blob: fa6e1004e1f1869cf015bf4d4f0d71041937447e [file] [log] [blame]
#ifndef ITERATORS_H
#define ITERATORS_H
#include <iterator>
template <class It>
class output_iterator
{
It it_;
template <class U> friend class output_iterator;
public:
typedef std::output_iterator_tag iterator_category;
typedef typename std::iterator_traits<It>::value_type value_type;
typedef typename std::iterator_traits<It>::difference_type difference_type;
typedef It pointer;
typedef typename std::iterator_traits<It>::reference reference;
It base() const {return it_;}
output_iterator() : it_() {}
explicit output_iterator(It it) : it_(it) {}
template <class U>
output_iterator(const output_iterator<U>& u) :it_(u.it_) {}
reference operator*() const {return *it_;}
output_iterator& operator++() {++it_; return *this;}
output_iterator operator++(int)
{output_iterator tmp(*this); ++(*this); return tmp;}
};
#endif // ITERATORS_H