34   virtual bool Valid() const {  in Valid()  function in leveldb::__anon627440db0111::TwoLevelIterator
35     return data_iter_.Valid();  in Valid()
38     assert(Valid());  in key()
42     assert(Valid());  in value()
113   assert(Valid());  in Next()
119   assert(Valid());  in Prev()
126   while (data_iter_.iter() == NULL || !data_iter_.Valid()) {  in SkipEmptyDataBlocksForward()
128     if (!index_iter_.Valid()) {  in SkipEmptyDataBlocksForward()
139   while (data_iter_.iter() == NULL || !data_iter_.Valid()) {  in SkipEmptyDataBlocksBackward()
141     if (!index_iter_.Valid()) {  in SkipEmptyDataBlocksBackward()
157   if (!index_iter_.Valid()) {  in InitDataBlock()