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XCSDD/docs/api/containers/hashmap/clear.md
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HashMap::Clear

void Clear();

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。

参数:

返回:

复杂度: O(m_bucketCount),需要清空所有桶

示例:

XCEngine::Containers::HashMap<int, const char*> map;
map.Insert(1, "one");
map.Insert(2, "two");
map.Insert(3, "three");

std::cout << "Size before clear: " << map.Size() << std::endl; // 输出 3

map.Clear();

std::cout << "Size after clear: " << map.Size() << std::endl; // 输出 0
std::cout << "Empty: " << (map.Empty() ? "yes" : "no") << std::endl; // 输出 "yes"

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