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-
- /* Set object interface */
-
- #ifndef Py_SETOBJECT_H
- #define Py_SETOBJECT_H
- #ifdef __cplusplus
- extern "C" {
- #endif
-
- /*
- This data structure is shared by set and frozenset objects.
- */
-
- typedef struct {
- PyObject_HEAD
- PyObject *data;
- long hash; /* only used by frozenset objects */
- PyObject *weakreflist; /* List of weak references */
-
- /* Invariants:
- * data is a dictionary whose values are all True.
- * data points to the same dict for the whole life of the set.
- * For frozensets only:
- * data is immutable.
- * hash is the hash of the frozenset or -1 if not computed yet.
- */
- } PySetObject;
-
- PyAPI_DATA(PyTypeObject) PySet_Type;
- PyAPI_DATA(PyTypeObject) PyFrozenSet_Type;
-
- #define PyFrozenSet_CheckExact(ob) ((ob)->ob_type == &PyFrozenSet_Type)
- #define PyAnySet_Check(ob) \
- ((ob)->ob_type == &PySet_Type || (ob)->ob_type == &PyFrozenSet_Type || \
- PyType_IsSubtype((ob)->ob_type, &PySet_Type) || \
- PyType_IsSubtype((ob)->ob_type, &PyFrozenSet_Type))
-
- #ifdef __cplusplus
- }
- #endif
- #endif /* !Py_SETOBJECT_H */
-