1/* 2 * Copyright (c) 2023 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 16declare function print(arg:any):string; 17 18function foo(a: number): number { 19 return a + 1; 20} 21 22function bar(a: number): number { 23 return a / 2; 24} 25 26function mol(): string { 27 return "a"; 28} 29 30function callFoo1(f, a: number): number { 31 return f(a); 32} 33 34function callFoo2(f: (n: number) => number, a: number): number { 35 return f(a); 36} 37 38function callFoo3(f: (n: number) => number, a: number): number { 39 return f(a); 40} 41 42for (let i = 0; i < 2; i++) { 43 callFoo1(foo, i); 44} 45 46for (let i = 0; i < 2; i++) { 47 callFoo2(foo, i); 48} 49 50for (let i = 0; i < 2; i++) { 51 callFoo2(bar, i); 52} 53 54let ret = callFoo3(<any>mol, 1); 55print(ret)