13af6ab5fSopenharmony_ci/*
23af6ab5fSopenharmony_ci * Copyright (c) 2021-2024 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_cifunction fn(...ns: (Object|null|undefined)[]): int {
173af6ab5fSopenharmony_ci    let sum: int = 0
183af6ab5fSopenharmony_ci    for (const n of ns) {
193af6ab5fSopenharmony_ci        sum += n as Int
203af6ab5fSopenharmony_ci    }
213af6ab5fSopenharmony_ci    return sum
223af6ab5fSopenharmony_ci}
233af6ab5fSopenharmony_ci
243af6ab5fSopenharmony_cifunction main(): int {
253af6ab5fSopenharmony_ci    const fp: FunctionN<int> = fn
263af6ab5fSopenharmony_ci    assert(fp(2, 3, 5) == 10)
273af6ab5fSopenharmony_ci    const fp2: FunctionN<int> = (...vs: (Object|null|undefined)[]): int => {
283af6ab5fSopenharmony_ci        let sum: int = 0
293af6ab5fSopenharmony_ci        for (const v of vs) {
303af6ab5fSopenharmony_ci            sum += v as Int
313af6ab5fSopenharmony_ci        }
323af6ab5fSopenharmony_ci        return sum
333af6ab5fSopenharmony_ci    }
343af6ab5fSopenharmony_ci    assert (fp2(7, 11, 13) == 31)
353af6ab5fSopenharmony_ci    return 0
363af6ab5fSopenharmony_ci}
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