#define ITERATOR_WRAPPER(T, member)                                     \
    private:                                                            \
    T member;                                                           \
    public:                                                             \
    typedef T::iterator iterator;                                       \
    typedef T::const_iterator const_iterator;                           \
    typedef T::reverse_iterator reverse_iterator;                       \
    typedef T::const_reverse_iterator const_reverse_iterator;           \
    iterator begin(void) { return this->member.begin(); }               \
    iterator end(void) { return this->member.end(); }                   \
    const_iterator begin(void) const { return this->member.begin(); }   \
    const_iterator end(void) const { return this->member.end(); }       \
    reverse_iterator rbegin(void) { return this->member.rbegin(); }     \
    reverse_iterator rend(void) { return this->member.rend(); }         \
    const_reverse_iterator rbegin(void) const                           \
    { return this->member.rbegin(); }                                   \
    const_reverse_iterator rend(void) const { return this->member.rend(); }