1/*
2 * Copyright (c) 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
16function gf(x: String, fn: (x?: String) => Int): Int {
17  return fn(x)
18}
19
20function main(): void {
21   gf("abc" as String, (x: String): Int => { return x=="TEST"?0:1})
22}
23
24/* @@? 21:24 Error TypeError: Type '(x: String) => Int' is not compatible with type '() => Int|(p1: undefined|String) => Int' at index 2  */
25/* @@? 21:4 Error TypeError: No matching call signature  */
26