#ifndef BOOST_MPL_MULTISET_AUX_COUNT_IMPL_HPP_INCLUDED | |
#define BOOST_MPL_MULTISET_AUX_COUNT_IMPL_HPP_INCLUDED | |
// Copyright Aleksey Gurtovoy 2003-2004 | |
// | |
// Distributed under the Boost Software License, Version 1.0. | |
// (See accompanying file LICENSE_1_0.txt or copy at | |
// http://www.boost.org/LICENSE_1_0.txt) | |
// | |
// See http://www.boost.org/libs/mpl for documentation. | |
// $Id: count_impl.hpp 49267 2008-10-11 06:19:02Z agurtovoy $ | |
// $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $ | |
// $Revision: 49267 $ | |
#include <boost/mpl/multiset/aux_/tag.hpp> | |
#include <boost/mpl/count_fwd.hpp> | |
#include <boost/mpl/int.hpp> | |
#include <boost/mpl/aux_/type_wrapper.hpp> | |
#include <boost/mpl/aux_/static_cast.hpp> | |
#include <boost/mpl/aux_/config/static_constant.hpp> | |
#include <boost/mpl/aux_/config/workaround.hpp> | |
#include <boost/mpl/aux_/config/msvc.hpp> | |
#if BOOST_WORKAROUND(BOOST_MSVC, <= 1300) | |
# include <boost/mpl/if.hpp> | |
# include <boost/type_traits/is_reference.hpp> | |
#endif | |
namespace boost { namespace mpl { | |
#if BOOST_WORKAROUND(BOOST_MSVC, <= 1300) | |
namespace aux { | |
template< typename S, typename U > | |
struct multiset_count_impl | |
: int_< sizeof(S::key_count(BOOST_MPL_AUX_STATIC_CAST(U*,0))) - 1 > | |
{ | |
}; | |
template< typename S, typename U > | |
struct multiset_count_ref_impl | |
{ | |
typedef U (* u_)(); | |
typedef int_< sizeof(S::ref_key_count(BOOST_MPL_AUX_STATIC_CAST(u_,0))) - 1 > type_; | |
BOOST_STATIC_CONSTANT(int, value = type_::value); | |
typedef type_ type; | |
}; | |
} | |
template<> | |
struct count_impl< aux::multiset_tag > | |
{ | |
template< typename Set, typename Key > struct apply | |
: if_< | |
is_reference<Key> | |
, aux::multiset_count_ref_impl<Set,Key> | |
, aux::multiset_count_impl<Set,Key> | |
>::type | |
{ | |
}; | |
}; | |
#else | |
template<> | |
struct count_impl< aux::multiset_tag > | |
{ | |
template< typename Set, typename Key > struct apply | |
{ | |
enum { msvc71_wknd_ = sizeof(Set::key_count(BOOST_MPL_AUX_STATIC_CAST(aux::type_wrapper<Key>*,0))) - 1 }; | |
typedef int_< msvc71_wknd_ > type; | |
BOOST_STATIC_CONSTANT(int, value = msvc71_wknd_); | |
}; | |
}; | |
#endif // BOOST_WORKAROUND(BOOST_MSVC, <= 1300) | |
}} | |
#endif // BOOST_MPL_MULTISET_AUX_COUNT_IMPL_HPP_INCLUDED |