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File Content: `setobject.h`

/* Set object interface */

#ifndef Py_SETOBJECT_H
#define Py_SETOBJECT_H
#ifdef __cplusplus
extern "C" {
#endif


/*
There are three kinds of slots in the table:

1. Unused:  key == NULL
2. Active:  key != NULL and key != dummy
3. Dummy:   key == dummy

Note: .pop() abuses the hash field of an Unused or Dummy slot to
hold a search finger.  The hash field of Unused or Dummy slots has
no meaning otherwise.
*/
#ifndef Py_LIMITED_API
#define PySet_MINSIZE 8

typedef struct {
    /* Cached hash code of the key. */
    PyObject *key;
    Py_hash_t hash;
} setentry;


/*
This data structure is shared by set and frozenset objects.
*/

typedef struct _setobject PySetObject;
struct _setobject {
    PyObject_HEAD

    Py_ssize_t fill;  /* # Active + # Dummy */
    Py_ssize_t used;  /* # Active */

    /* The table contains mask + 1 slots, and that's a power of 2.
     * We store the mask instead of the size because the mask is more
     * frequently needed.
     */
    Py_ssize_t mask;

    /* table points to smalltable for small tables, else to
     * additional malloc'ed memory.  table is never NULL!  This rule
     * saves repeated runtime null-tests.
     */
    setentry *table;
    setentry *(*lookup)(PySetObject *so, PyObject *key, Py_hash_t hash);
    Py_hash_t hash;             /* only used by frozenset objects */
    setentry smalltable[PySet_MINSIZE];

    PyObject *weakreflist;      /* List of weak references */
};
#endif /* Py_LIMITED_API */

PyAPI_DATA(PyTypeObject) PySet_Type;
PyAPI_DATA(PyTypeObject) PyFrozenSet_Type;
PyAPI_DATA(PyTypeObject) PySetIter_Type;
#ifndef Py_LIMITED_API
PyAPI_DATA(PyObject *) _PySet_Dummy;
#endif


/* Invariants for frozensets:
 *     data is immutable.
 *     hash is the hash of the frozenset or -1 if not computed yet.
 * Invariants for sets:
 *     hash is -1
 */

#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);
#ifndef Py_LIMITED_API
#define PySet_GET_SIZE(so) (((PySetObject *)(so))->used)
#endif
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);
#ifndef Py_LIMITED_API
PyAPI_FUNC(int) _PySet_NextEntry(PyObject *set, Py_ssize_t *pos, PyObject **key, Py_hash_t *hash);
#endif
PyAPI_FUNC(PyObject *) PySet_Pop(PyObject *set);
#ifndef Py_LIMITED_API
PyAPI_FUNC(int) _PySet_Update(PyObject *set, PyObject *iterable);

PyAPI_FUNC(int) PySet_ClearFreeList(void);
#endif

#ifdef __cplusplus
}
#endif
#endif /* !Py_SETOBJECT_H */

Name	Size	Permission
Python-ast.h	19489 bytes	0644
Python.h	2856 bytes	0644
abstract.h	43078 bytes	0644
accu.h	1016 bytes	0644
asdl.h	1184 bytes	0644
ast.h	477 bytes	0644
bitset.h	792 bytes	0644
bltinmodule.h	264 bytes	0644
boolobject.h	886 bytes	0644
bytearrayobject.h	2114 bytes	0644
bytes_methods.h	2025 bytes	0644
bytesobject.h	4922 bytes	0644
cellobject.h	701 bytes	0644
ceval.h	7200 bytes	0644
classobject.h	1666 bytes	0644
code.h	4227 bytes	0644
codecs.h	6552 bytes	0644
compile.h	2117 bytes	0644
complexobject.h	1954 bytes	0644
datetime.h	8542 bytes	0644
descrobject.h	2913 bytes	0644
dictobject.h	5178 bytes	0644
dtoa.h	458 bytes	0644
dynamic_annotations.h	22469 bytes	0644
enumobject.h	253 bytes	0644
errcode.h	1497 bytes	0644
eval.h	597 bytes	0644
fileobject.h	1862 bytes	0644
fileutils.h	1501 bytes	0644
floatobject.h	4641 bytes	0644
frameobject.h	3558 bytes	0644
funcobject.h	3771 bytes	0644
genobject.h	1131 bytes	0644
graminit.h	1873 bytes	0644
grammar.h	2045 bytes	0644
import.h	3901 bytes	0644
intrcheck.h	460 bytes	0644
iterobject.h	567 bytes	0644
listobject.h	2836 bytes	0644
longintrepr.h	3997 bytes	0644
longobject.h	8174 bytes	0644
marshal.h	803 bytes	0644
memoryobject.h	2861 bytes	0644
metagrammar.h	253 bytes	0644
methodobject.h	3307 bytes	0644
modsupport.h	4897 bytes	0644
moduleobject.h	1615 bytes	0644
namespaceobject.h	297 bytes	0644
node.h	1008 bytes	0644
object.h	38522 bytes	0644
objimpl.h	13848 bytes	0644
opcode.h	5211 bytes	0644
osdefs.h	848 bytes	0644
parsetok.h	2885 bytes	0644
patchlevel.h	1130 bytes	0644
pgen.h	253 bytes	0644
pgenheaders.h	1144 bytes	0644
py_curses.h	4175 bytes	0644
pyarena.h	2744 bytes	0644
pyatomic.h	5944 bytes	0644
pycapsule.h	1726 bytes	0644
pyconfig-64.h	43339 bytes	0644
pyconfig.h	162 bytes	0644
pyctype.h	1320 bytes	0644
pydebug.h	1019 bytes	0644
pyerrors.h	16023 bytes	0644
pyexpat.h	2450 bytes	0644
pyfpe.h	8489 bytes	0644
pygetopt.h	388 bytes	0644
pyhash.h	4274 bytes	0644
pymacconfig.h	2988 bytes	0644
pymacro.h	2821 bytes	0644
pymath.h	7218 bytes	0644
pymem.h	6782 bytes	0644
pyport.h	30874 bytes	0644
pystate.h	9124 bytes	0644
pystrcmp.h	436 bytes	0644
pystrtod.h	1276 bytes	0644
pythonrun.h	10184 bytes	0644
pythread.h	3036 bytes	0644
pytime.h	2914 bytes	0644
rangeobject.h	629 bytes	0644
setobject.h	3301 bytes	0644
sliceobject.h	1590 bytes	0644
structmember.h	2068 bytes	0644
structseq.h	1353 bytes	0644
symtable.h	5099 bytes	0644
sysmodule.h	1355 bytes	0644
token.h	1888 bytes	0644
traceback.h	2213 bytes	0644
tupleobject.h	2444 bytes	0644
typeslots.h	1997 bytes	0644
ucnhash.h	1057 bytes	0644
unicodeobject.h	78133 bytes	0644
warnings.h	1426 bytes	0644
weakrefobject.h	2866 bytes	0644

File Content: setobject.h

File Content: `setobject.h`