_map_citr _map_itr _map_key2entry _size _values begin begin clear const_iterator empty end end EntryType erase erase find find HashMap insert insert iterator operator== operator[] size

HashMap template<class KeyType , class MappedType , class Hash = std::hash<KeyType>, class Pred = std::equal_to<KeyType>> typedef std::unordered_map<KeyType, iterator, Hash, Pred> HashMap private 用于存储键到迭代器映射的哈希表