73     if (new_wrapper.Valid()) {  in AddIterator()
84   bool Valid() const override { return current_ != nullptr && status_.ok(); }  in Valid()  function in ROCKSDB_NAMESPACE::MergingIterator
160     assert(Valid());  in Next()
178     if (current_->Valid()) {  in Next()
194     bool is_valid = Valid();  in NextAndGetResult()
203     assert(Valid());  in Prev()
219     if (current_->Valid()) {  in Prev()
234     assert(Valid());  in key()
239     assert(Valid());  in value()
248     assert(Valid());  in MayBeOutOfLowerBound()
253     assert(Valid());  in MayBeOutOfUpperBound()
265     assert(Valid());  in IsKeyPinned()
271     assert(Valid());  in IsValuePinned()
334   if (child->Valid()) {  in AddToMinHeapOrCheckStatus()
343   if (child->Valid()) {  in AddToMaxHeapOrCheckStatus()
359       if (child.Valid() && comparator_->Equal(target, child.key())) {  in SwitchToForward()
377       if (child.Valid() && comparator_->Equal(target, child.key())) {  in SwitchToBackward()