1 /*=============================================================================
2 Copyright (c) 2001-2007 Joel de Guzman
4 Distributed under the Boost Software License, Version 1.0. (See accompanying
5 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6 ==============================================================================*/
7 #ifndef PHOENIX_OBJECT_DYNAMIC_CAST_HPP
8 #define PHOENIX_OBJECT_DYNAMIC_CAST_HPP
10 #include <boost/spirit/home/phoenix/core/compose.hpp>
12 namespace boost { namespace phoenix
17 struct dynamic_cast_eval
19 template <typename Env, typename U>
25 template <typename RT, typename Env, typename U>
27 eval(Env const& env, U& obj)
29 return dynamic_cast<RT>(obj.eval(env));
34 template <typename T, typename U>
35 inline actor<typename as_composite<impl::dynamic_cast_eval<T>, U>::type>
36 dynamic_cast_(U const& obj)
38 return compose<impl::dynamic_cast_eval<T> >(obj);