1/* 2 * Copyright (c) 2022-2024 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 16enum E { a = 1, b = 2 }; 17 18let ill = E; 19 20// legal 21E[E.a]; 22(e: E.a) => E[e]; 23(e: E) => E[e]; 24 25// check required in future 26E[1]; 27(e: E.a | E.b) => E[e]; 28(e: number) => E[e]; 29