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Diffstat (limited to 'ext/boost/indirect_reference.hpp')
| -rw-r--r-- | ext/boost/indirect_reference.hpp | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/ext/boost/indirect_reference.hpp b/ext/boost/indirect_reference.hpp new file mode 100644 index 0000000000..5fbb342319 --- /dev/null +++ b/ext/boost/indirect_reference.hpp @@ -0,0 +1,43 @@ +#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 |