blob: bc31b85c257236116c0cdf305bae6dae22e70d58 [file] [log] [blame]
/**
*
* 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