1/* 2 * Copyright (c) 2021-2024 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 refInt(a: Int): void {} 17 18function main() : void { 19 let a: Short = /* @@ label */new Short(3); // 3 is int, invocation context won't allow primitive narrowing 20 let b: short = 2; 21 let c: short = /* @@ label1 */-b; // due to unary operator promotion, '-b' will be int, which is not assignable 22 let d: short = /* @@ label2 */b | b; // due to binary operator promotion, 'b | b' will be int, which is not assignable 23 refInt(b); // primitive widening before boxing is not allowed 24} 25 26/* @@@ label Error TypeError: No matching construct signature for std.core.Short(int) */ 27/* @@@ label1 Error TypeError: Type 'int' cannot be assigned to type 'short' */ 28/* @@@ label2 Error TypeError: Type 'int' cannot be assigned to type 'short' */ 29