43         valid_(false),  in ForwardLevelIterator()
88     valid_ = false;  in Reset()
96     valid_ = false;  in SeekToLast()
100     valid_ = false;  in Prev()
103     return valid_;  in Valid()
108       assert(!valid_);  in SeekToFirst()
112     valid_ = file_iter_->Valid();  in SeekToFirst()
123       assert(!valid_);  in Seek()
128     valid_ = file_iter_->Valid();  in Seek()
132     valid_ = false;  in SeekForPrev()
135     assert(valid_);  in Next()
138       valid_ = file_iter_->Valid();  in Next()
140         assert(!valid_);  in Next()
143       if (valid_) {  in Next()
147         valid_ = false;  in Next()
152         assert(!valid_);  in Next()
159     assert(valid_);  in key()
163     assert(valid_);  in value()
194   bool valid_;  member in ROCKSDB_NAMESPACE::ForwardLevelIterator
214       valid_(false),  in ForwardIterator()
318   return valid_ ? !current_over_upper_bound_ : false;  in Valid()
485   assert(valid_);  in Next()
499     if (!valid_ || key().compare(old_key) != 0) {  in Next()
544   assert(valid_);  in key()
549   assert(valid_);  in value()
668     valid_ = false;  in RebuildIterators()
758     valid_ = false;  in RenewIterators()
834   valid_ = current_ != nullptr && immutable_status_.ok();  in UpdateCurrent()
844   current_over_upper_bound_ = valid_ && IsOverUpperBound(current_->key());  in UpdateCurrent()
855   if (!valid_ || !current_ || !is_prev_set_ || !immutable_status_.ok()) {  in NeedToSeekImmutable()