forked from boostorg/fusion
creating branch for fusion 2.1
[SVN r40232]
This commit is contained in:
Joel de Guzman
66
include/boost/fusion/view/joint_view/detail/begin_impl.hpp
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66
include/boost/fusion/view/joint_view/detail/begin_impl.hpp
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/*=============================================================================
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Copyright (c) 2001-2006 Joel de Guzman
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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==============================================================================*/
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#if !defined(FUSION_BEGIN_IMPL_07162005_0115)
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#define FUSION_BEGIN_IMPL_07162005_0115
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#include <boost/fusion/iterator/equal_to.hpp>
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#include <boost/mpl/if.hpp>
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namespace boost { namespace fusion
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{
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struct joint_view_tag;
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template <typename First, typename Last, typename Concat>
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struct joint_view_iterator;
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namespace extension
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{
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template <typename Tag>
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struct begin_impl;
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template <>
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struct begin_impl<joint_view_tag>
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{
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template <typename Sequence>
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struct apply
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{
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typedef typename Sequence::first_type first_type;
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typedef typename Sequence::last_type last_type;
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typedef typename Sequence::concat_type concat_type;
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typedef result_of::equal_to<first_type, last_type> equal_to;
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typedef typename
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mpl::if_<
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equal_to
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, concat_type
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, joint_view_iterator<first_type, last_type, concat_type>
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>::type
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type;
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static type
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call(Sequence& s, mpl::true_)
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{
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return s.concat();
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}
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static type
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call(Sequence& s, mpl::false_)
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{
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return type(s.first(), s.concat());
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}
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static type
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call(Sequence& s)
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{
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return call(s, equal_to());
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}
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};
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};
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}
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}}
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#endif
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29
include/boost/fusion/view/joint_view/detail/deref_impl.hpp
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29
include/boost/fusion/view/joint_view/detail/deref_impl.hpp
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/*=============================================================================
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Copyright (c) 2001-2006 Joel de Guzman
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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==============================================================================*/
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#if !defined(FUSION_DEREF_IMPL_07162005_0137)
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#define FUSION_DEREF_IMPL_07162005_0137
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#include <boost/fusion/iterator/detail/adapt_deref_traits.hpp>
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namespace boost { namespace fusion
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{
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struct joint_view_iterator_tag;
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namespace extension
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{
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template <typename Tag>
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struct deref_impl;
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template <>
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struct deref_impl<joint_view_iterator_tag>
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: detail::adapt_deref_traits {};
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}
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}}
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#endif
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40
include/boost/fusion/view/joint_view/detail/end_impl.hpp
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40
include/boost/fusion/view/joint_view/detail/end_impl.hpp
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/*=============================================================================
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Copyright (c) 2001-2006 Joel de Guzman
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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==============================================================================*/
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#if !defined(FUSION_END_IMPL_07162005_0128)
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#define FUSION_END_IMPL_07162005_0128
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#include <boost/fusion/iterator/equal_to.hpp>
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#include <boost/mpl/if.hpp>
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namespace boost { namespace fusion
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{
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struct joint_view_tag;
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namespace extension
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{
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template <typename Tag>
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struct end_impl;
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template <>
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struct end_impl<joint_view_tag>
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{
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template <typename Sequence>
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struct apply
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{
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typedef typename Sequence::concat_last_type type;
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static type
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call(Sequence& s)
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{
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return s.concat_last();
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}
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};
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};
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}
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}}
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#endif
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70
include/boost/fusion/view/joint_view/detail/next_impl.hpp
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70
include/boost/fusion/view/joint_view/detail/next_impl.hpp
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/*=============================================================================
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Copyright (c) 2001-2006 Joel de Guzman
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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==============================================================================*/
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#if !defined(FUSION_NEXT_IMPL_07162005_0136)
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#define FUSION_NEXT_IMPL_07162005_0136
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#include <boost/fusion/iterator/next.hpp>
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#include <boost/fusion/iterator/equal_to.hpp>
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#include <boost/mpl/if.hpp>
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namespace boost { namespace fusion
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{
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struct joint_view_iterator_tag;
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template <typename First, typename Last, typename Concat>
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struct joint_view_iterator;
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namespace extension
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{
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template <typename Tag>
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struct next_impl;
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template <>
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struct next_impl<joint_view_iterator_tag>
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{
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template <typename Iterator>
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struct apply
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{
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typedef typename Iterator::first_type first_type;
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typedef typename Iterator::last_type last_type;
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typedef typename Iterator::concat_type concat_type;
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typedef typename result_of::next<first_type>::type next_type;
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typedef result_of::equal_to<next_type, last_type> equal_to;
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typedef typename
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mpl::if_<
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equal_to
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, concat_type
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, joint_view_iterator<next_type, last_type, concat_type>
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>::type
