| // Copyright 2017 The Abseil Authors. |
| // |
| // 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 |
| // |
| // https://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 ABSL_BASE_INTERNAL_IDENTITY_H_ |
| #define ABSL_BASE_INTERNAL_IDENTITY_H_ |
| |
| #include "absl/base/config.h" |
| |
| namespace absl { |
| ABSL_NAMESPACE_BEGIN |
| namespace internal { |
| |
| template <typename T> |
| struct identity { |
| typedef T type; |
| }; |
| |
| template <typename T> |
| using identity_t = typename identity<T>::type; |
| |
| } // namespace internal |
| ABSL_NAMESPACE_END |
| } // namespace absl |
| |
| #endif // ABSL_BASE_INTERNAL_IDENTITY_H_ |
