WSJT-X/boost/python/detail/unwrap_wrapper.hpp
Bill Somerville 4ebe6417a5 Squashed 'boost/' content from commit b4feb19f2
git-subtree-dir: boost
git-subtree-split: b4feb19f287ee92d87a9624b5d36b7cf46aeadeb
2018-06-09 21:48:32 +01:00

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C++

// 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