#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: type_wrapper.hpp 49267 2008-10-11 06:19:02Z agurtovoy $ | |
// $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $ | |
// $Revision: 49267 $ | |
#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 |