1/* 2 * Copyright (c) 2023-2024 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 16class A {} 17class B {} 18 19function fn<T>(x:T) {} 20 21function main() : void { 22 let b = new B(); 23 24 fn<A>(b); 25} 26 27/* @@? 24:9 Error TypeError: Type 'B' is not compatible with type 'A' at index 1 */ 28/* @@? 24:3 Error TypeError: No matching call signature for fn(B) */