29       : map_(map), iter_(map_->end()) {}  in KVIter()
30   bool Valid() const override { return iter_ != map_->end(); }  in Valid()
31   void SeekToFirst() override { iter_ = map_->begin(); }  in SeekToFirst()
33     if (map_->empty()) {  in SeekToLast()
34       iter_ = map_->end();  in SeekToLast()
36       iter_ = map_->find(map_->rbegin()->first);  in SeekToLast()
40     iter_ = map_->lower_bound(k.ToString());  in Seek()
43     iter_ = map_->upper_bound(k.ToString());  in SeekForPrev()
48     if (iter_ == map_->begin()) {  in Prev()
49       iter_ = map_->end();  in Prev()
60   const stl_wrappers::KVMap* const map_;  member in ROCKSDB_NAMESPACE::__anoncbbbed610111::KVIter