Chris@16: 
Chris@16: #if !defined(BOOST_PP_IS_ITERATING)
Chris@16: 
Chris@16: ///// header body
Chris@16: 
Chris@16: #ifndef BOOST_MPL_APPLY_FWD_HPP_INCLUDED
Chris@16: #define BOOST_MPL_APPLY_FWD_HPP_INCLUDED
Chris@16: 
Chris@16: // Copyright Aleksey Gurtovoy 2000-2004
Chris@16: //
Chris@16: // Distributed under the Boost Software License, Version 1.0. 
Chris@16: // (See accompanying file LICENSE_1_0.txt or copy at 
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: //
Chris@16: // See http://www.boost.org/libs/mpl for documentation.
Chris@16: 
Chris@101: // $Id$
Chris@101: // $Date$
Chris@101: // $Revision$
Chris@16: 
Chris@16: #if !defined(BOOST_MPL_PREPROCESSING_MODE)
Chris@16: #   include <boost/mpl/aux_/na.hpp>
Chris@16: #endif
Chris@16: 
Chris@16: #include <boost/mpl/aux_/config/use_preprocessed.hpp>
Chris@16: 
Chris@16: #if !defined(BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS) \
Chris@16:     && !defined(BOOST_MPL_PREPROCESSING_MODE)
Chris@16: 
Chris@16: #   define BOOST_MPL_PREPROCESSED_HEADER apply_fwd.hpp
Chris@16: #   include <boost/mpl/aux_/include_preprocessed.hpp>
Chris@16: 
Chris@16: #else
Chris@16: 
Chris@16: #   include <boost/mpl/limits/arity.hpp>
Chris@16: #   include <boost/mpl/aux_/preprocessor/params.hpp>
Chris@16: #   include <boost/mpl/aux_/preprocessor/default_params.hpp>
Chris@16: #   include <boost/mpl/aux_/config/ctps.hpp>
Chris@16: #   include <boost/mpl/aux_/nttp_decl.hpp>
Chris@16: 
Chris@16: #   include <boost/preprocessor/comma_if.hpp>
Chris@16: #   include <boost/preprocessor/iterate.hpp>
Chris@16: #   include <boost/preprocessor/cat.hpp>
Chris@16: 
Chris@16: // agurt, 15/jan/02: top-level 'apply' template gives an ICE on MSVC
Chris@16: // (for known reasons)
Chris@16: #if BOOST_WORKAROUND(BOOST_MSVC, < 1300)
Chris@16: #   define BOOST_MPL_CFG_NO_APPLY_TEMPLATE
Chris@16: #endif
Chris@16: 
Chris@16: namespace boost { namespace mpl {
Chris@16: 
Chris@16: // local macro, #undef-ined at the end of the header
Chris@16: #   define AUX778076_APPLY_DEF_PARAMS(param, value) \
Chris@16:     BOOST_MPL_PP_DEFAULT_PARAMS( \
Chris@16:           BOOST_MPL_LIMIT_METAFUNCTION_ARITY \
Chris@16:         , param \
Chris@16:         , value \
Chris@16:         ) \
Chris@16:     /**/
Chris@16: 
Chris@16: #   define AUX778076_APPLY_N_COMMA_PARAMS(n, param) \
Chris@16:     BOOST_PP_COMMA_IF(n) \
Chris@16:     BOOST_MPL_PP_PARAMS(n, param) \
Chris@16:     /**/
Chris@16: 
Chris@16: #   if !defined(BOOST_MPL_CFG_NO_APPLY_TEMPLATE)
Chris@16: 
Chris@16: #if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
Chris@16: // forward declaration
Chris@16: template<
Chris@16:       typename F, AUX778076_APPLY_DEF_PARAMS(typename T, na)
Chris@16:     >
Chris@16: struct apply;
Chris@16: #else
Chris@16: namespace aux {
Chris@16: template< BOOST_AUX_NTTP_DECL(int, arity_) > struct apply_chooser;
Chris@16: }
Chris@16: #endif
Chris@16: 
Chris@16: #   endif // BOOST_MPL_CFG_NO_APPLY_TEMPLATE
Chris@16: 
Chris@16: #define BOOST_PP_ITERATION_PARAMS_1 \
Chris@16:     (3,(0, BOOST_MPL_LIMIT_METAFUNCTION_ARITY, <boost/mpl/apply_fwd.hpp>))
Chris@16: #include BOOST_PP_ITERATE()
Chris@16: 
Chris@16: 
Chris@16: #   undef AUX778076_APPLY_N_COMMA_PARAMS
Chris@16: #   undef AUX778076_APPLY_DEF_PARAMS
Chris@16: 
Chris@16: }}
Chris@16: 
Chris@16: #endif // BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS
Chris@16: #endif // BOOST_MPL_APPLY_FWD_HPP_INCLUDED
Chris@16: 
Chris@16: ///// iteration
Chris@16: 
Chris@16: #else
Chris@16: #define i_ BOOST_PP_FRAME_ITERATION(1)
Chris@16: 
Chris@16: template<
Chris@16:       typename F AUX778076_APPLY_N_COMMA_PARAMS(i_, typename T)
Chris@16:     >
Chris@16: struct BOOST_PP_CAT(apply,i_);
Chris@16: 
Chris@16: #undef i_
Chris@16: #endif // BOOST_PP_IS_ITERATING