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1 /* | 1 /* |
2 * Copyright (C) 2010 Apple Inc. All rights reserved. | 2 * Copyright (C) 2010 Apple 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 | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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31 #include "wtf/TypeTraits.h" | 31 #include "wtf/TypeTraits.h" |
32 | 32 |
33 namespace WTF { | 33 namespace WTF { |
34 | 34 |
35 template<typename T> class OwnArrayPtr; | 35 template<typename T> class OwnArrayPtr; |
36 template<typename T> class PassOwnArrayPtr; | 36 template<typename T> class PassOwnArrayPtr; |
37 template<typename T> PassOwnArrayPtr<T> adoptArrayPtr(T*); | 37 template<typename T> PassOwnArrayPtr<T> adoptArrayPtr(T*); |
38 template<typename T> void deleteOwnedArrayPtr(T* ptr); | 38 template<typename T> void deleteOwnedArrayPtr(T* ptr); |
39 | 39 |
40 template<typename T> class PassOwnArrayPtr { | 40 template<typename T> class PassOwnArrayPtr { |
| 41 WTF_DISALLOW_CONSTRUCTION_FROM_ZERO(PassOwnArrayPtr); |
41 public: | 42 public: |
42 typedef T* PtrType; | 43 typedef T* PtrType; |
43 | 44 |
44 PassOwnArrayPtr() : m_ptr(0) { } | 45 PassOwnArrayPtr() : m_ptr(0) { } |
45 PassOwnArrayPtr(std::nullptr_t) : m_ptr(0) { } | 46 PassOwnArrayPtr(std::nullptr_t) : m_ptr(0) { } |
46 | 47 |
47 // It somewhat breaks the type system to allow transfer of ownership out of | 48 // It somewhat breaks the type system to allow transfer of ownership out of |
48 // a const PassOwnArrayPtr. However, it makes it much easier to work with Pa
ssOwnArrayPtr | 49 // a const PassOwnArrayPtr. However, it makes it much easier to work with Pa
ssOwnArrayPtr |
49 // temporaries, and we don't have a need to use real const PassOwnArrayPtrs
anyway. | 50 // temporaries, and we don't have a need to use real const PassOwnArrayPtrs
anyway. |
50 PassOwnArrayPtr(const PassOwnArrayPtr& o) : m_ptr(o.leakPtr()) { } | 51 PassOwnArrayPtr(const PassOwnArrayPtr& o) : m_ptr(o.leakPtr()) { } |
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160 } | 161 } |
161 | 162 |
162 } // namespace WTF | 163 } // namespace WTF |
163 | 164 |
164 using WTF::PassOwnArrayPtr; | 165 using WTF::PassOwnArrayPtr; |
165 using WTF::adoptArrayPtr; | 166 using WTF::adoptArrayPtr; |
166 using WTF::const_pointer_cast; | 167 using WTF::const_pointer_cast; |
167 using WTF::static_pointer_cast; | 168 using WTF::static_pointer_cast; |
168 | 169 |
169 #endif // WTF_PassOwnArrayPtr_h | 170 #endif // WTF_PassOwnArrayPtr_h |
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