1 /* 2 * Copyright (c) 2022 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 16 //! derive_helper_macro example for Rust. 17 18 extern crate derive_helper_macro; 19 use derive_helper_macro::HelperAttr; 20 21 #[allow(dead_code)] 22 #[derive(HelperAttr)] 23 struct Struct { 24 #[helper] 25 field: (), 26 } 27 main()28fn main() {} 29