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/Src/Dependencies/Boost/boost/mpl/set/aux_/at_impl.hpp

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 1
 2#ifndef BOOST_MPL_SET_AUX_AT_IMPL_HPP_INCLUDED
 3#define BOOST_MPL_SET_AUX_AT_IMPL_HPP_INCLUDED
 4
 5// Copyright Aleksey Gurtovoy 2003-2004
 6//
 7// Distributed under the Boost Software License, Version 1.0. 
 8// (See accompanying file LICENSE_1_0.txt or copy at 
 9// http://www.boost.org/LICENSE_1_0.txt)
10//
11// See http://www.boost.org/libs/mpl for documentation.
12
13// $Id: at_impl.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
14// $Date: 2008-10-11 17:19:02 +1100 (Sat, 11 Oct 2008) $
15// $Revision: 49267 $
16
17#include <boost/mpl/at_fwd.hpp>
18#include <boost/mpl/set/aux_/has_key_impl.hpp>
19#include <boost/mpl/set/aux_/tag.hpp>
20#include <boost/mpl/if.hpp>
21#include <boost/mpl/void.hpp>
22
23namespace boost { namespace mpl {
24
25template<>
26struct at_impl< aux::set_tag >
27{
28    template< typename Set, typename T > struct apply
29    {
30        typedef typename if_< 
31              has_key_impl<aux::set_tag>::apply<Set,T>
32            , T
33            , void_
34            >::type type;            
35    };
36};
37
38}}
39
40#endif // BOOST_MPL_SET_AUX_AT_IMPL_HPP_INCLUDED