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| 1 // Copyright 2015 The Crashpad Authors. All rights reserved. |
| 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 // http://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 #ifndef CRASHPAD_UTIL_STDLIB_MOVE_H_ |
| 16 #define CRASHPAD_UTIL_STDLIB_MOVE_H_ |
| 17 |
| 18 #include "util/stdlib/cxx.h" |
| 19 |
| 20 namespace crashpad { |
| 21 |
| 22 #if CXX_LIBRARY_VERSION >= 2011 |
| 23 //! \brief A typedef for std::remove_reference until C++11 library support is |
| 24 // always available. |
| 25 template <typename T> |
| 26 using remove_reference = std::remove_reference<T>; |
| 27 #else |
| 28 //! \brief A replacement for std::remove_reference until C++11 library support |
| 29 // is always available. |
| 30 template <class T> |
| 31 struct remove_reference { using type = T; }; |
| 32 template <class T> |
| 33 struct remove_reference<T&> { using type = T; }; |
| 34 #endif // CXX_LIBRARY_VERSION |
| 35 |
| 36 #if CXX_LIBRARY_VERSION >= 2011 |
| 37 //! \brief A wrapper around std::move() until C++11 library support is |
| 38 // always available. |
| 39 template <typename T> |
| 40 typename std::remove_reference<T>::type&& move(T&& t) { |
| 41 return std::move(t); |
| 42 } |
| 43 #else |
| 44 //! \brief A replacement for std::move() until C++11 library support is |
| 45 // always available. |
| 46 template <typename T> |
| 47 typename remove_reference<T>::type&& move(T&& t) { |
| 48 return static_cast<typename remove_reference<T>::type&&>(t); |
| 49 } |
| 50 #endif // CXX_LIBRARY_VERSION |
| 51 |
| 52 } // namespace crashpad |
| 53 |
| 54 #endif // CRASHPAD_UTIL_STDLIB_MOVE_H_ |
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