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- 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
772 B
772 B
HashMap::Size / Empty
size_t Size() const;
bool Empty() const;
获取哈希表的元素数量或判断是否为空。
参数： 无
返回：
Size()- 返回元素数量Empty()- 容器为空返回true，否则返回false
复杂度： O(1)
示例：
XCEngine::Containers::HashMap<int, const char*> map;
std::cout << "Empty: " << (map.Empty() ? "yes" : "no") << std::endl; // 输出 "yes"
std::cout << "Size: " << map.Size() << std::endl; // 输出 0
map.Insert(1, "one");
map.Insert(2, "two");
std::cout << "Empty: " << (map.Empty() ? "yes" : "no") << std::endl; // 输出 "no"
std::cout << "Size: " << map.Size() << std::endl; // 输出 2
相关文档
- HashMap 总览 - 返回类总览