boost::gil::MemoryBasedIteratorConcept

template<typename Iterator>
struct MemoryBasedIteratorConcept;

concept MemoryBasedIteratorConcept<RandomAccessIterator Iterator>
{
    typename byte_to_memunit<Iterator>; where metafunction<byte_to_memunit<Iterator> >;
    std::ptrdiff_t      memunit_step(const Iterator&);
    std::ptrdiff_t      memunit_distance(const Iterator& , const Iterator&);
    void                memunit_advance(Iterator&, std::ptrdiff_t diff);
    Iterator            memunit_advanced(const Iterator& p, std::ptrdiff_t diff) { Iterator tmp; memunit_advance(tmp,diff); return tmp; }
    Iterator::reference memunit_advanced_ref(const Iterator& p, std::ptrdiff_t diff) { return *memunit_advanced(p,diff); }
};