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64 lines
2.1 KiB
64 lines
2.1 KiB
/*============================================================================= |
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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_IF_05052005_1108) |
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#define FUSION_FIND_IF_05052005_1108 |
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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_if.hpp> |
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#include <boost/fusion/iterator/value_of.hpp> |
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#include <boost/fusion/support/is_segmented.hpp> |
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#include <boost/utility/enable_if.hpp> |
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#include <boost/type_traits/is_const.hpp> |
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#include <boost/mpl/bind.hpp> |
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#include <boost/mpl/lambda.hpp> |
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#include <boost/mpl/placeholders.hpp> |
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#include <boost/mpl/quote.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 Pred> |
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struct find_if |
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: mpl::if_< |
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traits::is_segmented<Sequence> |
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, detail::result_of_segmented_find_if<Sequence, Pred> |
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, detail::result_of_find_if< |
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Sequence, |
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mpl::bind1< |
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typename mpl::lambda<Pred>::type |
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, mpl::bind1<mpl::quote1<value_of>, mpl::_1> |
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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 Pred, typename Sequence> |
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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_if<Sequence, Pred> |
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>::type |
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find_if(Sequence& seq) |
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{ |
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typedef typename result_of::find_if<Sequence, Pred>::filter filter; |
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return filter::call(seq); |
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} |
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template <typename Pred, typename Sequence> |
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inline typename result_of::find_if<Sequence const, Pred>::type const |
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find_if(Sequence const& seq) |
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{ |
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typedef typename result_of::find_if<Sequence const, Pred>::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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