/*=============================================================================

    Copyright (c) 2001-2006 Joel de Guzman



    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_FIND_IF_05052005_1108)

#define FUSION_FIND_IF_05052005_1108



#include <boost/fusion/algorithm/query/detail/find_if.hpp>

#include <boost/fusion/sequence/intrinsic/begin.hpp>

#include <boost/fusion/sequence/intrinsic/end.hpp>

#include <boost/utility/enable_if.hpp>

#include <boost/type_traits/is_const.hpp>



namespace boost { namespace fusion

{

    namespace result_of

    {

        template <typename Sequence, typename Pred>

        struct find_if

        {

            typedef typename

                detail::static_find_if<

                    typename result_of::begin<Sequence>::type

                  , typename result_of::end<Sequence>::type

                  , Pred

                >::type

            type;

        };

    }



    template <typename Pred, typename Sequence>

    inline typename 

        lazy_disable_if<

            is_const<Sequence>

          , result_of::find_if<Sequence, Pred>

        >::type

    find_if(Sequence& seq)

    {

        typedef

            detail::static_find_if<

                typename result_of::begin<Sequence>::type

              , typename result_of::end<Sequence>::type

              , Pred

            >

        filter;



        return filter::call(fusion::begin(seq));

    }



    template <typename Pred, typename Sequence>

    inline typename result_of::find_if<Sequence const, Pred>::type const

    find_if(Sequence const& seq)

    {

        typedef

            detail::static_find_if<

                typename result_of::begin<Sequence const>::type

              , typename result_of::end<Sequence const>::type

              , Pred

            >

        filter;



        return filter::call(fusion::begin(seq));

    }

}}



#endif



