Add PySet_Clear

Author: msimacek

graalpython/com.oracle.graal.python.cext/src/setobject.c

@@ -92,3 +92,8 @@ UPCALL_ID(PySet_Discard);
 int PySet_Discard(PyObject *set, PyObject *key) {
     return UPCALL_CEXT_I(_jls_PySet_Discard, native_to_java(set), native_to_java(key));
 }
+
+UPCALL_ID(PySet_Clear);
+int PySet_Clear(PyObject *set) {
+    return UPCALL_CEXT_I(_jls_PySet_Clear, native_to_java(set));
+}

graalpython/lib-graalpython/python_cext.py

@@ -116,6 +116,12 @@ def PySet_Discard(s, key):
     return 0
 
 
+@may_raise(-1)
+def PySet_Clear(s):
+    s.clear()
+    return 0
+
+
 ##################### MAPPINGPROXY