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| 2 | #ifndef BOOST_MPL_AUX_ARITY_HPP_INCLUDED |
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| 3 | #define BOOST_MPL_AUX_ARITY_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 | // $Id: arity.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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| 16 | |
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| 17 | #include <boost/mpl/aux_/config/dtp.hpp> |
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| 18 | |
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| 19 | #if defined(BOOST_MPL_CFG_BROKEN_DEFAULT_PARAMETERS_IN_NESTED_TEMPLATES) |
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| 20 | |
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| 21 | # include <boost/mpl/aux_/nttp_decl.hpp> |
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| 22 | # include <boost/mpl/aux_/config/static_constant.hpp> |
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| 23 | |
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| 24 | namespace boost { namespace mpl { namespace aux { |
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| 25 | |
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| 26 | // agurt, 15/mar/02: it's possible to implement the template so that it will |
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| 27 | // "just work" and do not require any specialization, but not on the compilers |
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| 28 | // that require the arity workaround in the first place |
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| 29 | template< typename F, BOOST_MPL_AUX_NTTP_DECL(int, N) > |
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| 30 | struct arity |
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| 31 | { |
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| 32 | BOOST_STATIC_CONSTANT(int, value = N); |
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| 33 | }; |
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| 34 | |
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| 35 | }}} |
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| 36 | |
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| 37 | #endif // BOOST_MPL_CFG_BROKEN_DEFAULT_PARAMETERS_IN_NESTED_TEMPLATES |
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| 38 | |
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| 39 | #endif // BOOST_MPL_AUX_ARITY_HPP_INCLUDED |
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