frozenset simple __hash__ impl

Author: cosminbasca

graalpython/lib-graalpython/set.py

@@ -116,6 +116,10 @@ def frozenset_copy(self):
     return frozenset(self)
 
 
+def frozenset_hash(self):
+    return hash(tuple(self))
+
+
 set.update = update
 set.difference = difference
 set.difference_update = difference_update
@@ -127,3 +131,17 @@ def frozenset_copy(self):
 frozenset.intersection = frozenset_intersection
 frozenset.__repr__ = frozenset_repr
 frozenset.copy = frozenset_copy
+frozenset.__hash__ = frozenset_hash
+
+del update
+del difference
+del difference_update
+del intersection
+del set_repr
+del set_copy
+
+del frozenset_difference
+del frozenset_intersection
+del frozenset_repr
+del frozenset_copy
+del frozenset_hash