// 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