| /*============================================================================= |
| Copyright (c) 2001-2006 Joel de Guzman |
| |
| 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) |
| ==============================================================================*/ |
| #if !defined(FUSION_ACCESS_04182005_0737) |
| #define FUSION_ACCESS_04182005_0737 |
| |
| #include <boost/type_traits/add_const.hpp> |
| #include <boost/type_traits/add_reference.hpp> |
| |
| namespace boost { namespace fusion { namespace detail |
| { |
| template <typename T> |
| struct ref_result |
| { |
| typedef typename add_reference<typename T::type>::type type; |
| }; |
| |
| template <typename T> |
| struct cref_result |
| { |
| typedef typename |
| add_reference< |
| typename add_const<typename T::type>::type |
| >::type |
| type; |
| }; |
| |
| template <typename T> |
| struct call_param |
| { |
| typedef T const& type; |
| }; |
| |
| template <typename T> |
| struct call_param<T &> |
| { |
| typedef T& type; |
| }; |
| |
| template <typename T> |
| struct call_param<T const> |
| { |
| typedef T const& type; |
| }; |
| |
| template <typename T> |
| struct call_param<T volatile> |
| { |
| typedef T const& type; |
| }; |
| |
| template <typename T> |
| struct call_param<T const volatile> |
| { |
| typedef T const& type; |
| }; |
| |
| }}} |
| |
| #endif |
| |