2 * Copyright (c) 2020 Samsung Electronics Co., Ltd. All Rights Reserved
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 #ifndef __SOUSCHEF_DATASET_H__
18 #define __SOUSCHEF_DATASET_H__
22 #include <google/protobuf/repeated_field.h>
27 template <typename T> class Dataset
30 Dataset(const std::vector<T> &vec) : _vec{vec}
36 Dataset(std::vector<T> &&vec) : _vec{std::move(vec)}
42 template <typename Func> auto map(Func f) const -> Dataset<decltype(f(std::declval<T>()))>
44 using U = decltype(f(std::declval<T>()));
47 for (const auto &elem : _vec)
49 res.emplace_back(f(elem));
52 return Dataset<U>(std::move(res));
56 const std::vector<T> &vectorize(void) const { return _vec; }
62 template <typename T> std::vector<T> as_vector(const ::google::protobuf::RepeatedPtrField<T> &field)
65 for (const auto &elem : field)
67 res.emplace_back(elem);
72 template <typename T> Dataset<T> as_dataset(const ::google::protobuf::RepeatedPtrField<T> &field)
74 return Dataset<T>(as_vector<T>(field));
77 } // namespace souschef
79 #endif // __SOUSCHEF_DATASET_H__