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-rw-r--r--Include/setobject.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/Include/setobject.h b/Include/setobject.h
index eeffa8a..6289f9c 100644
--- a/Include/setobject.h
+++ b/Include/setobject.h
@@ -20,6 +20,12 @@ typedef struct {
PyAPI_DATA(PyTypeObject) PySet_Type;
PyAPI_DATA(PyTypeObject) 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