ref: d7613e356c55a3b7a1140a1f6d8aa6dca43b9d97
dir: /sys/src/cmd/python/Include/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.
*/
typedef struct {
PyObject_HEAD
PyObject *start, *stop, *step; /* not NULL */
} PySliceObject;
PyAPI_DATA(PyTypeObject) PySlice_Type;
#define PySlice_Check(op) ((op)->ob_type == &PySlice_Type)
PyAPI_FUNC(PyObject *) PySlice_New(PyObject* start, PyObject* stop,
PyObject* step);
PyAPI_FUNC(PyObject *) _PySlice_FromIndices(Py_ssize_t start, Py_ssize_t stop);
PyAPI_FUNC(int) PySlice_GetIndices(PySliceObject *r, Py_ssize_t length,
Py_ssize_t *start, Py_ssize_t *stop, Py_ssize_t *step);
PyAPI_FUNC(int) PySlice_GetIndicesEx(PySliceObject *r, Py_ssize_t length,
Py_ssize_t *start, Py_ssize_t *stop,
Py_ssize_t *step, Py_ssize_t *slicelength);
#ifdef __cplusplus
}
#endif
#endif /* !Py_SLICEOBJECT_H */