random_access_iter.hpp

struct random_access_iterator {
  using difference_type = std::ptrdiff_t;
  using value_type = ?;
  using pointer = value_type*;
  using reference = value_type&;
  using iterator_category = std::random_access_iterator_tag;

  random_access_iterator();
  random_access_iterator(const random_access_iterator& rhs);
  random_access_iterator(random_access_iterator&& rhs);
  random_access_iterator& operator=(const random_access_iterator& rhs);
  random_access_iterator& operator=(random_access_iterator&& rhs);
  void swap(random_access_iterator& iter);

  bool operator==(const random_access_iterator& rhs);
  bool operator!=(const random_access_iterator& rhs);
  bool operator<(const random_access_iterator& rhs);
  bool operator<=(const random_access_iterator& rhs);
  bool operator>(const random_access_iterator& rhs);
  bool operator>=(const random_access_iterator& rhs);

  reference operator*();
  pointer operator->();
  reference operator[](difference_type n);

  random_access_iterator& operator++();
  random_access_iterator operator++(int);
  random_access_iterator& operator+=(difference_type n);
  random_access_iterator operator+(difference_type n);
  random_access_iterator& operator--();
  random_access_iterator operator--(int);
  random_access_iterator& operator-=(difference_type n);
  random_access_iterator operator-(difference_type n);
};

void swap(random_access_iterator& lhs, random_access_iterator& rhs);