epoc32/include/stdapis/boost/mpl/apply_wrap.hpp
author William Roberts <williamr@symbian.org>
Wed, 31 Mar 2010 12:33:34 +0100
branchSymbian3
changeset 4 837f303aceeb
parent 3 e1b950c65cb4
permissions -rw-r--r--
Current Symbian^3 public API header files (from PDK 3.0.h)
This is the epoc32/include tree with the "platform" subtrees removed, and
all but a selected few mbg and rsg files removed.
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#if !defined(BOOST_PP_IS_ITERATING)
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///// header body
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#ifndef BOOST_MPL_APPLY_WRAP_HPP_INCLUDED
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#define BOOST_MPL_APPLY_WRAP_HPP_INCLUDED
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// Copyright Aleksey Gurtovoy 2000-2004
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//
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// Distributed under the Boost Software License, Version 1.0. 
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// (See accompanying file LICENSE_1_0.txt or copy at 
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/mpl for documentation.
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// $Source: /cvsroot/boost/boost/boost/mpl/apply_wrap.hpp,v $
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// $Date: 2004/09/03 15:56:55 $
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// $Revision: 1.3 $
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#if !defined(BOOST_MPL_PREPROCESSING_MODE)
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#   include <boost/mpl/aux_/arity.hpp>
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#   include <boost/mpl/aux_/has_apply.hpp>
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#   include <boost/mpl/aux_/na.hpp>
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#   include <boost/mpl/aux_/msvc_never_true.hpp>
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#endif
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#include <boost/mpl/aux_/config/use_preprocessed.hpp>
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#if !defined(BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS) \
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    && !defined(BOOST_MPL_PREPROCESSING_MODE)
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#   define BOOST_MPL_PREPROCESSED_HEADER apply_wrap.hpp
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#   include <boost/mpl/aux_/include_preprocessed.hpp>
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#else
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#   include <boost/mpl/limits/arity.hpp>
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#   include <boost/mpl/aux_/preprocessor/params.hpp>
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#   include <boost/mpl/aux_/preprocessor/enum.hpp>
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#   include <boost/mpl/aux_/preprocessor/add.hpp>
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#   include <boost/mpl/aux_/config/dtp.hpp>
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#   include <boost/mpl/aux_/config/eti.hpp>
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#   include <boost/mpl/aux_/config/ctps.hpp>
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#   include <boost/mpl/aux_/config/msvc.hpp>
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#   include <boost/mpl/aux_/config/workaround.hpp>
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#   include <boost/preprocessor/comma_if.hpp>
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#   include <boost/preprocessor/logical/and.hpp>
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#   include <boost/preprocessor/inc.hpp>
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#   include <boost/preprocessor/iterate.hpp>
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namespace boost { namespace mpl {
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// local macros, #undef-ined at the end of the header
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#   define AUX778076_APPLY_WRAP_PARAMS(n, param) \
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    BOOST_MPL_PP_PARAMS(n, param) \
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    /**/
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#   define AUX778076_APPLY_WRAP_SPEC_PARAMS(n, param) \
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    BOOST_MPL_PP_ENUM(BOOST_PP_INC(n), param) \
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    /**/
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#define BOOST_PP_ITERATION_PARAMS_1 \
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    (3,(0, BOOST_MPL_LIMIT_METAFUNCTION_ARITY, <boost/mpl/apply_wrap.hpp>))
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#include BOOST_PP_ITERATE()
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#   undef AUX778076_APPLY_WRAP_SPEC_PARAMS
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#   undef AUX778076_APPLY_WRAP_PARAMS
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}}
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#endif // BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS
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#endif // BOOST_MPL_APPLY_WRAP_HPP_INCLUDED
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///// iteration, depth == 1
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#elif BOOST_PP_ITERATION_DEPTH() == 1
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#   define i_ BOOST_PP_FRAME_ITERATION(1)
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#   if BOOST_WORKAROUND(BOOST_MSVC, < 1300)
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// MSVC version
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#define AUX778076_MSVC_DTW_NAME BOOST_PP_CAT(msvc_apply,i_)
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#define AUX778076_MSVC_DTW_ORIGINAL_NAME apply
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#define AUX778076_MSVC_DTW_ARITY i_
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#include <boost/mpl/aux_/msvc_dtw.hpp>
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template<
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      typename F BOOST_PP_COMMA_IF(i_) AUX778076_APPLY_WRAP_PARAMS(i_, typename T)
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    >
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struct BOOST_PP_CAT(apply_wrap,i_)
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{
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    // Metafunction forwarding confuses vc6
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    typedef typename BOOST_PP_CAT(msvc_apply,i_)<F>::template result_<
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          AUX778076_APPLY_WRAP_PARAMS(i_, T)
