| // 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 |