2012-05-10 00:45:30 -04:00
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#ifndef BOOST_MPL_SET_AUX_INSERT_IMPL_HPP_INCLUDED
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#define BOOST_MPL_SET_AUX_INSERT_IMPL_HPP_INCLUDED
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// Copyright Aleksey Gurtovoy 2003-2007
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// Copyright David Abrahams 2003-2004
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/mpl for documentation.
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// $Id: insert_impl.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
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2013-01-13 17:38:19 -05:00
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// $Date: 2008-10-10 23:19:02 -0700 (Fri, 10 Oct 2008) $
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2012-05-10 00:45:30 -04:00
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// $Revision: 49267 $
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#include <boost/mpl/insert_fwd.hpp>
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#include <boost/mpl/set/aux_/has_key_impl.hpp>
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#include <boost/mpl/set/aux_/item.hpp>
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#include <boost/mpl/set/aux_/tag.hpp>
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#include <boost/mpl/identity.hpp>
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#include <boost/mpl/base.hpp>
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#include <boost/mpl/eval_if.hpp>
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#include <boost/mpl/aux_/na.hpp>
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#include <boost/type_traits/is_same.hpp>
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namespace boost { namespace mpl {
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namespace aux {
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template< typename Set, typename T > struct set_insert_impl
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: eval_if<
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has_key_impl<aux::set_tag>::apply<Set,T>
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, identity<Set>
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, eval_if<
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is_same< T,typename Set::last_masked_ >
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, base<Set>
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, identity< s_item<T,typename Set::item_> >
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>
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>
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{
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};
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}
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template<>
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struct insert_impl< aux::set_tag >
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{
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template<
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typename Set
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, typename PosOrKey
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, typename KeyOrNA
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>
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struct apply
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: aux::set_insert_impl<
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Set
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, typename if_na<KeyOrNA,PosOrKey>::type
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>
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{
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};
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};
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}}
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#endif // BOOST_MPL_SET_AUX_INSERT_IMPL_HPP_INCLUDED
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