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git-svn-id: svn://bind10.isc.org/svn/bind10/branches/f2f200910@210 e5f2f494-b856-4b98-b285-d166d9295462
44 lines
1.0 KiB
C++
44 lines
1.0 KiB
C++
#ifndef INDIRECT_REFERENCE_DWA200415_HPP
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# define INDIRECT_REFERENCE_DWA200415_HPP
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//
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// Copyright David Abrahams 2004. Use, modification and distribution is
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// subject to the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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// typename indirect_reference<P>::type provides the type of *p.
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//
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// http://www.boost.org/libs/iterator/doc/pointee.html
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//
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# include <boost/detail/is_incrementable.hpp>
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# include <boost/iterator/iterator_traits.hpp>
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# include <boost/type_traits/remove_cv.hpp>
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# include <boost/mpl/eval_if.hpp>
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# include <boost/pointee.hpp>
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namespace boost {
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namespace detail
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{
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template <class P>
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struct smart_ptr_reference
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{
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typedef typename boost::pointee<P>::type& type;
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};
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}
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template <class P>
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struct indirect_reference
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: mpl::eval_if<
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detail::is_incrementable<P>
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, iterator_reference<P>
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, detail::smart_ptr_reference<P>
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>
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{
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};
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} // namespace boost
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#endif // INDIRECT_REFERENCE_DWA200415_HPP
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