williamr@4: 
williamr@4: #if !defined(BOOST_PP_IS_ITERATING)
williamr@4: 
williamr@4: ///// header body
williamr@4: 
williamr@4: #ifndef BOOST_MPL_APPLY_FWD_HPP_INCLUDED
williamr@4: #define BOOST_MPL_APPLY_FWD_HPP_INCLUDED
williamr@2: 
williamr@2: // Copyright Aleksey Gurtovoy 2000-2004
williamr@2: //
williamr@2: // Distributed under the Boost Software License, Version 1.0. 
williamr@2: // (See accompanying file LICENSE_1_0.txt or copy at 
williamr@2: // http://www.boost.org/LICENSE_1_0.txt)
williamr@2: //
williamr@4: // See http://www.boost.org/libs/mpl for documentation.
williamr@2: 
williamr@4: // $Source: /cvsroot/boost/boost/boost/mpl/apply_fwd.hpp,v $
williamr@4: // $Date: 2005/08/25 16:27:21 $
williamr@4: // $Revision: 1.3 $
williamr@4: 
williamr@4: #if !defined(BOOST_MPL_PREPROCESSING_MODE)
williamr@4: #   include <boost/mpl/aux_/na.hpp>
williamr@4: #endif
williamr@4: 
williamr@4: #include <boost/mpl/aux_/config/use_preprocessed.hpp>
williamr@4: 
williamr@4: #if !defined(BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS) \
williamr@4:     && !defined(BOOST_MPL_PREPROCESSING_MODE)
williamr@4: 
williamr@4: #   define BOOST_MPL_PREPROCESSED_HEADER apply_fwd.hpp
williamr@4: #   include <boost/mpl/aux_/include_preprocessed.hpp>
williamr@4: 
williamr@4: #else
williamr@4: 
williamr@4: #   include <boost/mpl/limits/arity.hpp>
williamr@4: #   include <boost/mpl/aux_/preprocessor/params.hpp>
williamr@4: #   include <boost/mpl/aux_/preprocessor/default_params.hpp>
williamr@4: #   include <boost/mpl/aux_/config/ctps.hpp>
williamr@4: #   include <boost/mpl/aux_/nttp_decl.hpp>
williamr@4: 
williamr@4: #   include <boost/preprocessor/comma_if.hpp>
williamr@4: #   include <boost/preprocessor/iterate.hpp>
williamr@4: #   include <boost/preprocessor/cat.hpp>
williamr@4: 
williamr@4: // agurt, 15/jan/02: top-level 'apply' template gives an ICE on MSVC
williamr@4: // (for known reasons)
williamr@4: #if BOOST_WORKAROUND(BOOST_MSVC, < 1300)
williamr@4: #   define BOOST_MPL_CFG_NO_APPLY_TEMPLATE
williamr@4: #endif
williamr@2: 
williamr@2: namespace boost { namespace mpl {
williamr@2: 
williamr@4: // local macro, #undef-ined at the end of the header
williamr@4: #   define AUX778076_APPLY_DEF_PARAMS(param, value) \
williamr@4:     BOOST_MPL_PP_DEFAULT_PARAMS( \
williamr@4:           BOOST_MPL_LIMIT_METAFUNCTION_ARITY \
williamr@4:         , param \
williamr@4:         , value \
williamr@4:         ) \
williamr@4:     /**/
williamr@4: 
williamr@4: #   define AUX778076_APPLY_N_COMMA_PARAMS(n, param) \
williamr@4:     BOOST_PP_COMMA_IF(n) \
williamr@4:     BOOST_MPL_PP_PARAMS(n, param) \
williamr@4:     /**/
williamr@4: 
williamr@4: #   if !defined(BOOST_MPL_CFG_NO_APPLY_TEMPLATE)
williamr@4: 
williamr@4: #if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
williamr@4: // forward declaration
williamr@2: template<
williamr@4:       typename F, AUX778076_APPLY_DEF_PARAMS(typename T, na)
williamr@2:     >
williamr@2: struct apply;
williamr@4: #else
williamr@4: namespace aux {
williamr@4: template< BOOST_AUX_NTTP_DECL(int, arity_) > struct apply_chooser;
williamr@4: }
williamr@4: #endif
williamr@2: 
williamr@4: #   endif // BOOST_MPL_CFG_NO_APPLY_TEMPLATE
williamr@2: 
williamr@4: #define BOOST_PP_ITERATION_PARAMS_1 \
williamr@4:     (3,(0, BOOST_MPL_LIMIT_METAFUNCTION_ARITY, <boost/mpl/apply_fwd.hpp>))
williamr@4: #include BOOST_PP_ITERATE()
williamr@2: 
williamr@2: 
williamr@4: #   undef AUX778076_APPLY_N_COMMA_PARAMS
williamr@4: #   undef AUX778076_APPLY_DEF_PARAMS
williamr@2: 
williamr@2: }}
williamr@2: 
williamr@4: #endif // BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS
williamr@4: #endif // BOOST_MPL_APPLY_FWD_HPP_INCLUDED
williamr@4: 
williamr@4: ///// iteration
williamr@4: 
williamr@4: #else
williamr@4: #define i_ BOOST_PP_FRAME_ITERATION(1)
williamr@4: 
williamr@4: template<
williamr@4:       typename F AUX778076_APPLY_N_COMMA_PARAMS(i_, typename T)
williamr@4:     >
williamr@4: struct BOOST_PP_CAT(apply,i_);
williamr@4: 
williamr@4: #undef i_
williamr@4: #endif // BOOST_PP_IS_ITERATING