

#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.



// $Source$

// $Date: 2004-09-28 09:56:59 -0400 (Tue, 28 Sep 2004) $

// $Revision: 25453 $



#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

