| |
| #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. |
| |
| // $Id$ |
| // $Date$ |
| // $Revision$ |
| |
| #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 |
