#if !defined(BOOST_PP_IS_ITERATING) | |
///// header body | |
#ifndef BOOST_MPL_UNPACK_ARGS_HPP_INCLUDED | |
#define BOOST_MPL_UNPACK_ARGS_HPP_INCLUDED | |
// Copyright Aleksey Gurtovoy 2002-2004 | |
// | |
// 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: unpack_args.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.hpp> | |
# include <boost/mpl/at.hpp> | |
# include <boost/mpl/size.hpp> | |
# include <boost/mpl/aux_/nttp_decl.hpp> | |
# include <boost/mpl/aux_/lambda_spec.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 unpack_args.hpp | |
# include <boost/mpl/aux_/include_preprocessed.hpp> | |
#else | |
# include <boost/mpl/limits/arity.hpp> | |
# include <boost/mpl/aux_/preprocessor/repeat.hpp> | |
# include <boost/mpl/aux_/config/ctps.hpp> | |
# include <boost/mpl/aux_/config/forwarding.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_UNPACK(unused, i, Args) \ | |
, typename at_c<Args,i>::type \ | |
/**/ | |
# define AUX778076_UNPACKED_ARGS(n, Args) \ | |
BOOST_MPL_PP_REPEAT(n, AUX778076_UNPACK, Args) \ | |
/**/ | |
namespace aux { | |
#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) | |
template< int size, typename F, typename Args > | |
struct unpack_args_impl; | |
#else | |
template< BOOST_MPL_AUX_NTTP_DECL(int, size) > struct unpack_args_impl | |
{ | |
template< typename F, typename Args > struct apply; | |
}; | |
#endif | |
#define BOOST_PP_ITERATION_PARAMS_1 \ | |
(3,(0, BOOST_MPL_LIMIT_METAFUNCTION_ARITY, <boost/mpl/unpack_args.hpp>)) | |
#include BOOST_PP_ITERATE() | |
} | |
template< | |
typename F | |
> | |
struct unpack_args | |
{ | |
template< typename Args > struct apply | |
#if !defined(BOOST_MPL_CFG_NO_NESTED_FORWARDING) | |
# if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) | |
: aux::unpack_args_impl< size<Args>::value,F,Args > | |
# else | |
: aux::unpack_args_impl< size<Args>::value > | |
::template apply< F,Args > | |
# endif | |
{ | |
#else // BOOST_MPL_CFG_NO_NESTED_FORWARDING | |
{ | |
typedef typename aux::unpack_args_impl< | |
size<Args>::value | |
, F | |
, Args | |
>::type type; | |
#endif | |
}; | |
}; | |
BOOST_MPL_AUX_PASS_THROUGH_LAMBDA_SPEC(1, unpack_args) | |
# undef AUX778076_UNPACK | |
# undef AUX778076_UNPACKED_ARGS | |
}} | |
#endif // BOOST_MPL_CFG_USE_PREPROCESSED_HEADERS | |
#endif // BOOST_MPL_UNPACK_ARGS_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) | |
#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) | |
template< typename F, typename Args > | |
struct unpack_args_impl<i_,F,Args> | |
: BOOST_PP_CAT(apply,i_)< | |
F | |
AUX778076_UNPACKED_ARGS(i_, Args) | |
> | |
{ | |
}; | |
#else | |
template<> struct unpack_args_impl<i_> | |
{ | |
template< typename F, typename Args > struct apply | |
: BOOST_PP_CAT(apply,i_)< | |
F | |
AUX778076_UNPACKED_ARGS(i_, Args) | |
> | |
{ | |
}; | |
}; | |
#endif | |
# undef i_ | |
#endif // BOOST_PP_ITERATION_DEPTH() | |
#endif // BOOST_PP_IS_ITERATING |