From e812a886dc13ba70bb247c5310e74956c7240d8b Mon Sep 17 00:00:00 2001
From: Thomas Krijnen <t.krijnen@gmail.com>
Date: Fri, 13 Jan 2023 11:12:26 +0100
Subject: [PATCH] #2685 also implement __mul__ on express_set

---
 src/ifcopenshell-python/ifcopenshell/express/rule_compiler.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/ifcopenshell-python/ifcopenshell/express/rule_compiler.py b/src/ifcopenshell-python/ifcopenshell/express/rule_compiler.py
index d20554a1b8..fc61ce899b 100644
--- a/src/ifcopenshell-python/ifcopenshell/express/rule_compiler.py
+++ b/src/ifcopenshell-python/ifcopenshell/express/rule_compiler.py
@@ -634,8 +634,9 @@ def usedin(inst, ref_name):
 
 
 class express_set(set):
-    def __rmul__(self, other):
+    def __mul__(self, other):
         return express_set(set(other) & self)
+    __rmul__ = __mul__
     def __add__(self, other):
         def make_list(v):
             # Comply with 12.6.3 Union operator