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        >::type type;
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};
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#   elif defined(BOOST_MPL_CFG_BROKEN_DEFAULT_PARAMETERS_IN_NESTED_TEMPLATES)
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// MWCW/Borland version
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template<
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      int N, typename F BOOST_PP_COMMA_IF(i_) AUX778076_APPLY_WRAP_PARAMS(i_, typename T)
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    >
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struct BOOST_PP_CAT(apply_wrap_impl,i_);
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#define BOOST_PP_ITERATION_PARAMS_2 \
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    (3,(0, BOOST_MPL_LIMIT_METAFUNCTION_ARITY - i_, <boost/mpl/apply_wrap.hpp>))
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#include BOOST_PP_ITERATE()
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template<
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      typename F BOOST_PP_COMMA_IF(i_) AUX778076_APPLY_WRAP_PARAMS(i_, typename T)
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    >
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struct BOOST_PP_CAT(apply_wrap,i_)
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    : BOOST_PP_CAT(apply_wrap_impl,i_)<
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          ::boost::mpl::aux::arity<F,i_>::value
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        , F
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        BOOST_PP_COMMA_IF(i_) AUX778076_APPLY_WRAP_PARAMS(i_, T)
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        >::type
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{
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};
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#   else
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// ISO98 C++, with minor concession to vc7
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template<
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      typename F BOOST_PP_COMMA_IF(i_) AUX778076_APPLY_WRAP_PARAMS(i_, typename T)
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#if i_ == 0
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    , typename has_apply_ = typename aux::has_apply<F>::type
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#endif
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    >
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struct BOOST_PP_CAT(apply_wrap,i_)
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// metafunction forwarding confuses MSVC 7.0
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#if !BOOST_WORKAROUND(BOOST_MSVC, == 1300)
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    : F::template apply< AUX778076_APPLY_WRAP_PARAMS(i_, T) >
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{
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#else
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{    
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    typedef typename F::template apply<
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         AUX778076_APPLY_WRAP_PARAMS(i_, T)
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        >::type type;
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#endif
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};
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#if i_ == 0 && !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
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template< typename F >
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struct BOOST_PP_CAT(apply_wrap,i_)<F,true_>
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    : F::apply
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{
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};
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#endif
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#   endif // workarounds
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#if defined(BOOST_MPL_CFG_MSVC_ETI_BUG)
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/// workaround for ETI bug
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template<>
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struct BOOST_PP_CAT(apply_wrap,i_)<AUX778076_APPLY_WRAP_SPEC_PARAMS(i_, int)>
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{
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    typedef int type;
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};
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#endif
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#   undef i_
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///// iteration, depth == 2
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#elif BOOST_PP_ITERATION_DEPTH() == 2
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#   define j_ BOOST_PP_FRAME_ITERATION(2)
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template<
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      typename F BOOST_PP_COMMA_IF(i_) AUX778076_APPLY_WRAP_PARAMS(i_, typename T)
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    >
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struct BOOST_PP_CAT(apply_wrap_impl,i_)<
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          BOOST_MPL_PP_ADD(i_, j_)
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        , F
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        BOOST_PP_COMMA_IF(i_) AUX778076_APPLY_WRAP_PARAMS(i_, T)
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        >
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{
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    typedef typename F::template apply<
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          AUX778076_APPLY_WRAP_PARAMS(i_, T)
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#if i_ == 0 && j_ == 0
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/// since the defaults are "lost", we have to pass *something* even for nullary
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/// metafunction classes
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        na
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#else
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        BOOST_PP_COMMA_IF(BOOST_PP_AND(i_, j_)) BOOST_MPL_PP_ENUM(j_, na)
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#endif
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        > type;
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};
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#   undef j_
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#endif // BOOST_PP_IS_ITERATING