68 lines
1.3 KiB
C++
68 lines
1.3 KiB
C++
#ifndef PTR_DWA20020601_HPP
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# define PTR_DWA20020601_HPP
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# include <boost/python/detail/prefix.hpp>
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// 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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//
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// Based on boost/ref.hpp, thus:
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// Copyright (C) 1999, 2000 Jaakko Jarvi (jaakko.jarvi@cs.utu.fi)
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// Copyright (C) 2001 Peter Dimov
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# pragma once
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# include <boost/config.hpp>
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# include <boost/mpl/bool.hpp>
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namespace boost { namespace python {
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template<class Ptr> class pointer_wrapper
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{
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public:
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typedef Ptr type;
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explicit pointer_wrapper(Ptr x): p_(x) {}
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operator Ptr() const { return p_; }
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Ptr get() const { return p_; }
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private:
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Ptr p_;
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};
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template<class T>
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inline pointer_wrapper<T> ptr(T t)
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{
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return pointer_wrapper<T>(t);
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}
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template<typename T>
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class is_pointer_wrapper
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: public mpl::false_
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{
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};
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template<typename T>
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class is_pointer_wrapper<pointer_wrapper<T> >
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: public mpl::true_
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{
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};
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template<typename T>
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class unwrap_pointer
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{
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public:
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typedef T type;
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};
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template<typename T>
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class unwrap_pointer<pointer_wrapper<T> >
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{
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public:
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typedef T type;
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};
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}} // namespace boost::python
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#endif // #ifndef PTR_DWA20020601_HPP
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