1 files changed, 16 insertions, 0 deletions
diff --git a/modules/language/python/set.scm b/modules/language/python/set.scm
index 5582d36..2f3b7cc 100644
--- a/modules/language/python/set.scm
+++ b/modules/language/python/set.scm
@@ -224,6 +224,22 @@
              (t (slot-ref d    't)))
         (not (eq? miss (py-hash-ref t x miss))))))
 
+  (define __and__
+    (lambda (self op)
+      (intersection self op)))
+
+  (define __or__
+    (lambda (self op)
+      (union self op)))
+
+  (define __sub__
+    (lambda (self op)
+      (difference self op)))
+
+  (define __xor__
+    (lambda (self op)
+      (symmetric_difference self op)))
+  
   (define __eq__
     (lambda (self x)
       (and