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// Copyright Daniel Wallin 2006. Use, modification and distribution is
// subject to 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)
#ifndef BOOST_PARAMETER_SET_060912_HPP
# define BOOST_PARAMETER_SET_060912_HPP
# include <boost/detail/workaround.hpp>
# if !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564)) \
&& !BOOST_WORKAROUND(__GNUC__, < 3)
# include <boost/mpl/insert.hpp>
# include <boost/mpl/set/set0.hpp>
# include <boost/mpl/has_key.hpp>
namespace boost { namespace parameter { namespace aux {
typedef mpl::set0<> set0;
template <class Set, class K>
struct insert_
{
typedef typename mpl::insert<Set, K>::type type;
};
template <class Set, class K>
struct has_key_
{
typedef typename mpl::has_key<Set, K>::type type;
};
}}} // namespace boost::parameter::aux
# else
# include <boost/mpl/list.hpp>
# include <boost/mpl/end.hpp>
# include <boost/mpl/find.hpp>
# include <boost/mpl/not.hpp>
# include <boost/mpl/push_front.hpp>
namespace boost { namespace parameter { namespace aux {
typedef mpl::list0<> set0;
template <class Set, class K>
struct insert_
{
typedef typename mpl::push_front<Set, K>::type type;
};
template <class Set, class K>
struct has_key_
{
typedef typename mpl::find<Set, K>::type iter;
typedef mpl::not_<
is_same<iter, typename mpl::end<Set>::type>
> type;
};
}}} // namespace boost::parameter::aux
# endif
#endif // BOOST_PARAMETER_SET_060912_HPP
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