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68 lines
1.8 KiB
C++
68 lines
1.8 KiB
C++
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#ifndef BOOST_MPL_AUX_ARITY_SPEC_HPP_INCLUDED
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#define BOOST_MPL_AUX_ARITY_SPEC_HPP_INCLUDED
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// Copyright Aleksey Gurtovoy 2001-2004
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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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// $Id$
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// $Date$
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// $Revision$
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#include <boost/mpl/int.hpp>
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#include <boost/mpl/limits/arity.hpp>
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#include <boost/mpl/aux_/config/dtp.hpp>
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#include <boost/mpl/aux_/preprocessor/params.hpp>
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#include <boost/mpl/aux_/arity.hpp>
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#include <boost/mpl/aux_/template_arity_fwd.hpp>
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#include <boost/mpl/aux_/config/ttp.hpp>
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#include <boost/mpl/aux_/config/lambda.hpp>
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#include <boost/mpl/aux_/config/static_constant.hpp>
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#if defined(BOOST_MPL_CFG_BROKEN_DEFAULT_PARAMETERS_IN_NESTED_TEMPLATES)
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# define BOOST_MPL_AUX_NONTYPE_ARITY_SPEC(i,type,name) \
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namespace aux { \
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template< BOOST_MPL_AUX_NTTP_DECL(int, N), BOOST_MPL_PP_PARAMS(i,type T) > \
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struct arity< \
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name< BOOST_MPL_PP_PARAMS(i,T) > \
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, N \
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> \
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{ \
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BOOST_STATIC_CONSTANT(int \
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, value = BOOST_MPL_LIMIT_METAFUNCTION_ARITY \
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); \
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}; \
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} \
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/**/
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#else
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# define BOOST_MPL_AUX_NONTYPE_ARITY_SPEC(i,type,name) /**/
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#endif
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# define BOOST_MPL_AUX_ARITY_SPEC(i,name) \
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BOOST_MPL_AUX_NONTYPE_ARITY_SPEC(i,typename,name) \
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/**/
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#if defined(BOOST_MPL_CFG_EXTENDED_TEMPLATE_PARAMETERS_MATCHING) \
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&& !defined(BOOST_MPL_CFG_NO_FULL_LAMBDA_SUPPORT)
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# define BOOST_MPL_AUX_TEMPLATE_ARITY_SPEC(i, name) \
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namespace aux { \
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template< BOOST_MPL_PP_PARAMS(i,typename T) > \
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struct template_arity< name<BOOST_MPL_PP_PARAMS(i,T)> > \
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: int_<i> \
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{ \
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}; \
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} \
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/**/
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#else
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# define BOOST_MPL_AUX_TEMPLATE_ARITY_SPEC(i, name) /**/
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#endif
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#endif // BOOST_MPL_AUX_ARITY_SPEC_HPP_INCLUDED
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