| /** |
| * 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/licenses/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 |
| |
| #include <type_traits> |
| |
| #include <gsl-lite/gsl-lite.hpp> |
| |
| namespace org::apache::nifi::minifi { |
| |
| namespace gsl = ::gsl_lite; |
| |
| namespace utils { |
| |
| template<typename T> |
| struct is_not_null : std::false_type {}; |
| template<typename T> |
| struct is_not_null<gsl::not_null<T>> : std::true_type {}; |
| template<typename T> |
| inline constexpr bool is_not_null_v = is_not_null<T>::value; |
| |
| } // namespace utils |
| |
| } // namespace org::apache::nifi::minifi |
