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EDIT :: sliceobject.h

#ifndef Py_SLICEOBJECT_H #define Py_SLICEOBJECT_H #ifdef __cplusplus extern "C" { #endif /* The unique ellipsis object "..." */ PyAPI_DATA(PyObject) _Py_EllipsisObject; /* Don't use this directly */ #define Py_Ellipsis (&_Py_EllipsisObject) /* Slice object interface */ /* A slice object containing start, stop, and step data members (the names are from range). After much talk with Guido, it was decided to let these be any arbitrary python type. Py_None stands for omitted values. */ #ifndef Py_LIMITED_API typedef struct { PyObject_HEAD PyObject *start, *stop, *step; /* not NULL */ } PySliceObject; #endif PyAPI_DATA(PyTypeObject) PySlice_Type; PyAPI_DATA(PyTypeObject) PyEllipsis_Type; #define PySlice_Check(op) (Py_TYPE(op) == &PySlice_Type) PyAPI_FUNC(PyObject *) PySlice_New(PyObject* start, PyObject* stop, PyObject* step); #ifndef Py_LIMITED_API PyAPI_FUNC(PyObject *) _PySlice_FromIndices(Py_ssize_t start, Py_ssize_t stop); PyAPI_FUNC(int) _PySlice_GetLongIndices(PySliceObject *self, PyObject *length, PyObject **start_ptr, PyObject **stop_ptr, PyObject **step_ptr); #endif PyAPI_FUNC(int) PySlice_GetIndices(PyObject *r, Py_ssize_t length, Py_ssize_t *start, Py_ssize_t *stop, Py_ssize_t *step); Py_DEPRECATED(3.7) PyAPI_FUNC(int) PySlice_GetIndicesEx(PyObject *r, Py_ssize_t length, Py_ssize_t *start, Py_ssize_t *stop, Py_ssize_t *step, Py_ssize_t *slicelength); #if !defined(Py_LIMITED_API) || (Py_LIMITED_API+0 >= 0x03050400 && Py_LIMITED_API+0 < 0x03060000) || Py_LIMITED_API+0 >= 0x03060100 #define PySlice_GetIndicesEx(slice, length, start, stop, step, slicelen) ( \ PySlice_Unpack((slice), (start), (stop), (step)) < 0 ? \ ((*(slicelen) = 0), -1) : \ ((*(slicelen) = PySlice_AdjustIndices((length), (start), (stop), *(step))), \ 0)) PyAPI_FUNC(int) PySlice_Unpack(PyObject *slice, Py_ssize_t *start, Py_ssize_t *stop, Py_ssize_t *step); PyAPI_FUNC(Py_ssize_t) PySlice_AdjustIndices(Py_ssize_t length, Py_ssize_t *start, Py_ssize_t *stop, Py_ssize_t step); #endif #ifdef __cplusplus } #endif #endif /* !Py_SLICEOBJECT_H */

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