// Copyright David Abrahams 2002. Permission to copy, use,

// modify, sell and distribute this software is granted provided this

// copyright notice appears in all copies. This software is provided

// "as is" without express or implied warranty, and with no claim as

// to its suitability for any purpose.

#include <boost/python/class.hpp>

#include <boost/python/implicit.hpp>

#include <boost/python/module.hpp>

#include "test_class.hpp"

// This test shows that a class can be wrapped "as itself" but also

// acquire a back-reference iff has_back_reference<> is appropriately

// specialized.

using namespace boost::python;

typedef test_class<> X;

typedef test_class<1> Y;

int x_value(X const& x)

{

return x.value();

}

X make_x(int n) { return X(n); }

BOOST_PYTHON_MODULE_INIT(implicit_ext)

{

implicitly_convertible<int,X>();

module("implicit_ext")

.def("x_value", x_value)

.def("make_x", make_x)

.add(

class_<X>("X")

.def_init(args<int>())

.def("value", &X::value)

.def("set", &X::set)

)

.add(

class_<Y>("Y")

.def_init(args<int>())

.def("value", &Y::value)

.def("set", &Y::set)

)

;

implicitly_convertible<X,int>();

}

#include "module_tail.cpp"