2 #ifndef BOOST_MPL_LIST_AUX_ITERATOR_HPP_INCLUDED
3 #define BOOST_MPL_LIST_AUX_ITERATOR_HPP_INCLUDED
5 // Copyright Aleksey Gurtovoy 2000-2004
7 // Distributed under the Boost Software License, Version 1.0.
8 // (See accompanying file LICENSE_1_0.txt or copy at
9 // http://www.boost.org/LICENSE_1_0.txt)
11 // See http://www.boost.org/libs/mpl for documentation.
17 #include <boost/mpl/iterator_tags.hpp>
18 #include <boost/mpl/next_prior.hpp>
19 #include <boost/mpl/deref.hpp>
20 #include <boost/mpl/list/aux_/item.hpp>
21 #include <boost/mpl/aux_/na.hpp>
22 #include <boost/mpl/aux_/lambda_spec.hpp>
23 #include <boost/mpl/aux_/config/ctps.hpp>
25 namespace boost { namespace mpl {
27 #if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
29 template< typename Node >
32 typedef aux::l_iter_tag tag;
33 typedef forward_iterator_tag category;
36 template< typename Node >
37 struct deref< l_iter<Node> >
39 typedef typename Node::item type;
42 template< typename Node >
43 struct next< l_iter<Node> >
45 typedef l_iter< typename Node::next > type;
48 #else // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
50 template< typename Node >
53 typedef aux::l_iter_tag tag;
54 typedef forward_iterator_tag category;
55 typedef typename Node::item type;
56 typedef l_iter< typename mpl::next<Node>::type > next;
62 template<> struct l_iter<l_end>
64 typedef aux::l_iter_tag tag;
65 typedef forward_iterator_tag category;
66 #if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
72 BOOST_MPL_AUX_PASS_THROUGH_LAMBDA_SPEC(1, l_iter)
76 #endif // BOOST_MPL_LIST_AUX_ITERATOR_HPP_INCLUDED