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73 lines
2.4 KiB
73 lines
2.4 KiB
3 years ago
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/*=============================================================================
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Copyright (c) 2001-2011 Joel de Guzman
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Copyright (c) 2011 Eric Niebler
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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_FIND_05052005_1107)
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#define FUSION_FIND_05052005_1107
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#include <boost/fusion/support/config.hpp>
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#include <boost/fusion/algorithm/query/find_if_fwd.hpp>
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#include <boost/fusion/algorithm/query/detail/find_if.hpp>
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#include <boost/fusion/algorithm/query/detail/segmented_find.hpp>
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#include <boost/fusion/iterator/key_of.hpp>
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#include <boost/fusion/iterator/value_of.hpp>
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#include <boost/fusion/support/category_of.hpp>
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#include <boost/fusion/support/is_segmented.hpp>
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#include <boost/mpl/if.hpp>
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#include <boost/mpl/placeholders.hpp>
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#include <boost/type_traits/is_same.hpp>
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#include <boost/type_traits/is_const.hpp>
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#include <boost/utility/enable_if.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 find
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: mpl::if_<
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traits::is_segmented<Sequence>
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, detail::result_of_segmented_find<Sequence, T>
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, detail::result_of_find_if<
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Sequence,
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is_same<
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typename mpl::if_<
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traits::is_associative<Sequence>
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, key_of<mpl::_1>
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, value_of<mpl::_1>
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>::type
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, T
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>
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>
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>::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
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lazy_disable_if<
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is_const<Sequence>
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, result_of::find<Sequence, T>
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>::type const
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find(Sequence& seq)
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{
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typedef typename result_of::find<Sequence, T>::filter filter;
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return filter::call(seq);
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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::find<Sequence const, T>::type const
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find(Sequence const& seq)
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{
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typedef typename result_of::find<Sequence const, T>::filter filter;
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return filter::call(seq);
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}
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}}
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#endif
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