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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@7593 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
44 lines
1.1 KiB
C++
44 lines
1.1 KiB
C++
// Copyright David Abrahams 2002.
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef COPY_CONST_REFERENCE_DWA2002131_HPP
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# define COPY_CONST_REFERENCE_DWA2002131_HPP
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# include <boost/python/detail/prefix.hpp>
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# include <boost/python/detail/indirect_traits.hpp>
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# include <boost/mpl/if.hpp>
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# include <boost/python/to_python_value.hpp>
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namespace boost { namespace python {
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namespace detail
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{
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template <class R>
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struct copy_const_reference_expects_a_const_reference_return_type
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# if defined(__GNUC__) || defined(__EDG__)
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{}
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# endif
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;
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}
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template <class T> struct to_python_value;
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struct copy_const_reference
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{
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template <class T>
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struct apply
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{
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typedef typename mpl::if_c<
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indirect_traits::is_reference_to_const<T>::value
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, to_python_value<T>
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, detail::copy_const_reference_expects_a_const_reference_return_type<T>
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>::type type;
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};
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};
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}} // namespace boost::python
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#endif // COPY_CONST_REFERENCE_DWA2002131_HPP
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