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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef BASE_MOVE_H_ |
| 6 #define BASE_MOVE_H_ |
| 7 |
| 8 // TODO(dcheng): Remove this header. |
| 9 #include <utility> |
| 10 |
| 11 #include "base/compiler_specific.h" |
| 12 #include "base/macros.h" |
| 13 #include "build/build_config.h" |
| 14 |
| 15 // TODO(crbug.com/566182): DEPRECATED! |
| 16 // Use DISALLOW_COPY_AND_ASSIGN instead, or if your type will be used in |
| 17 // Callbacks, use DISALLOW_COPY_AND_ASSIGN_WITH_MOVE_FOR_BIND instead. |
| 18 #define MOVE_ONLY_TYPE_FOR_CPP_03(type) \ |
| 19 DISALLOW_COPY_AND_ASSIGN_WITH_MOVE_FOR_BIND(type) |
| 20 |
| 21 // A macro to disallow the copy constructor and copy assignment functions. |
| 22 // This should be used in the private: declarations for a class. |
| 23 // |
| 24 // Use this macro instead of DISALLOW_COPY_AND_ASSIGN if you want to pass |
| 25 // ownership of the type through a base::Callback without heap-allocating it |
| 26 // into a scoped_ptr. The class must define a move constructor and move |
| 27 // assignment operator to make this work. |
| 28 // |
| 29 // This version of the macro adds a cryptic MoveOnlyTypeForCPP03 typedef for the |
| 30 // base::Callback implementation to use. See IsMoveOnlyType template and its |
| 31 // usage in base/callback_internal.h for more details. |
| 32 // TODO(crbug.com/566182): Remove this macro and use DISALLOW_COPY_AND_ASSIGN |
| 33 // everywhere instead. |
| 34 #define DISALLOW_COPY_AND_ASSIGN_WITH_MOVE_FOR_BIND(type) \ |
| 35 private: \ |
| 36 type(const type&) = delete; \ |
| 37 void operator=(const type&) = delete; \ |
| 38 \ |
| 39 public: \ |
| 40 typedef void MoveOnlyTypeForCPP03; \ |
| 41 \ |
| 42 private: |
| 43 |
| 44 #endif // BASE_MOVE_H_ |
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