| #ifndef BOOST_MPL_SET_AUX_AT_IMPL_HPP_INCLUDED | |
| #define BOOST_MPL_SET_AUX_AT_IMPL_HPP_INCLUDED | |
| // Copyright Aleksey Gurtovoy 2003-2004 | |
| // | |
| // 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: at_impl.hpp 49267 2008-10-11 06:19:02Z agurtovoy $ | |
| // $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $ | |
| // $Revision: 49267 $ | |
| #include <boost/mpl/at_fwd.hpp> | |
| #include <boost/mpl/set/aux_/has_key_impl.hpp> | |
| #include <boost/mpl/set/aux_/tag.hpp> | |
| #include <boost/mpl/if.hpp> | |
| #include <boost/mpl/void.hpp> | |
| namespace boost { namespace mpl { | |
| template<> | |
| struct at_impl< aux::set_tag > | |
| { | |
| template< typename Set, typename T > struct apply | |
| { | |
| typedef typename if_< | |
| has_key_impl<aux::set_tag>::apply<Set,T> | |
| , T | |
| , void_ | |
| >::type type; | |
| }; | |
| }; | |
| }} | |
| #endif // BOOST_MPL_SET_AUX_AT_IMPL_HPP_INCLUDED |