/*
 * Copyright (c) 2023 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

declare function print(arg:any):string;

let undf: any = undefined;
let falseValue: boolean = false;
let trueValue: boolean = true;
let nullValue: any = null;

// neg op
print("====== neg ======");
print(-undf);
print(-falseValue);
print(-trueValue);
print(-nullValue);

// not op
print("====== not ======");
print(~undf);
print(~falseValue);
print(~trueValue);
print(~nullValue);

// inc op
print("====== inc ======");
print(++undf);
print(++falseValue);
print(++trueValue);
print(++nullValue);


// dec op
print("====== dec ======");
print(--undf);
print(--falseValue);
print(--trueValue);
print(--nullValue);