37 lines
1.1 KiB
Plaintext
37 lines
1.1 KiB
Plaintext
/*=============================================================================
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Copyright (c) 2001-2011 Joel de Guzman
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Copyright (c) 2005-2006 Dan Marsden
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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_FILTER_02122005_1839)
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#define FUSION_FILTER_02122005_1839
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#include <boost/fusion/support/config.hpp>
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#include <boost/fusion/view/filter_view/filter_view.hpp>
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#include <boost/type_traits/is_same.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, typename T>
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struct filter
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{
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typedef filter_view<Sequence, is_same<mpl::_, T> > type;
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};
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}
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template <typename T, typename Sequence>
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BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
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inline typename result_of::filter<Sequence const, T>::type
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filter(Sequence const& seq)
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{
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return filter_view<const Sequence, is_same<mpl::_, T> >(seq);
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}
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}}
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#endif
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