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1 /* | 1 /* |
2 * Copyright (C) 2010 Google Inc. All rights reserved. | 2 * Copyright (C) 2010 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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217 } | 217 } |
218 | 218 |
219 void reset() { storage().release(); } | 219 void reset() { storage().release(); } |
220 | 220 |
221 WebPrivatePtr<T>& operator=(const WebPrivatePtr<T>& other) | 221 WebPrivatePtr<T>& operator=(const WebPrivatePtr<T>& other) |
222 { | 222 { |
223 storage().assign(other.storage()); | 223 storage().assign(other.storage()); |
224 return *this; | 224 return *this; |
225 } | 225 } |
226 | 226 |
| 227 WebPrivatePtr<T>& operator=(std::nullptr_t&) |
| 228 { |
| 229 reset(); |
| 230 return *this; |
| 231 } |
| 232 |
227 template<typename U> | 233 template<typename U> |
228 WebPrivatePtr<T>& operator=(const U& ptr) | 234 WebPrivatePtr<T>& operator=(const U& ptr) |
229 { | 235 { |
230 storage().assign(ptr); | 236 storage().assign(ptr); |
231 return *this; | 237 return *this; |
232 } | 238 } |
233 | 239 |
234 T* get() const { return storage().get(); } | 240 T* get() const { return storage().get(); } |
235 | 241 |
236 T* operator->() const | 242 T* operator->() const |
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256 // Disable the copy constructor; classes that contain a WebPrivatePtr | 262 // Disable the copy constructor; classes that contain a WebPrivatePtr |
257 // should implement their copy constructor using assign(). | 263 // should implement their copy constructor using assign(). |
258 WebPrivatePtr(const WebPrivatePtr<T>&); | 264 WebPrivatePtr(const WebPrivatePtr<T>&); |
259 | 265 |
260 void* m_storage; | 266 void* m_storage; |
261 }; | 267 }; |
262 | 268 |
263 } // namespace blink | 269 } // namespace blink |
264 | 270 |
265 #endif | 271 #endif |
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