1 // Copyright David Abrahams 2002.
2 // Distributed under the Boost Software License, Version 1.0. (See
3 // accompanying file LICENSE_1_0.txt or copy at
4 // http://www.boost.org/LICENSE_1_0.txt)
5 #include <boost/python/class.hpp>
6 #include <boost/python/implicit.hpp>
7 #include <boost/python/module.hpp>
8 #include <boost/python/def.hpp>
9 #include "test_class.hpp"
10 
11 using namespace boost::python;
12 
13 typedef test_class<> X;
14 
x_value(X const & x)15 int x_value(X const& x)
16 {
17     return x.value();
18 }
19 
make_x(int n)20 X make_x(int n) { return X(n); }
21 
22 
23 // foo/bar -- a regression for a vc7 bug workaround
24 struct bar {};
25 struct foo
26 {
~foofoo27     virtual ~foo() {}; // silence compiler warnings
28     virtual void f() = 0;
operator barfoo29     operator bar() const { return bar(); }
30 };
31 
BOOST_PYTHON_MODULE(implicit_ext)32 BOOST_PYTHON_MODULE(implicit_ext)
33 {
34     implicitly_convertible<foo,bar>();
35     implicitly_convertible<int,X>();
36 
37     def("x_value", x_value);
38     def("make_x", make_x);
39 
40     class_<X>("X", init<int>())
41         .def("value", &X::value)
42         .def("set", &X::set)
43         ;
44 
45     implicitly_convertible<X,int>();
46 }
47 
48 #include "module_tail.cpp"
49