Return the address of the node holding the element at which this iterator is positioned, or 0 if this iterator is positioned after the end of a bucket. Note that this method is an implementation detail and is not part of the C++ standard.
Declared in <bslstl_hashtablebucketiterator.h>
<bslstl_hashtablebucketiterator.h>
bslalg::BidirectionalLink* node() const;