The 'std::reverse_iterator' adaptor iterates elements in the reverse direction. A reverse iterator is based on a biderctional iterator (LegacyBidirectionalIterator). After incrementing, it points to the previous container element.

Each container, which allows a reverse iteration through the elements, already has non-static member functions that return reverse iterators to the beginning and to the end — 'rbegin()' and 'rend()'. A program, which implements a reverse iteration through the elements, may look like this:
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