2 #ifndef BOOST_MPL_MULTISET_AUX_COUNT_IMPL_HPP_INCLUDED
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3 #define BOOST_MPL_MULTISET_AUX_COUNT_IMPL_HPP_INCLUDED
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5 // Copyright Aleksey Gurtovoy 2003-2004
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7 // Distributed under the Boost Software License, Version 1.0.
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8 // (See accompanying file LICENSE_1_0.txt or copy at
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9 // http://www.boost.org/LICENSE_1_0.txt)
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11 // See http://www.boost.org/libs/mpl for documentation.
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13 // $Id: count_impl.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
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14 // $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $
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15 // $Revision: 49267 $
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17 #include <boost/mpl/multiset/aux_/tag.hpp>
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18 #include <boost/mpl/count_fwd.hpp>
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19 #include <boost/mpl/int.hpp>
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20 #include <boost/mpl/aux_/type_wrapper.hpp>
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21 #include <boost/mpl/aux_/static_cast.hpp>
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22 #include <boost/mpl/aux_/config/static_constant.hpp>
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23 #include <boost/mpl/aux_/config/workaround.hpp>
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24 #include <boost/mpl/aux_/config/msvc.hpp>
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26 #if BOOST_WORKAROUND(BOOST_MSVC, <= 1300)
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27 # include <boost/mpl/if.hpp>
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28 # include <boost/type_traits/is_reference.hpp>
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31 namespace boost { namespace mpl {
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33 #if BOOST_WORKAROUND(BOOST_MSVC, <= 1300)
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36 template< typename S, typename U >
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37 struct multiset_count_impl
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38 : int_< sizeof(S::key_count(BOOST_MPL_AUX_STATIC_CAST(U*,0))) - 1 >
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42 template< typename S, typename U >
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43 struct multiset_count_ref_impl
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46 typedef int_< sizeof(S::ref_key_count(BOOST_MPL_AUX_STATIC_CAST(u_,0))) - 1 > type_;
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47 BOOST_STATIC_CONSTANT(int, value = type_::value);
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53 struct count_impl< aux::multiset_tag >
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55 template< typename Set, typename Key > struct apply
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58 , aux::multiset_count_ref_impl<Set,Key>
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59 , aux::multiset_count_impl<Set,Key>
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68 struct count_impl< aux::multiset_tag >
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70 template< typename Set, typename Key > struct apply
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72 enum { msvc71_wknd_ = sizeof(Set::key_count(BOOST_MPL_AUX_STATIC_CAST(aux::type_wrapper<Key>*,0))) - 1 };
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73 typedef int_< msvc71_wknd_ > type;
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74 BOOST_STATIC_CONSTANT(int, value = msvc71_wknd_);
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78 #endif // BOOST_WORKAROUND(BOOST_MSVC, <= 1300)
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82 #endif // BOOST_MPL_MULTISET_AUX_COUNT_IMPL_HPP_INCLUDED
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