| /** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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/licenseas/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. |
| */ |
| |
| #pragma once |
| |
| namespace org::apache::nifi::minifi::utils::internal { |
| |
| template<class T, class U> |
| bool cast_if_in_range(T in, U& out) { |
| U result = static_cast<U>(in); |
| T result_back = static_cast<T>(result); |
| constexpr const bool is_different_signedness = (std::is_signed<T>::value != std::is_signed<U>::value); |
| if (result_back != in || (is_different_signedness && ((in < T{}) != (result < U{})))) { |
| return false; |
| } |
| out = result; |
| return true; |
| } |
| |
| } // namespace org::apache::nifi::minifi::utils::internal |