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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef Nullable_h | 5 #ifndef Nullable_h |
| 6 #define Nullable_h | 6 #define Nullable_h |
| 7 | 7 |
| 8 #include "platform/heap/Handle.h" | 8 #include "sky/engine/platform/heap/Handle.h" |
| 9 #include "wtf/Assertions.h" | 9 #include "sky/engine/wtf/Assertions.h" |
| 10 | 10 |
| 11 namespace blink { | 11 namespace blink { |
| 12 | 12 |
| 13 template <typename T> | 13 template <typename T> |
| 14 class Nullable { | 14 class Nullable { |
| 15 DISALLOW_ALLOCATION(); | 15 DISALLOW_ALLOCATION(); |
| 16 public: | 16 public: |
| 17 Nullable() | 17 Nullable() |
| 18 : m_value() | 18 : m_value() |
| 19 , m_isNull(true) { } | 19 , m_isNull(true) { } |
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| 52 } | 52 } |
| 53 | 53 |
| 54 private: | 54 private: |
| 55 T m_value; | 55 T m_value; |
| 56 bool m_isNull; | 56 bool m_isNull; |
| 57 }; | 57 }; |
| 58 | 58 |
| 59 } // namespace blink | 59 } // namespace blink |
| 60 | 60 |
| 61 #endif // Nullable_h | 61 #endif // Nullable_h |
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