ssdfasd
58a83f445a
- Fix link resolution with proper relative/absolute path handling - Improve link styling with underline decoration - Hide leaf nodes from tree, only show directories - Fix log file path for packaged app
35 lines
737 B
Markdown
35 lines
737 B
Markdown
# HashMap::Clear
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```cpp
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void Clear();
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```
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清空哈希表中的所有元素，将元素数量置为 0。桶的数量保持不变。
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**参数：** 无
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**返回：** 无
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**复杂度：** O(m_bucketCount)，需要清空所有桶
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**示例：**
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```cpp
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XCEngine::Containers::HashMap<int, const char*> map;
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map.Insert(1, "one");
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map.Insert(2, "two");
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map.Insert(3, "three");
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std::cout << "Size before clear: " << map.Size() << std::endl; // 输出 3
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map.Clear();
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std::cout << "Size after clear: " << map.Size() << std::endl; // 输出 0
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std::cout << "Empty: " << (map.Empty() ? "yes" : "no") << std::endl; // 输出 "yes"
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```
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## 相关文档
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- [HashMap 总览](hashmap.md) - 返回类总览
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- [Erase](erase.md) - 删除单个元素
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