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 16interface A { 17 foo1: () => void 18 foo2: () => int 19} 20 21class B implements A { 22 foo1 = () => { } 23 foo2 = (): int => { 24 return 2 25 } 26} 27 28function main(): void { 29 let b: B = new B() 30 let x1 = b.foo1 31 let x2 = b.foo2 32 b.foo1() 33 x1() 34 assertEQ(b.foo2(), 2) 35 x2() 36} 37