| // Copyright David Abrahams 2004. 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) | |
| #ifndef UNWRAP_WRAPPER_DWA2004723_HPP | |
| # define UNWRAP_WRAPPER_DWA2004723_HPP | |
| # include <boost/python/detail/prefix.hpp> | |
| # include <boost/python/detail/is_wrapper.hpp> | |
| # include <boost/mpl/eval_if.hpp> | |
| # include <boost/mpl/identity.hpp> | |
| namespace boost { namespace python { namespace detail { | |
| template <class T> | |
| struct unwrap_wrapper_helper | |
| { | |
| typedef typename T::_wrapper_wrapped_type_ type; | |
| }; | |
| template <class T> | |
| struct unwrap_wrapper_ | |
| : mpl::eval_if<is_wrapper<T>,unwrap_wrapper_helper<T>,mpl::identity<T> > | |
| {}; | |
| template <class T> | |
| typename unwrap_wrapper_<T>::type* | |
| unwrap_wrapper(T*) | |
| { | |
| return 0; | |
| } | |
| }}} // namespace boost::python::detail | |
| #endif // UNWRAP_WRAPPER_DWA2004723_HPP |