rbegin overloads
Declared in <bslstl_deque.h>
Return a reverse iterator providing modifiable access to the last element in this deque, and the past-the-end reverse iterator if this deque is empty.
Deque_Base<VALUE_TYPE>::reverse_iterator
rbegin() noexcept;Same as the related overload above for rbegin.
Deque_Base<VALUE_TYPE>::const_reverse_iterator
rbegin() const noexcept;