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docs/api/core/smartptr/UniqueRef.md
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docs/api/core/smartptr/UniqueRef.md
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# SmartPtr::UniqueRef
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```cpp
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template<typename T>
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using UniqueRef = std::unique_ptr<T>;
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```
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独占所有权的智能指针类型别名。
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**描述**
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`UniqueRef<T>` 是 `std::unique_ptr<T>` 的类型别名,提供独占所有权的智能指针。每个对象只能有一个 `UniqueRef` 持有,当 `UniqueRef` 被销毁时,对象会被自动删除。不能复制,只能移动。
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**模板参数:**
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- `T` - 被托管对象的类型
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**复杂度:** O(1)
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**示例:**
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```cpp
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#include <XCEngine/Core/SmartPtr.h>
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class MyClass {
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public:
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void DoSomething() { /* ... */ }
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};
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Core::UniqueRef<MyClass> unique = Core::MakeUnique<MyClass>();
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if (unique) {
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unique->DoSomething();
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}
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// 自定义删除器
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Core::UniqueRef<FILE, decltype(&fclose)>
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file(fopen("test.txt", "r"), &fclose);
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// 转移所有权
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Core::UniqueRef<MyClass> moved = std::move(unique);
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```
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## 相关文档
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- [SmartPtr 总览](smartptr.md) - 返回类总览
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- [MakeUnique](MakeUnique.md) - 创建 UniqueRef 的工厂函数
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