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// Copyright Aleksey Gurtovoy 2001-2004
// Distributed under the Boost Software License, Version 1.0. 
// (See accompanying file LICENSE_1_0.txt or copy at 
// See for documentation.

// $Id$
// $Date$
// $Revision$

#include <boost/mpl/aux_/config/dtp.hpp>


#   include <boost/mpl/aux_/nttp_decl.hpp>
#   include <boost/mpl/aux_/config/static_constant.hpp>

namespace boost { namespace mpl { namespace aux {

// agurt, 15/mar/02: it's possible to implement the template so that it will 
// "just work" and do not require any specialization, but not on the compilers
// that require the arity workaround in the first place
template< typename F, BOOST_MPL_AUX_NTTP_DECL(int, N) >
struct arity
    BOOST_STATIC_CONSTANT(int, value = N);