| /** |
| * Copyright 2011-2015 Quickstep Technologies LLC. |
| * Copyright 2015 Pivotal Software, Inc. |
| * |
| * Licensed 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. |
| **/ |
| |
| #ifndef QUICKSTEP_UTILITY_VECTOR_UTIL_HPP_ |
| #define QUICKSTEP_UTILITY_VECTOR_UTIL_HPP_ |
| |
| #include <vector> |
| |
| namespace quickstep { |
| |
| /** \addtogroup Utility |
| * @{ |
| */ |
| |
| /** |
| * @brief Adds a new element \p item to a vector \p list if the element does not exist. |
| * |
| * @param item The element to be inserted to the vector. |
| * @param vec The vector to be appended to. |
| * @return True if the element is inserted. |
| */ |
| template <class Type> |
| bool AppendToVectorIfNotPresent(const Type &item, std::vector<Type> *vec) { |
| for (const Type &exist_item : *vec) { |
| if (exist_item == item) { |
| return false; |
| } |
| } |
| vec->push_back(item); |
| return true; |
| } |
| |
| /** @} */ |
| |
| } // namespace quickstep |
| |
| #endif /* QUICKSTEP_UTILITY_VECTOR_UTIL_HPP_ */ |