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