| 1 | // Copyright 2017 The Abseil Authors. |
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| 2 | // |
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| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
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| 4 | // you may not use this file except in compliance with the License. |
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| 5 | // You may obtain a copy of the License at |
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| 6 | // |
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| 7 | // https://www.apache.org/licenses/LICENSE-2.0 |
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| 8 | // |
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| 9 | // Unless required by applicable law or agreed to in writing, software |
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| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
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| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 12 | // See the License for the specific language governing permissions and |
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| 13 | // limitations under the License. |
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| 14 | // |
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| 15 | |
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| 16 | #ifndef ABSL_BASE_INTERNAL_IDENTITY_H_ |
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| 17 | #define ABSL_BASE_INTERNAL_IDENTITY_H_ |
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| 18 | |
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| 19 | #include "absl/base/config.h" |
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| 20 | |
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| 21 | namespace absl { |
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| 22 | ABSL_NAMESPACE_BEGIN |
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| 23 | namespace internal { |
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| 24 | |
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| 25 | template <typename T> |
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| 26 | struct identity { |
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| 27 | typedef T type; |
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| 28 | }; |
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| 29 | |
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| 30 | template <typename T> |
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| 31 | using identity_t = typename identity<T>::type; |
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| 32 | |
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| 33 | } // namespace internal |
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| 34 | ABSL_NAMESPACE_END |
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| 35 | } // namespace absl |
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| 36 | |
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| 37 | #endif // ABSL_BASE_INTERNAL_IDENTITY_H_ |
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| 38 | |
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