1 /** 2 * Copyright (c) 2021-2022 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 #ifndef LIBPANDABASE_OS_ERROR_H 17 #define LIBPANDABASE_OS_ERROR_H 18 19 #include <string> 20 #include <variant> 21 22 #include "macros.h" 23 24 namespace panda::os { 25 26 class Error { 27 public: Error(int err)28 explicit Error(int err) : err_(err) {} 29 Error(std::string msg)30 explicit Error(std::string msg) : err_(std::move(msg)) {} 31 32 std::string ToString() const; 33 34 virtual ~Error() = default; 35 36 DEFAULT_COPY_SEMANTIC(Error); 37 DEFAULT_MOVE_SEMANTIC(Error); 38 39 private: 40 std::variant<int, std::string> err_; 41 }; 42 43 } // namespace panda::os 44 45 #endif // LIBPANDABASE_OS_ERROR_H 46