source: NonGTP/Boost/boost/spirit/fusion/iterator/single_view_iterator.hpp @ 857

Revision 857, 1.6 KB checked in by igarcia, 18 years ago (diff)
Line 
1/*=============================================================================
2    Copyright (c) 2003 Joel de Guzman
3
4    Use, modification and distribution is subject to the Boost Software
5    License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
6    http://www.boost.org/LICENSE_1_0.txt)
7==============================================================================*/
8#if !defined(FUSION_ITERATOR_SINGLE_VIEW_ITERATOR_HPP)
9#define FUSION_ITERATOR_SINGLE_VIEW_ITERATOR_HPP
10
11#include <boost/spirit/fusion/detail/access.hpp>
12#include <boost/spirit/fusion/sequence/detail/as_tuple_element.hpp>
13#include <boost/spirit/fusion/iterator/detail/iterator_base.hpp>
14#include <boost/spirit/fusion/iterator/detail/single_view_iterator/deref_traits.hpp>
15#include <boost/spirit/fusion/iterator/detail/single_view_iterator/next_traits.hpp>
16#include <boost/spirit/fusion/iterator/detail/single_view_iterator/value_traits.hpp>
17
18namespace boost { namespace fusion
19{
20    struct single_view_iterator_tag;
21
22    template <typename SingleView>
23    struct single_view_iterator_end
24        : iterator_base<single_view_iterator_end<SingleView> >
25    {
26        typedef single_view_iterator_tag tag;
27    };
28
29    template <typename SingleView>
30    struct single_view_iterator
31        : iterator_base<single_view_iterator<SingleView> >
32    {
33        typedef single_view_iterator_tag tag;
34        typedef SingleView single_view_type;
35        typedef typename add_reference<SingleView>::type reference_type;
36
37        explicit single_view_iterator(reference_type view)
38            : view(view) {}
39
40        reference_type view;
41    };
42}}
43
44#endif
45
46
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