{"ast_node_type":"other","tokens":[{"end":12,"kind":"keyword","start":0,"text":"}"}]}
    } else {
        check_fn(&mut fcx, fn_sig, None, decl, def_id, body, tcx.features().unsized_fn_params());
        let expected_type = if let Some(infer_ty) = infer_type_if_missing(&fcx, node) {