- 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
718 B
718 B
HashMap::Contains
bool Contains(const Key& key) const;
检查哈希表中是否包含指定的键。
参数:
key- 要检查的键
返回: 如果键存在返回 true,否则返回 false。
复杂度: O(1) 平均,最坏 O(n)
示例:
XCEngine::Containers::HashMap<int, const char*> map;
map.Insert(1, "one");
map.Insert(2, "two");
if (map.Contains(1)) {
std::cout << "Key 1 exists" << std::endl; // 输出 "Key 1 exists"
}
if (!map.Contains(99)) {
std::cout << "Key 99 does not exist" << std::endl; // 输出 "Key 99 does not exist"
}
相关文档
- HashMap 总览 - 返回类总览
- Find - 查找键对应的值