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support for overriding virtual functions

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This commit is contained in:
Wenzel Jakob
2015-10-01 16:46:03 +02:00
parent 04358b02ed
commit a2f6fde0dc
12 changed files with 222 additions and 91 deletions
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35
example/example5.cpp
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@@ -37,28 +37,6 @@ void dog_bark(const Dog &dog) {
dog.bark();
}
class Example5 {
public:
Example5(py::handle self, int state)
: self(self), state(state) {
cout << "Constructing Example5.." << endl;
}
~Example5() {
cout << "Destructing Example5.." << endl;
}
void callback(int value) {
py::gil_scoped_acquire gil;
cout << "In Example5::callback() " << endl;
py::object method = self.attr("callback");
method.call(state, value);
}
private:
py::handle self;
int state;
};
bool test_callback1(py::object func) {
func.call();
return false;
@@ -69,16 +47,11 @@ int test_callback2(py::object func) {
return result.cast<int>();
}
void test_callback3(Example5 *ex, int value) {
py::gil_scoped_release gil;
ex->callback(value);
}
void test_callback4(const std::function<int(int)> &func) {
void test_callback3(const std::function<int(int)> &func) {
cout << "func(43) = " << func(43)<< std::endl;
}
std::function<int(int)> test_callback5() {
std::function<int(int)> test_callback4() {
return [](int i) { return i+1; };
}
@@ -99,8 +72,4 @@ void init_ex5(py::module &m) {
m.def("test_callback2", &test_callback2);
m.def("test_callback3", &test_callback3);
m.def("test_callback4", &test_callback4);
m.def("test_callback5", &test_callback5);
py::class_<Example5>(m, "Example5")
.def(py::init<py::object, int>());
}