13af6ab5fSopenharmony_ci/* 23af6ab5fSopenharmony_ci * Copyright (c) 2024 Huawei Device Co., Ltd. 33af6ab5fSopenharmony_ci * Licensed under the Apache License, Version 2.0 (the "License"); 43af6ab5fSopenharmony_ci * you may not use this file except in compliance with the License. 53af6ab5fSopenharmony_ci * You may obtain a copy of the License at 63af6ab5fSopenharmony_ci * 73af6ab5fSopenharmony_ci * http://www.apache.org/licenses/LICENSE-2.0 83af6ab5fSopenharmony_ci * 93af6ab5fSopenharmony_ci * Unless required by applicable law or agreed to in writing, software 103af6ab5fSopenharmony_ci * distributed under the License is distributed on an "AS IS" BASIS, 113af6ab5fSopenharmony_ci * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 123af6ab5fSopenharmony_ci * See the License for the specific language governing permissions and 133af6ab5fSopenharmony_ci * limitations under the License. 143af6ab5fSopenharmony_ci */ 153af6ab5fSopenharmony_ci 163af6ab5fSopenharmony_citype lambdaType = (alma?: int) => void; 173af6ab5fSopenharmony_ci 183af6ab5fSopenharmony_ciclass Klass { 193af6ab5fSopenharmony_ci private variable: lambdaType; 203af6ab5fSopenharmony_ci 213af6ab5fSopenharmony_ci constructor(variable: lambdaType) { 223af6ab5fSopenharmony_ci this.variable = variable; 233af6ab5fSopenharmony_ci } 243af6ab5fSopenharmony_ci 253af6ab5fSopenharmony_ci public doIt(): void { 263af6ab5fSopenharmony_ci this.variable(); 273af6ab5fSopenharmony_ci this.variable(10); 283af6ab5fSopenharmony_ci } 293af6ab5fSopenharmony_ci} 303af6ab5fSopenharmony_ci 313af6ab5fSopenharmony_cifunction main(): void { 323af6ab5fSopenharmony_ci let foo = (a?: int) => { 333af6ab5fSopenharmony_ci assert(a == undefined || a == 10); 343af6ab5fSopenharmony_ci } 353af6ab5fSopenharmony_ci 363af6ab5fSopenharmony_ci let c = new Klass(foo); 373af6ab5fSopenharmony_ci c.doIt(); 383af6ab5fSopenharmony_ci} 39