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// Copyright Aleksey Gurtovoy 2002-2004
// Copyright David Abrahams 2003
// 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/has_key_fwd.hpp>
#include <boost/mpl/aux_/traits_lambda_spec.hpp>

namespace boost { namespace mpl {

// no default implementation; the definition is needed to make MSVC happy 

template< typename Tag > struct has_key_impl
    template< typename AssociativeSequence, typename Key > struct apply;