pybind11/pybind11_tests.h at 8fe13b889672ca1db697a9c178349373e55d4014 - pybind11 - Zengtudor's git

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Dean Moldovan c743e1b1b4 Support keyword arguments and generalized unpacking in C++

A Python function can be called with the syntax:
```python
foo(a1, a2, *args, ka=1, kb=2, **kwargs)
```
This commit adds support for the equivalent syntax in C++:
```c++
foo(a1, a2, *args, "ka"_a=1, "kb"_a=2, **kwargs)
```

In addition, generalized unpacking is implemented, as per PEP 448,
which allows calls with multiple * and ** unpacking:
```python
bar(*args1, 99, *args2, 101, **kwargs1, kz=200, **kwargs2)
```
and
```c++
bar(*args1, 99, *args2, 101, **kwargs1, "kz"_a=200, **kwargs2)
```

2016-09-06 16:41:50 +02:00

17 lines

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C++

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 #pragma once
 #include <pybind11/pybind11.h>
 #include <iostream>
 #include <functional>
 #include <list>
 using std::cout;
 using std::endl;
 namespace py = pybind11;
 using namespace pybind11::literals;
 class test_initializer {
 public:
     test_initializer(std::function<void(py::module &)> initializer);
 };