FM / iterator

/usr/include/boost/iterator

Name	Size	Mode	Actions
detail/	-	0755	rm
advance.hpp	2056	0644	edit dl rm
counting_iterator.hpp	6280	0644	edit dl rm
distance.hpp	1868	0644	edit dl rm
filter_iterator.hpp	3904	0644	edit dl rm
function_input_iterator.hpp	5608	0644	edit dl rm
function_output_iterator.hpp	1738	0644	edit dl rm
indirect_iterator.hpp	3858	0644	edit dl rm
interoperable.hpp	1557	0644	edit dl rm
is_lvalue_iterator.hpp	4215	0644	edit dl rm
is_readable_iterator.hpp	2927	0644	edit dl rm
iterator_adaptor.hpp	11142	0644	edit dl rm
iterator_archetypes.hpp	15521	0644	edit dl rm
iterator_categories.hpp	6214	0644	edit dl rm
iterator_concepts.hpp	7401	0644	edit dl rm
iterator_facade.hpp	34735	0644	edit dl rm
iterator_traits.hpp	1451	0644	edit dl rm
minimum_category.hpp	2256	0644	edit dl rm
new_iterator_tests.hpp	7330	0644	edit dl rm
permutation_iterator.hpp	2363	0644	edit dl rm
reverse_iterator.hpp	2055	0644	edit dl rm
transform_iterator.hpp	5921	0644	edit dl rm
zip_iterator.hpp	10404	0644	edit dl rm

Edit: /usr/include/boost/iterator/permutation_iterator.hpp (2363B)

#ifndef BOOST_PERMUTATION_ITERATOR_HPP
#define BOOST_PERMUTATION_ITERATOR_HPP

#include <iterator>

#include <boost/iterator/iterator_adaptor.hpp>

namespace boost {
namespace iterators {

template< class ElementIterator
        , class IndexIterator>
class permutation_iterator
  : public iterator_adaptor<
             permutation_iterator<ElementIterator, IndexIterator>
           , IndexIterator, typename std::iterator_traits<ElementIterator>::value_type
           , use_default, typename std::iterator_traits<ElementIterator>::reference>
{
  typedef iterator_adaptor<
            permutation_iterator<ElementIterator, IndexIterator>
          , IndexIterator, typename std::iterator_traits<ElementIterator>::value_type
          , use_default, typename std::iterator_traits<ElementIterator>::reference> super_t;

friend class iterator_core_access;

public:
  permutation_iterator() : m_elt_iter() {}

explicit permutation_iterator(ElementIterator x, IndexIterator y)
      : super_t(y), m_elt_iter(x) {}

template<class OtherElementIterator, class OtherIndexIterator>
  permutation_iterator(
      permutation_iterator<OtherElementIterator, OtherIndexIterator> const& r
      , typename enable_if_convertible<OtherElementIterator, ElementIterator>::type* = 0
      , typename enable_if_convertible<OtherIndexIterator, IndexIterator>::type* = 0
      )
    : super_t(r.base()), m_elt_iter(r.m_elt_iter)
  {}

private:
    typename super_t::reference dereference() const
        { return *(m_elt_iter + *this->base()); }

#ifndef BOOST_NO_MEMBER_TEMPLATE_FRIENDS
    template <class,class> friend class permutation_iterator;
#else
 public:
#endif
    ElementIterator m_elt_iter;
};

template <class ElementIterator, class IndexIterator>
inline permutation_iterator<ElementIterator, IndexIterator>
make_permutation_iterator( ElementIterator e, IndexIterator i )
{
    return permutation_iterator<ElementIterator, IndexIterator>( e, i );
}

} // namespace iterators

using iterators::permutation_iterator;
using iterators::make_permutation_iterator;

} // namespace boost

#endif

// (C) Copyright Toon Knapen 2001. // (C) Copyright David Abrahams 2003. // (C) Copyright Roland Richter 2003. // Distributed under the Boost Software License, Version 1.0. (See // accompanying file LICENSE_1_0.txt or copy at // http://www.boost.org/LICENSE_1_0.txt) #ifndef BOOST_PERMUTATION_ITERATOR_HPP #define BOOST_PERMUTATION_ITERATOR_HPP #include #include namespace boost { namespace iterators { template< class ElementIterator , class IndexIterator> class permutation_iterator : public iterator_adaptor< permutation_iterator , IndexIterator, typename std::iterator_traits::value_type , use_default, typename std::iterator_traits::reference> { typedef iterator_adaptor< permutation_iterator , IndexIterator, typename std::iterator_traits::value_type , use_default, typename std::iterator_traits::reference> super_t; friend class iterator_core_access; public: permutation_iterator() : m_elt_iter() {} explicit permutation_iterator(ElementIterator x, IndexIterator y) : super_t(y), m_elt_iter(x) {} template permutation_iterator( permutation_iterator const& r , typename enable_if_convertible::type* = 0 , typename enable_if_convertible::type* = 0 ) : super_t(r.base()), m_elt_iter(r.m_elt_iter) {} private: typename super_t::reference dereference() const { return *(m_elt_iter + *this->base()); } #ifndef BOOST_NO_MEMBER_TEMPLATE_FRIENDS template friend class permutation_iterator; #else public: #endif ElementIterator m_elt_iter; }; template inline permutation_iterator make_permutation_iterator( ElementIterator e, IndexIterator i ) { return permutation_iterator( e, i ); } } // namespace iterators using iterators::permutation_iterator; using iterators::make_permutation_iterator; } // namespace boost #endif