Class const_iterator

src/include/compact_set.h:75–83

  };
public:
  class const_iterator : public iterator_base<typename Set::const_iterator> {
    public:
      const_iterator() { }
      const_iterator(const iterator_base<typename Set::const_iterator>& o)
	: iterator_base<typename Set::const_iterator>(o) { }
      const_iterator(const compact_set_base* s) : iterator_base<typename Set::const_iterator>(s) { }
      const_iterator(const compact_set_base* s, const typename Set::const_iterator& i)
	: iterator_base<typename Set::const_iterator>(s, i) { }
  };
  class iterator : public iterator_base<typename Set::iterator> {
    public:
      iterator() { }