Method HashGetFirst

adapter/micro_thread/hash_list.h:194–206

* @brief traverse hash list, low performance, only for remove. */

     *  @brief traverse hash list, low performance, only for remove.
     */
    HashKey* HashGetFirst() {
        if (!_buckets) {
            return NULL;
        }
        
        for (int i = 0; i < _max; i++) {
            if (_buckets[i]) {
                return _buckets[i];
            }
        }
        
        return NULL;
    }    

private: