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34 lines
884 B
34 lines
884 B
// 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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