1/* 2 * Copyright (c) 2023 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 17type Keys = 'a' | 'b' | 'c' | 'd'; 18 19const p = { 20 a: 0, 21 b: "hello", 22 x: 8 23} satisfies Partial<Record<Keys, unknown>>; 24 25let a = p.a.toFixed(); 26let b = p.b.substring(1); 27let d = p.d;