Class iterator

include/vk_mem_alloc.h:5476–5501

    class const_reverse_iterator;

    class iterator
    {
        friend class const_iterator;
        friend class VmaList<T, AllocatorT>;
    public:
        iterator() :  m_pList(VMA_NULL), m_pItem(VMA_NULL) {}
        explicit iterator(const reverse_iterator& src) : m_pList(src.m_pList), m_pItem(src.m_pItem) {}

        T& operator*() const { VMA_HEAVY_ASSERT(m_pItem != VMA_NULL); return m_pItem->Value; }
        T* operator->() const { VMA_HEAVY_ASSERT(m_pItem != VMA_NULL); return &m_pItem->Value; }

        bool operator==(const iterator& rhs) const { VMA_HEAVY_ASSERT(m_pList == rhs.m_pList); return m_pItem == rhs.m_pItem; }
        bool operator!=(const iterator& rhs) const { VMA_HEAVY_ASSERT(m_pList == rhs.m_pList); return m_pItem != rhs.m_pItem; }

        const iterator operator++(int) { iterator result = *this; ++*this; return result; }
        const iterator operator--(int) { iterator result = *this; --*this; return result; }

        iterator& operator++() { VMA_HEAVY_ASSERT(m_pItem != VMA_NULL); m_pItem = m_pItem->pNext; return *this; }
        iterator& operator--();

    private:
        VmaRawList<T>* m_pList;
        VmaListItem<T>* m_pItem;

        iterator(VmaRawList<T>* pList, VmaListItem<T>* pItem) : m_pList(pList),  m_pItem(pItem) {}
    };
    class reverse_iterator
    {
        friend class const_reverse_iterator;