Modify the specified iterator to refer to the next element in the reverse iteration sequence, and return a reverse iterator having the pre-increment value of iterator. The behavior is undefined unless, on entry, iterator does not have the past-the-end value for a reverse iterator over the underlying sequence.
Declared in <bdlt_calendarreverseiteratoradapter.h>
template<class ITERATOR>
bdlt::CalendarReverseIteratorAdapter<ITERATOR>
operator++(
CalendarReverseIteratorAdapter<ITERATOR>& iterator,
int);