// In header: </home/travis/build/martinjrobins/Aboria/src/Get.h>

template<typename mpl_vector_type, typename... Types> 
class zip_iterator<std::tuple< Types...>, mpl_vector_type> {
public:
  // types
  typedef iterator_tuple_type tuple_type;          
  typedef unspecified         value_type;          
  typedef unspecified         reference;           
  typedef unspecified         difference_type;     
  typedef unspecified         iterator_category;   
  typedef unspecified         pointer;             
  typedef unspecified         getter_raw_pointer;  
  typedef unspecified         getter_raw_reference;
  typedef unspecified         elem_by_type;        

  // member classes/structs/unions
  template<typename T> 
  struct return_type {
    // types
    typedef unspecified type;

    // public data members
    static const size_t N;
  };

  // construct/copy/destruct
  zip_iterator();
  explicit zip_iterator(iterator_tuple_type);
  template<typename... T> explicit zip_iterator(T...);

  // public member functions
  const iterator_tuple_type & get_tuple() const;
  iterator_tuple_type & get_tuple();

  // private member functions
  void increment();
  void decrement();
  bool equal(zip_iterator const &) const;
  reference dereference() const;
  difference_type distance_to(zip_iterator const &) const;
  void advance(difference_type);
};