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// BSD 3-Clause License; see https://github.com/scikit-hep/awkward/blob/main/LICENSE


#ifndef AWKWARDPY_UTIL_H_

#define AWKWARDPY_UTIL_H_


#include <pybind11/pybind11.h>

#include <pybind11/numpy.h>


template<typename T>


class pyobject_deleter {

public:


  pyobject_deleter(PyObject *pyobj): pyobj_(pyobj) {

    Py_INCREF(pyobj_);

  }


  void operator()(T const * /* p */) {

    Py_DECREF(pyobj_);

  }


private:

  PyObject* pyobj_;

};


#endif // AWKWARDPY_UTIL_H_

pyobject_deleter
Used as a std::shared_ptr deleter (second argument) to overload delete ptr with Py_DECREF(ptr).
Definition util.h:26

pyobject_deleter::operator()
void operator()(T const *)
Called by std::shared_ptr when its reference count reaches zero.
Definition util.h:34

pyobject_deleter::pyobject_deleter
pyobject_deleter(PyObject *pyobj)
Creates a pyobject_deleter and calls Py_INCREF(ptr).
Definition util.h:29