":0,"text":"self.write_ty(pat.hir_id,"}]}
            self.write_ty(pat.hir_id, err);
            self.write_ty(hir_id, err);
            let mut visitor = OverwritePatternsWithError { pat_hir_ids: vec![] };