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48 lines
1.2 KiB
48 lines
1.2 KiB
/*============================================================================= |
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Copyright (c) 2009 Hartmut Kaiser |
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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(BOOST_FUSION_NVIEW_BEGIN_IMPL_SEP_23_2009_1036PM) |
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#define BOOST_FUSION_NVIEW_BEGIN_IMPL_SEP_23_2009_1036PM |
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#include <boost/mpl/begin.hpp> |
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#include <boost/fusion/sequence/intrinsic/begin.hpp> |
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namespace boost { namespace fusion |
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{ |
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struct nview_tag; |
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template <typename Sequence, typename Pos> |
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struct nview_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<nview_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::index_type index_type; |
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typedef nview_iterator<Sequence, |
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typename mpl::begin<index_type>::type> type; |
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static type call(Sequence& s) |
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{ |
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return type(s); |
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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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