2 #ifndef BOOST_MPL_AUX_PREPROCESSOR_DEFAULT_PARAMS_HPP_INCLUDED
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3 #define BOOST_MPL_AUX_PREPROCESSOR_DEFAULT_PARAMS_HPP_INCLUDED
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5 // Copyright Aleksey Gurtovoy 2002-2004
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7 // Distributed under the Boost Software License, Version 1.0.
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8 // (See accompanying file LICENSE_1_0.txt or copy at
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9 // http://www.boost.org/LICENSE_1_0.txt)
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11 // See http://www.boost.org/libs/mpl for documentation.
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13 // $Id: default_params.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
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14 // $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $
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15 // $Revision: 49267 $
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17 #include <boost/mpl/aux_/config/preprocessor.hpp>
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19 // BOOST_MPL_PP_DEFAULT_PARAMS(0,T,int): <nothing>
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20 // BOOST_MPL_PP_DEFAULT_PARAMS(1,T,int): T1 = int
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21 // BOOST_MPL_PP_DEFAULT_PARAMS(2,T,int): T1 = int, T2 = int
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22 // BOOST_MPL_PP_DEFAULT_PARAMS(n,T,int): T1 = int, T2 = int, .., Tn = int
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24 #if !defined(BOOST_MPL_CFG_NO_OWN_PP_PRIMITIVES)
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26 # include <boost/preprocessor/cat.hpp>
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28 # define BOOST_MPL_PP_DEFAULT_PARAMS(n,p,v) \
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29 BOOST_PP_CAT(BOOST_MPL_PP_DEFAULT_PARAMS_,n)(p,v) \
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32 # define BOOST_MPL_PP_DEFAULT_PARAMS_0(p,v)
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33 # define BOOST_MPL_PP_DEFAULT_PARAMS_1(p,v) p##1=v
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34 # define BOOST_MPL_PP_DEFAULT_PARAMS_2(p,v) p##1=v,p##2=v
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35 # define BOOST_MPL_PP_DEFAULT_PARAMS_3(p,v) p##1=v,p##2=v,p##3=v
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36 # define BOOST_MPL_PP_DEFAULT_PARAMS_4(p,v) p##1=v,p##2=v,p##3=v,p##4=v
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37 # define BOOST_MPL_PP_DEFAULT_PARAMS_5(p,v) p##1=v,p##2=v,p##3=v,p##4=v,p##5=v
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38 # define BOOST_MPL_PP_DEFAULT_PARAMS_6(p,v) p##1=v,p##2=v,p##3=v,p##4=v,p##5=v,p##6=v
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39 # define BOOST_MPL_PP_DEFAULT_PARAMS_7(p,v) p##1=v,p##2=v,p##3=v,p##4=v,p##5=v,p##6=v,p##7=v
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40 # define BOOST_MPL_PP_DEFAULT_PARAMS_8(p,v) p##1=v,p##2=v,p##3=v,p##4=v,p##5=v,p##6=v,p##7=v,p##8=v
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41 # define BOOST_MPL_PP_DEFAULT_PARAMS_9(p,v) p##1=v,p##2=v,p##3=v,p##4=v,p##5=v,p##6=v,p##7=v,p##8=v,p##9=v
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45 # include <boost/preprocessor/tuple/elem.hpp>
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46 # include <boost/preprocessor/comma_if.hpp>
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47 # include <boost/preprocessor/repeat.hpp>
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48 # include <boost/preprocessor/inc.hpp>
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49 # include <boost/preprocessor/cat.hpp>
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51 # define BOOST_MPL_PP_AUX_DEFAULT_PARAM_FUNC(unused, i, pv) \
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52 BOOST_PP_COMMA_IF(i) \
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53 BOOST_PP_CAT( BOOST_PP_TUPLE_ELEM(2,0,pv), BOOST_PP_INC(i) ) \
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54 = BOOST_PP_TUPLE_ELEM(2,1,pv) \
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57 # define BOOST_MPL_PP_DEFAULT_PARAMS(n, param, value) \
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60 , BOOST_MPL_PP_AUX_DEFAULT_PARAM_FUNC \
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67 #endif // BOOST_MPL_AUX_PREPROCESSOR_DEFAULT_PARAMS_HPP_INCLUDED
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