aux_/has_key_impl.hpp

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#ifndef BOOST_MPL_AUX_HAS_KEY_IMPL_HPP_INCLUDED
#define BOOST_MPL_AUX_HAS_KEY_IMPL_HPP_INCLUDED
 
// 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 
// http://www.boost.org/LICENSE_1_0.txt)
//
// See http://www.boost.org/libs/mpl for documentation.
 
// $Id: has_key_impl.hpp 13472 2017-08-22 07:53:44Z richean $
// $Date: 2017-08-22 09:53:44 +0200 (Di, 22 Aug 2017) $
// $Revision: 13472 $
 
#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;
};
 
BOOST_MPL_ALGORITM_TRAITS_LAMBDA_SPEC(2,has_key_impl)
 
}}
 
#endif // BOOST_MPL_AUX_HAS_KEY_IMPL_HPP_INCLUDED