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24 lines
871 B
24 lines
871 B
/*
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example/example16.cpp -- automatic upcasting for polymorphic types
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Copyright (c) 2015 Wenzel Jakob <wenzel@inf.ethz.ch>
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All rights reserved. Use of this source code is governed by a
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BSD-style license that can be found in the LICENSE file.
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*/
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#include "example.h"
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struct BaseClass { virtual ~BaseClass() {} };
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struct DerivedClass1 : BaseClass { };
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struct DerivedClass2 : BaseClass { };
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void init_ex16(py::module &m) {
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py::class_<BaseClass>(m, "BaseClass").def(py::init<>());
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py::class_<DerivedClass1>(m, "DerivedClass1").def(py::init<>());
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py::class_<DerivedClass2>(m, "DerivedClass2").def(py::init<>());
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m.def("return_class_1", []() -> BaseClass* { return new DerivedClass1(); });
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m.def("return_class_2", []() -> BaseClass* { return new DerivedClass2(); });
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m.def("return_none", []() -> BaseClass* { return nullptr; });
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}
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