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- #ifndef BOOST_MPL_AUX_TYPE_WRAPPER_HPP_INCLUDED
- #define BOOST_MPL_AUX_TYPE_WRAPPER_HPP_INCLUDED
- // Copyright Aleksey Gurtovoy 2000-2004
- // Copyright Peter Dimov 2000-2003
- //
- // 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)
- //
- // See http://www.boost.org/libs/mpl for documentation.
- // $Id$
- // $Date$
- // $Revision$
- #include <boost/mpl/aux_/config/ctps.hpp>
- namespace boost { namespace mpl { namespace aux {
- template< typename T > struct type_wrapper
- {
- typedef T type;
- };
- #if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
- // agurt 08/may/03: a complicated way to extract the wrapped type; need it
- // mostly for the sake of GCC (3.2.x), which ICEs if you try to extract the
- // nested 'type' from 'type_wrapper<T>' when the latter was the result of a
- // 'typeof' expression
- template< typename T > struct wrapped_type;
- template< typename T > struct wrapped_type< type_wrapper<T> >
- {
- typedef T type;
- };
- #else
- template< typename W > struct wrapped_type
- {
- typedef typename W::type type;
- };
- #endif
- }}}
- #endif // BOOST_MPL_AUX_TYPE_WRAPPER_HPP_INCLUDED
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