21   for (iter->SeekToFirst(); iter->Valid(); iter->Next()) {
65   virtual bool Valid() const { return valid_; }  in Valid()  function in leveldb::__anon9603b1580111::DBIter
154     if (!iter_->Valid()) {  in Next()
159     if (!iter_->Valid()) {  in Next()
175   assert(iter_->Valid());  in FindNextUserEntry()
200   } while (iter_->Valid());  in FindNextUserEntry()
211     assert(iter_->Valid());  // Otherwise valid_ would have been false  in Prev()
215       if (!iter_->Valid()) {  in Prev()
236   if (iter_->Valid()) {  in FindPrevUserEntry()
260     } while (iter_->Valid());  in FindPrevUserEntry()
281   if (iter_->Valid()) {  in Seek()
292   if (iter_->Valid()) {  in SeekToFirst()