Return the address of the non‐modifiable tree node at which this iterator is positioned, or 0 if this iterator is not at a valid position in the tree. Note that this method is an implementation detail and is not part of the C++ standard.
Return the address of the non‐modifiable tree node at which this iterator is positioned, or 0 if this iterator is not at a valid position in the tree. Note that this method is an implementation detail and is not part of the C++ standard.