1/* 2 * Copyright (c) 2024-2025 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 16type AliasPrimitive<T> = T; 17type AliasAlias<T> = AliasPrimitive<T>; 18 19function fn(p: Double) 20{ 21 assertEQ(p, 42) 22} 23 24function main() { 25 let v1 : double = new Int(42); // widening 26 fn(v1); 27 28 let v2 : AliasPrimitive<double> = new Int(42); // widening 29 fn(v2); 30 31 let v3 : AliasAlias<double> = new Int(42); // widening 32 fn(v3); 33} 34