Call the (template parameter) VALUE_TYPE destructor on objects in the range [d.end() .. d.end() + count())] if isTail was specified as true during construction, or [d.start() - count() .. d.start()] if isTail was specified as false during construction, where d is the deque used to construct this guard.
Declared in <bslstl_deque.h>
~Deque_Guard();