Chris@16: 
Chris@16: #ifndef BOOST_MPL_SET_AUX_AT_IMPL_HPP_INCLUDED
Chris@16: #define BOOST_MPL_SET_AUX_AT_IMPL_HPP_INCLUDED
Chris@16: 
Chris@16: // Copyright Aleksey Gurtovoy 2003-2004
Chris@16: //
Chris@16: // Distributed under the Boost Software License, Version 1.0. 
Chris@16: // (See accompanying file LICENSE_1_0.txt or copy at 
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: //
Chris@16: // See http://www.boost.org/libs/mpl for documentation.
Chris@16: 
Chris@16: // $Id: at_impl.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
Chris@16: // $Date: 2008-10-10 23:19:02 -0700 (Fri, 10 Oct 2008) $
Chris@16: // $Revision: 49267 $
Chris@16: 
Chris@16: #include <boost/mpl/at_fwd.hpp>
Chris@16: #include <boost/mpl/set/aux_/has_key_impl.hpp>
Chris@16: #include <boost/mpl/set/aux_/tag.hpp>
Chris@16: #include <boost/mpl/if.hpp>
Chris@16: #include <boost/mpl/void.hpp>
Chris@16: 
Chris@16: namespace boost { namespace mpl {
Chris@16: 
Chris@16: template<>
Chris@16: struct at_impl< aux::set_tag >
Chris@16: {
Chris@16:     template< typename Set, typename T > struct apply
Chris@16:     {
Chris@16:         typedef typename if_< 
Chris@16:               has_key_impl<aux::set_tag>::apply<Set,T>
Chris@16:             , T
Chris@16:             , void_
Chris@16:             >::type type;            
Chris@16:     };
Chris@16: };
Chris@16: 
Chris@16: }}
Chris@16: 
Chris@16: #endif // BOOST_MPL_SET_AUX_AT_IMPL_HPP_INCLUDED