13af6ab5fSopenharmony_ci/*
23af6ab5fSopenharmony_ci * Copyright (c) 2023-2024 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_ci    // Compile-time error with noImplicitAny
173af6ab5fSopenharmony_ci    function f(x: number) {
183af6ab5fSopenharmony_ci        if (x <= 0) {
193af6ab5fSopenharmony_ci            return x
203af6ab5fSopenharmony_ci        }
213af6ab5fSopenharmony_ci        return g(x)
223af6ab5fSopenharmony_ci    }
233af6ab5fSopenharmony_ci
243af6ab5fSopenharmony_ci    // Compile-time error with noImplicitAny
253af6ab5fSopenharmony_ci    function g(x: number) {
263af6ab5fSopenharmony_ci        return f(x - 1)
273af6ab5fSopenharmony_ci    }
283af6ab5fSopenharmony_ci
293af6ab5fSopenharmony_ci    function doOperation(x: number, y: number) {
303af6ab5fSopenharmony_ci        return x + y
313af6ab5fSopenharmony_ci    }
323af6ab5fSopenharmony_ci
333af6ab5fSopenharmony_ci    console.log(f(10))
343af6ab5fSopenharmony_ci    console.log(doOperation(2, 3))
353af6ab5fSopenharmony_ci
363af6ab5fSopenharmony_ci    function f1(x: number) : number {
373af6ab5fSopenharmony_ci        if (x <= 0) {
383af6ab5fSopenharmony_ci            return x
393af6ab5fSopenharmony_ci        }
403af6ab5fSopenharmony_ci        return g1(x)
413af6ab5fSopenharmony_ci    }
423af6ab5fSopenharmony_ci
433af6ab5fSopenharmony_ci    function g1(x: number) {
443af6ab5fSopenharmony_ci        return f1(x - 1)
453af6ab5fSopenharmony_ci    }
463af6ab5fSopenharmony_ci
473af6ab5fSopenharmony_ci    function doOperation1(x: number, y: number) {
483af6ab5fSopenharmony_ci        return x + y
493af6ab5fSopenharmony_ci    }
503af6ab5fSopenharmony_ci
513af6ab5fSopenharmony_ci    console.log(f1(10))
523af6ab5fSopenharmony_ci    console.log(doOperation1(2, 3))
53