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XCSDD/docs/api/containers/array/clear.md
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Array::Clear()

void Clear();

清空数组中的所有元素。

行为:

  • 调用所有元素的析构函数
  • Size() 设为 0
  • 不释放底层内存Capacity() 保持不变

线程安全: 清空期间不可并发访问

示例:

Containers::Array<int> arr = {1, 2, 3, 4, 5};

arr.Size();      // 5
arr.Capacity();  // 8假设自动扩容到 8

arr.Clear();

arr.Size();      // 0
arr.Capacity();  // 8内存未被释放

// 可继续添加元素,不会重新分配内存
arr.PushBack(10);
arr.PushBack(20);

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