142     assert(iter_.Valid());  in Next()
148   if (ok && iter_.Valid()) {  in Next()
188   assert(iter_.Valid());  in FindNextUserEntryInternal()
439   } while (iter_.Valid());  in FindNextUserEntryInternal()
469   for (iter_.Next(); iter_.Valid(); iter_.Next()) {  in MergeValuesNewToOld()
594   if (!expect_total_order_inner_iter() || !iter_.Valid()) {  in ReverseToForward()
603   while (iter_.Valid()) {  in ReverseToForward()
630       (!expect_total_order_inner_iter() || !iter_.Valid())) {  in ReverseToBackward()
645       if (!iter_.Valid() && iter_.status().ok()) {  in ReverseToBackward()
656   while (iter_.Valid()) {  in PrevInternal()
718   assert(iter_.Valid());  in FindValueForCurrentKey()
730   while (iter_.Valid()) {  in FindValueForCurrentKey()
890     if (!iter_.Valid()) {  in FindValueForCurrentKeyUsingSeek()
952     if (!iter_.Valid()) {  in FindValueForCurrentKeyUsingSeek()
1017   if (!expect_total_order_inner_iter() || !iter_.Valid()) {  in FindValueForCurrentKeyUsingSeek()
1022       if (!iter_.Valid() && iter_.status().ok()) {  in FindValueForCurrentKeyUsingSeek()
1038   while (iter_.Valid()) {  in FindUserKeyBeforeSavedKey()
1074       if (!iter_.Valid()) {  in FindUserKeyBeforeSavedKey()
1176   if (!iter_.Valid()) {  in Seek()
1242   if (!iter_.Valid()) {  in SeekForPrev()
1300   if (iter_.Valid()) {  in SeekToFirst()
1333     if (Valid() && user_comparator_.Equal(*iterate_upper_bound_, key())) {  in SeekToLast()