WSJT-X/boost/boost/indirect_reference.hpp
Bill Somerville 124f5863ac bringing boost_1_63_0 into the wsjtx branch
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@7584 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2017-02-28 00:58:28 +00:00

44 lines
1.1 KiB
C++

#ifndef INDIRECT_REFERENCE_DWA200415_HPP
# define INDIRECT_REFERENCE_DWA200415_HPP
//
// Copyright David Abrahams 2004. 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)
//
// typename indirect_reference<P>::type provides the type of *p.
//
// http://www.boost.org/libs/iterator/doc/pointee.html
//
# include <boost/detail/is_incrementable.hpp>
# include <boost/iterator/iterator_traits.hpp>
# include <boost/type_traits/remove_cv.hpp>
# include <boost/mpl/eval_if.hpp>
# include <boost/pointee.hpp>
namespace boost {
namespace detail
{
template <class P>
struct smart_ptr_reference
{
typedef typename boost::pointee<P>::type& type;
};
}
template <class P>
struct indirect_reference
: mpl::eval_if<
detail::is_incrementable<P>
, iterator_reference<P>
, detail::smart_ptr_reference<P>
>
{
};
} // namespace boost
#endif // INDIRECT_REFERENCE_DWA200415_HPP