#ifndef Py_SETOBJECT_H

#define Py_SETOBJECT_H

#ifdef __cplusplus

extern "C" {

#ifndef Py_LIMITED_API

#define PySet_MINSIZE 8

typedef struct {

PyObject *key;

Py_hash_t hash; /* Cached hash code of the key */

} setentry;

typedef struct {

PyObject_HEAD

Py_ssize_t fill; /* Number active and dummy entries*/

Py_ssize_t used; /* Number active entries */

/* The table contains mask + 1 slots, and that's a power of 2.

Py_ssize_t mask;

/* The table points to a fixed-size smalltable for small tables

setentry *table;

Py_hash_t hash; /* Only used by frozenset objects */

Py_ssize_t finger; /* Search finger for pop() */

setentry smalltable[PySet_MINSIZE];

PyObject *weakreflist; /* List of weak references */

} PySetObject;

#define PySet_GET_SIZE(so) (assert(PyAnySet_Check(so)),(((PySetObject *)(so))->used))

PyAPI_DATA(PyObject *) _PySet_Dummy;

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

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

#endif /* Section excluded by Py_LIMITED_API */

PyAPI_DATA(PyTypeObject) PySet_Type;

PyAPI_DATA(PyTypeObject) PyFrozenSet_Type;

PyAPI_DATA(PyTypeObject) PySetIter_Type;

PyAPI_FUNC(PyObject *) PySet_New(PyObject *);

PyAPI_FUNC(PyObject *) PyFrozenSet_New(PyObject *);

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

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(PyObject *) PySet_Pop(PyObject *set);

PyAPI_FUNC(Py_ssize_t) PySet_Size(PyObject *anyset);

#define PyFrozenSet_CheckExact(ob) Py_IS_TYPE(ob, &PyFrozenSet_Type)

#define PyAnySet_CheckExact(ob) \

(Py_IS_TYPE(ob, &PySet_Type) || Py_IS_TYPE(ob, &PyFrozenSet_Type))

#define PyAnySet_Check(ob) \

(Py_IS_TYPE(ob, &PySet_Type) || Py_IS_TYPE(ob, &PyFrozenSet_Type) || \

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

PyType_IsSubtype(Py_TYPE(ob), &PyFrozenSet_Type))

#define PySet_Check(ob) \

(Py_IS_TYPE(ob, &PySet_Type) || \

PyType_IsSubtype(Py_TYPE(ob), &PySet_Type))

#define PyFrozenSet_Check(ob) \

(Py_IS_TYPE(ob, &PyFrozenSet_Type) || \

PyType_IsSubtype(Py_TYPE(ob), &PyFrozenSet_Type))

#ifdef __cplusplus

}

#endif /* !Py_SETOBJECT_H */