You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 

24 lines
873 B

/*
example/example16.cpp -- automatic upcasting for polymorphic types
Copyright (c) 2016 Wenzel Jakob <wenzel.jakob@epfl.ch>
All rights reserved. Use of this source code is governed by a
BSD-style license that can be found in the LICENSE file.
*/
#include "example.h"
struct BaseClass { virtual ~BaseClass() {} };
struct DerivedClass1 : BaseClass { };
struct DerivedClass2 : BaseClass { };
void init_ex16(py::module &m) {
py::class_<BaseClass>(m, "BaseClass").def(py::init<>());
py::class_<DerivedClass1>(m, "DerivedClass1").def(py::init<>());
py::class_<DerivedClass2>(m, "DerivedClass2").def(py::init<>());
m.def("return_class_1", []() -> BaseClass* { return new DerivedClass1(); });
m.def("return_class_2", []() -> BaseClass* { return new DerivedClass2(); });
m.def("return_none", []() -> BaseClass* { return nullptr; });
}