#if !defined(BOOST_PP_IS_ITERATING)

///// header body

#ifndef BOOST_MPL_APPLY_HPP_INCLUDED

#define BOOST_MPL_APPLY_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.

// $Id: apply.hpp 49267 2008-10-11 06:19:02Z agurtovoy $

// $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $

// $Revision: 49267 $

#if !defined(BOOST_MPL_PREPROCESSING_MODE)

#   include <boost/mpl/apply_fwd.hpp>

#   include <boost/mpl/apply_wrap.hpp>

#   include <boost/mpl/placeholders.hpp>

#   include <boost/mpl/lambda.hpp>

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

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

#endif

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

#if !defined(BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS) \

    && !defined(BOOST_MPL_PREPROCESSING_MODE)

#   define BOOST_MPL_PREPROCESSED_HEADER apply.hpp

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

#else

#   include <boost/mpl/limits/arity.hpp>

#   include <boost/mpl/aux_/preprocessor/params.hpp>

#   include <boost/mpl/aux_/preprocessor/default_params.hpp>

#   include <boost/mpl/aux_/preprocessor/partial_spec_params.hpp>

#   include <boost/mpl/aux_/preprocessor/enum.hpp>

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

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

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

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

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

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

#   include <boost/preprocessor/comma_if.hpp>

#   include <boost/preprocessor/inc.hpp>

#   include <boost/preprocessor/iterate.hpp>

#   include <boost/preprocessor/cat.hpp>

namespace boost { namespace mpl {

// local macros, #undef-ined at the end of the header

#   define AUX778076_APPLY_PARAMS(param) \

    BOOST_MPL_PP_PARAMS( \

          BOOST_MPL_LIMIT_METAFUNCTION_ARITY \

        , param \

        ) \

    /**/

#   define AUX778076_APPLY_DEF_PARAMS(param, value) \

    BOOST_MPL_PP_DEFAULT_PARAMS( \

          BOOST_MPL_LIMIT_METAFUNCTION_ARITY \

        , param \

        , value \

        ) \

    /**/

#   define AUX778076_APPLY_N_PARAMS(n, param) \

    BOOST_MPL_PP_PARAMS(n, param) \

    /**/

#   define AUX778076_APPLY_N_COMMA_PARAMS(n, param) \

    BOOST_PP_COMMA_IF(n) \

    BOOST_MPL_PP_PARAMS(n, param) \

    /**/

#   define AUX778076_APPLY_N_PARTIAL_SPEC_PARAMS(n, param, def) \

    BOOST_PP_COMMA_IF(n) \

    BOOST_MPL_PP_PARTIAL_SPEC_PARAMS(n, param, def) \

    /**/

#   define AUX778076_APPLY_N_SPEC_PARAMS(n, param) \

    BOOST_MPL_PP_ENUM(BOOST_PP_INC(n), param) \

    /**/

#define BOOST_PP_ITERATION_PARAMS_1 \

    (3,(0, BOOST_MPL_LIMIT_METAFUNCTION_ARITY, <boost/mpl/apply.hpp>))

#include BOOST_PP_ITERATE()

#   if !defined(BOOST_MPL_CFG_NO_APPLY_TEMPLATE)

// real C++ version is already taken care of

#   if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)

namespace aux {

// apply_count_args

#define AUX778076_COUNT_ARGS_PREFIX apply

#define AUX778076_COUNT_ARGS_DEFAULT na

#define AUX778076_COUNT_ARGS_ARITY BOOST_MPL_LIMIT_METAFUNCTION_ARITY

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

}

template<

      typename F, AUX778076_APPLY_DEF_PARAMS(typename T, na)

    >

struct apply

    : aux::apply_chooser< 

          aux::apply_count_args< AUX778076_APPLY_PARAMS(T) >::value

        >::template result_< F, AUX778076_APPLY_PARAMS(T) >::type

{

};

#   endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION

#   endif // BOOST_MPL_CFG_NO_APPLY_TEMPLATE

#   undef AUX778076_APPLY_N_SPEC_PARAMS

#   undef AUX778076_APPLY_N_PARTIAL_SPEC_PARAMS

#   undef AUX778076_APPLY_N_COMMA_PARAMS

#   undef AUX778076_APPLY_N_PARAMS

#   undef AUX778076_APPLY_DEF_PARAMS

#   undef AUX778076_APPLY_PARAMS

}}

#endif // BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS

#endif // BOOST_MPL_APPLY_HPP_INCLUDED

///// iteration, depth == 1

// For gcc 4.4 compatability, we must include the

// BOOST_PP_ITERATION_DEPTH test inside an #else clause.

#else // BOOST_PP_IS_ITERATING

#if BOOST_PP_ITERATION_DEPTH() == 1

#   define i_ BOOST_PP_FRAME_ITERATION(1)

template<

      typename F AUX778076_APPLY_N_COMMA_PARAMS(i_, typename T)

    >

struct BOOST_PP_CAT(apply,i_)

#if !BOOST_WORKAROUND(BOOST_MSVC, < 1300)

    : BOOST_PP_CAT(apply_wrap,i_)< 

          typename lambda<F>::type

        AUX778076_APPLY_N_COMMA_PARAMS(i_, T)

        >

{

#else

{

    typedef typename BOOST_PP_CAT(apply_wrap,i_)< 

          typename lambda<F>::type

        AUX778076_APPLY_N_COMMA_PARAMS(i_, T)

        >::type type;

#endif

    BOOST_MPL_AUX_LAMBDA_SUPPORT(

          BOOST_PP_INC(i_)

        , BOOST_PP_CAT(apply,i_)

        , (F AUX778076_APPLY_N_COMMA_PARAMS(i_,T))

        )

};

#if defined(BOOST_MPL_CFG_MSVC_ETI_BUG)

/// workaround for ETI bug

template<>

struct BOOST_PP_CAT(apply,i_)<AUX778076_APPLY_N_SPEC_PARAMS(i_, int)>

{

    typedef int type;

};

#endif

#   if !defined(BOOST_MPL_CFG_NO_APPLY_TEMPLATE)

#   if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)

#if i_ == BOOST_MPL_LIMIT_METAFUNCTION_ARITY

/// primary template (not a specialization!)

template<

      typename F AUX778076_APPLY_N_COMMA_PARAMS(i_, typename T)

    >

struct apply

    : BOOST_PP_CAT(apply,i_)< F AUX778076_APPLY_N_COMMA_PARAMS(i_, T) >

{

};

#else

template<

      typename F AUX778076_APPLY_N_COMMA_PARAMS(i_, typename T)

    >

struct apply< F AUX778076_APPLY_N_PARTIAL_SPEC_PARAMS(i_, T, na) >

    : BOOST_PP_CAT(apply,i_)< F AUX778076_APPLY_N_COMMA_PARAMS(i_, T) >

{

};

#endif

#   else // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION

#if !defined(BOOST_MPL_CFG_NO_APPLY_TEMPLATE)

namespace aux {

template<>

struct apply_chooser<i_>

{

    template<

          typename F, AUX778076_APPLY_PARAMS(typename T)

        >

    struct result_

    {

        typedef BOOST_PP_CAT(apply,i_)<

              F AUX778076_APPLY_N_COMMA_PARAMS(i_, T)

            > type;

    };

};

} // namespace aux

#endif

#   endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION

#   endif // BOOST_MPL_CFG_NO_APPLY_TEMPLATE

#   undef i_

#endif // BOOST_PP_ITERATION_DEPTH()

#endif // BOOST_PP_IS_ITERATING