43 lines
1.2 KiB
C++
43 lines
1.2 KiB
C++
/*=============================================================================
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Copyright (c) 2001-2007 Joel de Guzman
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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==============================================================================*/
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#ifndef PHOENIX_OBJECT_STATIC_CAST_HPP
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#define PHOENIX_OBJECT_STATIC_CAST_HPP
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#include <boost/spirit/home/phoenix/core/compose.hpp>
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namespace boost { namespace phoenix
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{
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namespace impl
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{
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template <typename T>
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struct static_cast_eval
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{
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template <typename Env, typename U>
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struct result
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{
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typedef T type;
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};
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template <typename RT, typename Env, typename U>
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static RT
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eval(Env const& env, U& obj)
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{
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return static_cast<RT>(obj.eval(env));
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}
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};
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}
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template <typename T, typename U>
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inline actor<typename as_composite<impl::static_cast_eval<T>, U>::type>
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static_cast_(U const& obj)
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{
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return compose<impl::static_cast_eval<T> >(obj);
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}
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}}
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#endif
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