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46 lines
1.4 KiB
46 lines
1.4 KiB
3 years ago
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/*=============================================================================
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Copyright (c) 2001-2011 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_POP_FRONT_09172005_1115)
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#define FUSION_POP_FRONT_09172005_1115
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#include <boost/fusion/support/config.hpp>
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#include <boost/fusion/view/iterator_range/iterator_range.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/iterator/next.hpp>
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namespace boost { namespace fusion
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{
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namespace result_of
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{
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template <typename Sequence>
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struct pop_front
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{
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typedef
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iterator_range<
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typename next<
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typename begin<Sequence>::type
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>::type
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, typename end<Sequence>::type
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>
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type;
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};
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}
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template <typename Sequence>
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BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
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inline typename result_of::pop_front<Sequence const>::type
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pop_front(Sequence const& seq)
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{
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typedef typename result_of::pop_front<Sequence const>::type result;
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return result(fusion::next(fusion::begin(seq)), fusion::end(seq));
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}
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}}
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#endif
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