1 | // Copyright 2017 The Abseil Authors. |
2 | // |
3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
4 | // you may not use this file except in compliance with the License. |
5 | // You may obtain a copy of the License at |
6 | // |
7 | // https://www.apache.org/licenses/LICENSE-2.0 |
8 | // |
9 | // Unless required by applicable law or agreed to in writing, software |
10 | // distributed under the License is distributed on an "AS IS" BASIS, |
11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
12 | // See the License for the specific language governing permissions and |
13 | // limitations under the License. |
14 | // |
15 | |
16 | #ifndef ABSL_BASE_INTERNAL_IDENTITY_H_ |
17 | #define ABSL_BASE_INTERNAL_IDENTITY_H_ |
18 | |
19 | namespace absl { |
20 | namespace internal { |
21 | |
22 | template <typename T> |
23 | struct identity { |
24 | typedef T type; |
25 | }; |
26 | |
27 | template <typename T> |
28 | using identity_t = typename identity<T>::type; |
29 | |
30 | } // namespace internal |
31 | } // namespace absl |
32 | |
33 | #endif // ABSL_BASE_INTERNAL_IDENTITY_H_ |
34 | |