[857] | 1 |
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| 2 | #ifndef BOOST_MPL_SET_AUX_INSERT_IMPL_HPP_INCLUDED
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| 3 | #define BOOST_MPL_SET_AUX_INSERT_IMPL_HPP_INCLUDED
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| 4 |
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| 5 | // Copyright Aleksey Gurtovoy 2003-2004
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| 6 | // Copyright David Abrahams 2003-2004
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| 7 | //
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| 8 | // Distributed under the Boost Software License, Version 1.0.
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| 9 | // (See accompanying file LICENSE_1_0.txt or copy at
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| 10 | // http://www.boost.org/LICENSE_1_0.txt)
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| 11 | //
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| 12 | // See http://www.boost.org/libs/mpl for documentation.
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| 13 |
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| 14 | // $Source: /cvsroot/boost/boost/boost/mpl/set/aux_/insert_impl.hpp,v $
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| 15 | // $Date: 2004/09/05 09:42:59 $
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| 16 | // $Revision: 1.4 $
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| 17 |
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| 18 | #include <boost/mpl/insert_fwd.hpp>
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| 19 | #include <boost/mpl/set/aux_/has_key_impl.hpp>
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| 20 | #include <boost/mpl/set/aux_/item.hpp>
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| 21 | #include <boost/mpl/set/aux_/tag.hpp>
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| 22 | #include <boost/mpl/identity.hpp>
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| 23 | #include <boost/mpl/base.hpp>
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| 24 | #include <boost/mpl/eval_if.hpp>
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| 25 | #include <boost/mpl/aux_/na.hpp>
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| 26 |
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| 27 | #include <boost/type_traits/is_same.hpp>
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| 28 |
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| 29 | namespace boost { namespace mpl {
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| 30 |
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| 31 | namespace aux {
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| 32 | template< typename Set, typename T > struct set_insert_impl
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| 33 | : eval_if<
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| 34 | has_key_impl<aux::set_tag>::apply<Set,T>
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| 35 | , identity<Set>
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| 36 | , eval_if<
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| 37 | is_same< T,typename Set::last_masked_ >
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| 38 | , base<Set>
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| 39 | , identity< s_item<T,Set> >
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| 40 | >
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| 41 | >
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| 42 | {
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| 43 | };
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| 44 | }
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| 45 |
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| 46 | template<>
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| 47 | struct insert_impl< aux::set_tag >
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| 48 | {
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| 49 | template<
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| 50 | typename Set
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| 51 | , typename PosOrKey
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| 52 | , typename KeyOrNA
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| 53 | >
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| 54 | struct apply
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| 55 | : aux::set_insert_impl<
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| 56 | Set
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| 57 | , typename if_na<KeyOrNA,PosOrKey>::type
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| 58 | >
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| 59 | {
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| 60 | };
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| 61 | };
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| 62 |
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| 63 | }}
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| 64 |
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| 65 | #endif // BOOST_MPL_SET_AUX_INSERT_IMPL_HPP_INCLUDED
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