python/test/bienstman1.cpp at python313 · boostorg/python · GitHub

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// 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)

#include <boost/python/module.hpp>

#include <boost/python/def.hpp>

#include <boost/python/class.hpp>

#include <boost/python/reference_existing_object.hpp>

#include <boost/python/return_value_policy.hpp>

struct A {};

struct V

{

virtual ~V() {}; // silence compiler warningsa

virtual void f() = 0;

const A* inside() {return &a;}

A a;

};

const A* outside(const V& v) {return &v.a;}

BOOST_PYTHON_MODULE(bienstman1_ext)

{

using namespace boost::python;

using boost::shared_ptr;

using boost::python::return_value_policy;

using boost::python::reference_existing_object;

class_<A>("A");

class_<V, boost::noncopyable>("V", no_init)

.def("inside", &V::inside,

return_value_policy<reference_existing_object>())

.def("outside", outside,

return_value_policy<reference_existing_object>())

;

}

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