From c831f91c6c41bf5f9b5dc02fc8a275a0804f41dd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andreas=20Kl=C3=B6ckner?= <inform@tiker.net>
Date: Mon, 28 Jun 2021 13:43:55 -0500
Subject: [PATCH] Use enum.unique in _OpClass to prevent accidents

---
 arraycontext/container/arithmetic.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arraycontext/container/arithmetic.py b/arraycontext/container/arithmetic.py
index 52c87d7..9a63670 100644
--- a/arraycontext/container/arithmetic.py
+++ b/arraycontext/container/arithmetic.py
@@ -41,6 +41,7 @@ import numpy as np
 T = TypeVar("T")
 
 
+@enum.unique
 class _OpClass(enum.Enum):
     ARITHMETIC = enum.auto()
     MATMUL = enum.auto()
-- 
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