2 #ifndef BOOST_MPL_AUX_TYPE_WRAPPER_HPP_INCLUDED
3 #define BOOST_MPL_AUX_TYPE_WRAPPER_HPP_INCLUDED
5 // Copyright Aleksey Gurtovoy 2000-2004
6 // Copyright Peter Dimov 2000-2003
8 // Distributed under the Boost Software License, Version 1.0.
9 // (See accompanying file LICENSE_1_0.txt or copy at
10 // http://www.boost.org/LICENSE_1_0.txt)
12 // See http://www.boost.org/libs/mpl for documentation.
18 #include <boost/mpl/aux_/config/ctps.hpp>
20 namespace boost { namespace mpl { namespace aux {
22 template< typename T > struct type_wrapper
27 #if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
28 // agurt 08/may/03: a complicated way to extract the wrapped type; need it
29 // mostly for the sake of GCC (3.2.x), which ICEs if you try to extract the
30 // nested 'type' from 'type_wrapper<T>' when the latter was the result of a
31 // 'typeof' expression
32 template< typename T > struct wrapped_type;
34 template< typename T > struct wrapped_type< type_wrapper<T> >
39 template< typename W > struct wrapped_type
41 typedef typename W::type type;
47 #endif // BOOST_MPL_AUX_TYPE_WRAPPER_HPP_INCLUDED