epoc32/include/stdapis/boost/mpl/set/aux_/insert_impl.hpp
author William Roberts <williamr@symbian.org>
Wed, 31 Mar 2010 12:27:01 +0100
branchSymbian2
changeset 3 e1b950c65cb4
permissions -rw-r--r--
Attempt to represent the S^2->S^3 header reorganisation as a series of "hg rename" operations
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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 2003-2004
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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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// $Source: /cvsroot/boost/boost/boost/mpl/set/aux_/insert_impl.hpp,v $
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// $Date: 2004/09/05 09:42:59 $
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// $Revision: 1.4 $
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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,Set> >
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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