#ifndef BOOST_MPL_AUX_SIZE_IMPL_HPP_INCLUDED

#define BOOST_MPL_AUX_SIZE_IMPL_HPP_INCLUDED

// Copyright Aleksey Gurtovoy 2000-2004

//

// 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)

//

// See http://www.boost.org/libs/mpl for documentation.

// $Source: /cvsroot/boost/boost/boost/mpl/aux_/size_impl.hpp,v $

// $Date: 2004/09/02 15:40:44 $

// $Revision: 1.5 $

#include <boost/mpl/size_fwd.hpp>

#include <boost/mpl/begin_end.hpp>

#include <boost/mpl/distance.hpp>

#include <boost/mpl/aux_/traits_lambda_spec.hpp>

#include <boost/mpl/aux_/config/workaround.hpp>

namespace boost { namespace mpl {

// default implementation; conrete sequences might override it by 

// specializing either the 'size_impl' or the primary 'size' template

template< typename Tag >

struct size_impl

{

    template< typename Sequence > struct apply

#if !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x561))

        : distance<

              typename begin<Sequence>::type

            , typename end<Sequence>::type

            >

    {

#else

    {

        typedef typename distance<

              typename begin<Sequence>::type

            , typename end<Sequence>::type

            >::type type;

#endif

    };

};

BOOST_MPL_ALGORITM_TRAITS_LAMBDA_SPEC(1, size_impl)

}}

#endif // BOOST_MPL_AUX_SIZE_IMPL_HPP_INCLUDED