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- /*=============================================================================
- Copyright (c) 2001-2011 Joel de Guzman
- Copyright (c) 2005-2006 Dan Marsden
- Distributed under the Boost Software License, Version 1.0. (See accompanying
- file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
- ==============================================================================*/
- #if !defined(FUSION_FILTER_02122005_1839)
- #define FUSION_FILTER_02122005_1839
- #include <boost/fusion/support/config.hpp>
- #include <boost/fusion/view/filter_view/filter_view.hpp>
- #include <boost/type_traits/is_same.hpp>
- namespace boost { namespace fusion
- {
- namespace result_of
- {
- template <typename Sequence, typename T>
- struct filter
- {
- typedef filter_view<Sequence, is_same<mpl::_, T> > type;
- };
- }
- template <typename T, typename Sequence>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- inline typename result_of::filter<Sequence const, T>::type
- filter(Sequence const& seq)
- {
- return filter_view<const Sequence, is_same<mpl::_, T> >(seq);
- }
- }}
- #endif
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