Class iterator

src/include/compact_set.h:84–95

	: iterator_base<typename Set::const_iterator>(s, i) { }
  };
  class iterator : public iterator_base<typename Set::iterator> {
    public:
      iterator() { }
      iterator(const iterator_base<typename Set::iterator>& o)
	: iterator_base<typename Set::iterator>(o) { }
      iterator(compact_set_base* s) : iterator_base<typename Set::iterator>(s) { }
      iterator(compact_set_base* s, const typename Set::iterator& i)
	: iterator_base<typename Set::iterator>(s, i) { }
      operator const_iterator() const {
	return const_iterator(this->set, this->it);
      }
  };
  class const_reverse_iterator : public iterator_base<typename Set::const_reverse_iterator> {
    public:
      const_reverse_iterator() { }