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1 |
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2 #ifndef BOOST_MPL_AUX_ARITY_SPEC_HPP_INCLUDED |
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3 #define BOOST_MPL_AUX_ARITY_SPEC_HPP_INCLUDED |
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4 |
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5 // Copyright Aleksey Gurtovoy 2001-2004 |
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6 // |
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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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10 // |
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11 // See http://www.boost.org/libs/mpl for documentation. |
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12 |
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13 // $Source: /cvsroot/boost/boost/boost/mpl/aux_/arity_spec.hpp,v $ |
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14 // $Date: 2004/11/28 02:04:02 $ |
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15 // $Revision: 1.7 $ |
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16 |
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17 #include <boost/mpl/int.hpp> |
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18 #include <boost/mpl/limits/arity.hpp> |
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19 #include <boost/mpl/aux_/config/dtp.hpp> |
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20 #include <boost/mpl/aux_/preprocessor/params.hpp> |
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21 #include <boost/mpl/aux_/arity.hpp> |
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22 #include <boost/mpl/aux_/template_arity_fwd.hpp> |
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23 #include <boost/mpl/aux_/config/ttp.hpp> |
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24 #include <boost/mpl/aux_/config/lambda.hpp> |
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25 #include <boost/mpl/aux_/config/static_constant.hpp> |
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26 |
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27 #if defined(BOOST_MPL_CFG_BROKEN_DEFAULT_PARAMETERS_IN_NESTED_TEMPLATES) |
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28 # define BOOST_MPL_AUX_NONTYPE_ARITY_SPEC(i,type,name) \ |
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29 namespace aux { \ |
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30 template< BOOST_MPL_AUX_NTTP_DECL(int, N), BOOST_MPL_PP_PARAMS(i,type T) > \ |
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31 struct arity< \ |
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32 name< BOOST_MPL_PP_PARAMS(i,T) > \ |
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33 , N \ |
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34 > \ |
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35 { \ |
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36 BOOST_STATIC_CONSTANT(int \ |
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37 , value = BOOST_MPL_LIMIT_METAFUNCTION_ARITY \ |
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38 ); \ |
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39 }; \ |
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40 } \ |
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41 /**/ |
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42 #else |
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43 # define BOOST_MPL_AUX_NONTYPE_ARITY_SPEC(i,type,name) /**/ |
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44 #endif |
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45 |
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46 # define BOOST_MPL_AUX_ARITY_SPEC(i,name) \ |
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47 BOOST_MPL_AUX_NONTYPE_ARITY_SPEC(i,typename,name) \ |
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48 /**/ |
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49 |
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50 |
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51 #if defined(BOOST_MPL_CFG_EXTENDED_TEMPLATE_PARAMETERS_MATCHING) \ |
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52 && !defined(BOOST_MPL_CFG_NO_FULL_LAMBDA_SUPPORT) |
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53 # define BOOST_MPL_AUX_TEMPLATE_ARITY_SPEC(i, name) \ |
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54 namespace aux { \ |
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55 template< BOOST_MPL_PP_PARAMS(i,typename T) > \ |
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56 struct template_arity< name<BOOST_MPL_PP_PARAMS(i,T)> > \ |
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57 : int_<i> \ |
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58 { \ |
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59 }; \ |
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60 } \ |
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61 /**/ |
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62 #else |
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63 # define BOOST_MPL_AUX_TEMPLATE_ARITY_SPEC(i, name) /**/ |
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64 #endif |
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65 |
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66 |
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67 #endif // BOOST_MPL_AUX_ARITY_SPEC_HPP_INCLUDED |