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type;
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static type
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call(Iterator const& i, mpl::true_)
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{
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return i.concat;
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}
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static type
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call(Iterator const& i, mpl::false_)
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{
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return type(fusion::next(i.first), i.concat);
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}
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static type
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call(Iterator const& i)
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{
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return call(i, equal_to());
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}
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};
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};
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}
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}}
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#endif
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@@ -0,0 +1,29 @@
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/*=============================================================================
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Copyright (c) 2001-2006 Joel de Guzman
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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==============================================================================*/
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#if !defined(FUSION_VALUE_IMPL_07162005_0132)
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#define FUSION_VALUE_IMPL_07162005_0132
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#include <boost/fusion/iterator/detail/adapt_value_traits.hpp>
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namespace boost { namespace fusion
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{
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struct joint_view_iterator_tag;
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namespace extension
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{
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template <typename Tag>
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struct value_of_impl;
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template <>
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struct value_of_impl<joint_view_iterator_tag>
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: detail::adapt_value_traits {};
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}
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}}
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#endif
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61
include/boost/fusion/view/joint_view/joint_view.hpp
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61
include/boost/fusion/view/joint_view/joint_view.hpp
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@@ -0,0 +1,61 @@
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/*=============================================================================
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Copyright (c) 2001-2006 Joel de Guzman
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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==============================================================================*/
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#if !defined(FUSION_JOINT_VIEW_07162005_0140)
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#define FUSION_JOINT_VIEW_07162005_0140
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#include <boost/fusion/support/detail/access.hpp>
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#include <boost/fusion/support/is_view.hpp>
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#include <boost/fusion/sequence/intrinsic/begin.hpp>
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#include <boost/fusion/sequence/intrinsic/end.hpp>
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#include <boost/fusion/sequence/intrinsic/size.hpp>
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#include <boost/fusion/view/joint_view/joint_view_iterator.hpp>
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#include <boost/fusion/view/joint_view/detail/begin_impl.hpp>
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#include <boost/fusion/view/joint_view/detail/end_impl.hpp>
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#include <boost/fusion/support/sequence_base.hpp>
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#include <boost/mpl/if.hpp>
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#include <boost/mpl/plus.hpp>
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#include <boost/mpl/bool.hpp>
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namespace boost { namespace fusion
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{
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struct joint_view_tag;
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struct forward_traversal_tag;
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struct fusion_sequence_tag;
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template <typename Sequence1, typename Sequence2>
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struct joint_view : sequence_base<joint_view<Sequence1, Sequence2> >
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{
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typedef joint_view_tag fusion_tag;
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typedef fusion_sequence_tag tag; // this gets picked up by MPL
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typedef forward_traversal_tag category;
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typedef mpl::true_ is_view;
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typedef typename result_of::begin<Sequence1>::type first_type;
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typedef typename result_of::end<Sequence1>::type last_type;
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typedef typename result_of::begin<Sequence2>::type concat_type;
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typedef typename result_of::end<Sequence2>::type concat_last_type;
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typedef typename mpl::plus<result_of::size<Sequence1>, result_of::size<Sequence2> >::type size;
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joint_view(Sequence1& seq1, Sequence2& seq2)
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: seq1(seq1)
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, seq2(seq2)
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{}
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first_type first() const { return fusion::begin(seq1); }
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concat_type concat() const { return fusion::begin(seq2); }
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concat_last_type concat_last() const { return fusion::end(seq2); }
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private:
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typename mpl::if_<traits::is_view<Sequence1>, Sequence1, Sequence1&>::type seq1;
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typename mpl::if_<traits::is_view<Sequence2>, Sequence2, Sequence2&>::type seq2;
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};
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}}
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#endif
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52
include/boost/fusion/view/joint_view/joint_view_iterator.hpp
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52
include/boost/fusion/view/joint_view/joint_view_iterator.hpp
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@@ -0,0 +1,52 @@
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/*=============================================================================
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Copyright (c) 2001-2006 Joel de Guzman
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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==============================================================================*/
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#if !defined(FUSION_JOINT_VIEW_ITERATOR_07162005_0140)
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#define FUSION_JOINT_VIEW_ITERATOR_07162005_0140
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#include <boost/fusion/support/iterator_base.hpp>
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#include <boost/fusion/iterator/equal_to.hpp>
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#include <boost/fusion/iterator/mpl/convert_iterator.hpp>
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#include <boost/fusion/adapted/mpl/mpl_iterator.hpp>
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#include <boost/fusion/view/joint_view/detail/deref_impl.hpp>
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#include <boost/fusion/view/joint_view/detail/next_impl.hpp>
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#include <boost/fusion/view/joint_view/detail/value_of_impl.hpp>
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#include <boost/static_assert.hpp>
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namespace boost { namespace fusion
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{
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struct joint_view_iterator_tag;
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struct forward_traversal_tag;
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template <typename First, typename Last, typename Concat>
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struct joint_view_iterator
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: iterator_base<joint_view_iterator<First, Last, Concat> >
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{
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typedef convert_iterator<First> first_converter;
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typedef convert_iterator<Last> last_converter;
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typedef convert_iterator<Concat> concat_converter;
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typedef typename first_converter::type first_type;
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typedef typename last_converter::type last_type;
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typedef typename concat_converter::type concat_type;
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typedef joint_view_iterator_tag fusion_tag;
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typedef forward_traversal_tag category;
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BOOST_STATIC_ASSERT((!result_of::equal_to<first_type, last_type>::value));
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joint_view_iterator(First const& first, Concat const& concat)
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: first(first_converter::call(first))
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, concat(concat_converter::call(concat))
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{}
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first_type first;
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concat_type concat;
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};
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}}
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#endif
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