williamr@2: 
williamr@2: #ifndef BOOST_MPL_AUX_ARITY_SPEC_HPP_INCLUDED
williamr@2: #define BOOST_MPL_AUX_ARITY_SPEC_HPP_INCLUDED
williamr@2: 
williamr@2: // Copyright Aleksey Gurtovoy 2001-2004
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@2: // See http://www.boost.org/libs/mpl for documentation.
williamr@2: 
williamr@2: // $Source: /cvsroot/boost/boost/boost/mpl/aux_/arity_spec.hpp,v $
williamr@2: // $Date: 2004/11/28 02:04:02 $
williamr@2: // $Revision: 1.7 $
williamr@2: 
williamr@2: #include <boost/mpl/int.hpp>
williamr@2: #include <boost/mpl/limits/arity.hpp>
williamr@2: #include <boost/mpl/aux_/config/dtp.hpp>
williamr@2: #include <boost/mpl/aux_/preprocessor/params.hpp>
williamr@2: #include <boost/mpl/aux_/arity.hpp>
williamr@2: #include <boost/mpl/aux_/template_arity_fwd.hpp>
williamr@2: #include <boost/mpl/aux_/config/ttp.hpp>
williamr@2: #include <boost/mpl/aux_/config/lambda.hpp>
williamr@2: #include <boost/mpl/aux_/config/static_constant.hpp>
williamr@2: 
williamr@2: #if defined(BOOST_MPL_CFG_BROKEN_DEFAULT_PARAMETERS_IN_NESTED_TEMPLATES)
williamr@2: #   define BOOST_MPL_AUX_NONTYPE_ARITY_SPEC(i,type,name) \
williamr@2: namespace aux { \
williamr@2: template< BOOST_MPL_AUX_NTTP_DECL(int, N), BOOST_MPL_PP_PARAMS(i,type T) > \
williamr@2: struct arity< \
williamr@2:       name< BOOST_MPL_PP_PARAMS(i,T) > \
williamr@2:     , N \
williamr@2:     > \
williamr@2: { \
williamr@2:     BOOST_STATIC_CONSTANT(int \
williamr@2:         , value = BOOST_MPL_LIMIT_METAFUNCTION_ARITY \
williamr@2:         ); \
williamr@2: }; \
williamr@2: } \
williamr@2: /**/
williamr@2: #else
williamr@2: #   define BOOST_MPL_AUX_NONTYPE_ARITY_SPEC(i,type,name) /**/
williamr@2: #endif
williamr@2: 
williamr@2: #   define BOOST_MPL_AUX_ARITY_SPEC(i,name) \
williamr@2:     BOOST_MPL_AUX_NONTYPE_ARITY_SPEC(i,typename,name) \
williamr@2: /**/
williamr@2: 
williamr@2: 
williamr@2: #if defined(BOOST_MPL_CFG_EXTENDED_TEMPLATE_PARAMETERS_MATCHING) \
williamr@2:     && !defined(BOOST_MPL_CFG_NO_FULL_LAMBDA_SUPPORT)
williamr@2: #   define BOOST_MPL_AUX_TEMPLATE_ARITY_SPEC(i, name) \
williamr@2: namespace aux { \
williamr@2: template< BOOST_MPL_PP_PARAMS(i,typename T) > \
williamr@2: struct template_arity< name<BOOST_MPL_PP_PARAMS(i,T)> > \
williamr@2:     : int_<i> \
williamr@2: { \
williamr@2: }; \
williamr@2: } \
williamr@2: /**/
williamr@2: #else
williamr@2: #   define BOOST_MPL_AUX_TEMPLATE_ARITY_SPEC(i, name) /**/
williamr@2: #endif
williamr@2: 
williamr@2: 
williamr@2: #endif // BOOST_MPL_AUX_ARITY_SPEC_HPP_INCLUDED