pybind/pybind11
1
0
Fork 0
mirror of https://github.com/pybind/pybind11.git synced 2026-07-01 03:47:03 +00:00
Code Issues Packages Projects Releases Wiki Activity

return best representation of polymorphic types (fixes #105)

Browse Source
This commit is contained in:
Wenzel Jakob
2016-04-13 13:45:09 +02:00
parent d40885a1e6
commit d7efa4ff7b
7 changed files with 55 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
example/example16.cpp Normal file
View File

@@ -0,0 +1,24 @@
/*
example/example16.cpp -- automatic upcasting for polymorphic types
Copyright (c) 2015 Wenzel Jakob <wenzel@inf.ethz.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; });
}