#ifndef Py_SETOBJECT_H

#define Py_SETOBJECT_H

#ifdef __cplusplus

extern "C" {

#define PySet_MINSIZE 8

typedef struct {

long hash; /* cached hash code for the entry key */

PyObject *key;

} setentry;

typedef struct _setobject PySetObject;

struct _setobject {

};

PyAPI_DATA(PyTypeObject) PySet_Type;

PyAPI_DATA(PyTypeObject) PyFrozenSet_Type;

#define PyFrozenSet_CheckExact(ob) (Py_TYPE(ob) == &PyFrozenSet_Type)

#define PyAnySet_CheckExact(ob) \

(Py_TYPE(ob) == &PySet_Type || Py_TYPE(ob) == &PyFrozenSet_Type)

#define PyAnySet_Check(ob) \

(Py_TYPE(ob) == &PySet_Type || Py_TYPE(ob) == &PyFrozenSet_Type || \

PyType_IsSubtype(Py_TYPE(ob), &PySet_Type) || \

PyType_IsSubtype(Py_TYPE(ob), &PyFrozenSet_Type))

#define PySet_Check(ob) \

(Py_TYPE(ob) == &PySet_Type || \

PyType_IsSubtype(Py_TYPE(ob), &PySet_Type))

#define PyFrozenSet_Check(ob) \

(Py_TYPE(ob) == &PyFrozenSet_Type || \

PyType_IsSubtype(Py_TYPE(ob), &PyFrozenSet_Type))

PyAPI_FUNC(PyObject *) PySet_New(PyObject *);

PyAPI_FUNC(PyObject *) PyFrozenSet_New(PyObject *);

PyAPI_FUNC(Py_ssize_t) PySet_Size(PyObject *anyset);

#define PySet_GET_SIZE(so) (((PySetObject *)(so))->used)

PyAPI_FUNC(int) PySet_Clear(PyObject *set);

PyAPI_FUNC(int) PySet_Contains(PyObject *anyset, PyObject *key);

PyAPI_FUNC(int) PySet_Discard(PyObject *set, PyObject *key);

PyAPI_FUNC(int) PySet_Add(PyObject *set, PyObject *key);

PyAPI_FUNC(int) _PySet_Next(PyObject *set, Py_ssize_t *pos, PyObject **key);

PyAPI_FUNC(int) _PySet_NextEntry(PyObject *set, Py_ssize_t *pos, PyObject **key, long *hash);

PyAPI_FUNC(PyObject *) PySet_Pop(PyObject *set);

PyAPI_FUNC(int) _PySet_Update(PyObject *set, PyObject *iterable);

#ifdef __cplusplus

}

#endif /* !Py_SETOBJECT_H */