/*============================================================================= | |
Copyright (c) 2001-2007 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) | |
==============================================================================*/ | |
#ifndef PHOENIX_OBJECT_CONST_CAST_HPP | |
#define PHOENIX_OBJECT_CONST_CAST_HPP | |
#include <boost/spirit/home/phoenix/core/compose.hpp> | |
namespace boost { namespace phoenix | |
{ | |
namespace impl | |
{ | |
template <typename T> | |
struct const_cast_eval | |
{ | |
template <typename Env, typename U> | |
struct result | |
{ | |
typedef T type; | |
}; | |
template <typename RT, typename Env, typename U> | |
static RT | |
eval(Env const& env, U& obj) | |
{ | |
return const_cast<RT>(obj.eval(env)); | |
} | |
}; | |
} | |
template <typename T, typename U> | |
inline actor<typename as_composite<impl::const_cast_eval<T>, U>::type> | |
const_cast_(U const& obj) | |
{ | |
return compose<impl::const_cast_eval<T> >(obj); | |
} | |
}} | |
#endif |