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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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