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35 lines
918 B
C++
35 lines
918 B
C++
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// Copyright David Abrahams 2004. Distributed under the Boost
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// Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#ifndef UNWRAP_WRAPPER_DWA2004723_HPP
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# define UNWRAP_WRAPPER_DWA2004723_HPP
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# include <boost/python/detail/prefix.hpp>
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# include <boost/python/detail/is_wrapper.hpp>
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# include <boost/mpl/eval_if.hpp>
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# include <boost/mpl/identity.hpp>
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namespace boost { namespace python { namespace detail {
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template <class T>
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struct unwrap_wrapper_helper
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{
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typedef typename T::_wrapper_wrapped_type_ type;
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};
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template <class T>
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struct unwrap_wrapper_
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: mpl::eval_if<is_wrapper<T>,unwrap_wrapper_helper<T>,mpl::identity<T> >
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{};
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template <class T>
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typename unwrap_wrapper_<T>::type*
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unwrap_wrapper(T*)
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{
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return 0;
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}
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}}} // namespace boost::python::detail
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#endif // UNWRAP_WRAPPER_DWA2004723_HPP
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