#ifndef Py_CPYTHON_SETOBJECT_H

# error "this header file must not be included directly"

#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_CAST(so) \

(assert(PyAnySet_Check(so)), _Py_CAST(PySetObject*, so))

static inline Py_ssize_t PySet_GET_SIZE(PyObject *so) {

#ifdef Py_GIL_DISABLED

return _Py_atomic_load_ssize_relaxed(&(_PySet_CAST(so)->used));

return _PySet_CAST(so)->used;

}

#define PySet_GET_SIZE(so) PySet_GET_SIZE(_PyObject_CAST(so))