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GL Profile Suite / boost_1_51_0 / boost / fusion / view / iterator_range / detail / size_impl.hpp

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/*=============================================================================
    Copyright (c) 2011 Eric Niebler

    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(BOOST_FUSION_ITERATOR_RANGE_SIZE_IMPL_HPP_INCLUDED)
#define BOOST_FUSION_ITERATOR_RANGE_SIZE_IMPL_HPP_INCLUDED

#include <boost/fusion/iterator/distance.hpp>

namespace boost { namespace fusion
{
    struct iterator_range_tag;

    namespace extension
    {
        template <typename Tag>
        struct size_impl;

        template <>
        struct size_impl<iterator_range_tag>
        {
            template <typename Seq>
            struct apply
              : result_of::distance<
                    typename Seq::begin_type,
                    typename Seq::end_type
                >
            {};
        };
    }
}}

#endif