From 3bf66a7f9eeccded6d96abde96f97da8aa2fa213 Mon Sep 17 00:00:00 2001
From: "[6~" <inform@tiker.net>
Date: Sun, 17 May 2020 14:08:15 -0500
Subject: [PATCH] Equality comparison and hashability for DTAG_BOUNDARY
---
grudge/symbolic/primitives.py | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/grudge/symbolic/primitives.py b/grudge/symbolic/primitives.py
index 4f50b636..0e57fcef 100644
--- a/grudge/symbolic/primitives.py
+++ b/grudge/symbolic/primitives.py
@@ -124,6 +124,18 @@ class DTAG_BOUNDARY: # noqa
def __init__(self, tag):
self.tag = tag
+ def __eq__(self, other):
+ return isinstance(other, DTAG_BOUNDARY) and self.tag == other.tag
+
+ def __ne__(self, other):
+ return not self.__eq__(other)
+
+ def __hash__(self):
+ return hash(type(self)) ^ hash(self.tag)
+
+ def __repr__(self):
+ return "<%s(%s)>" % (type(self).__name__, repr(self.tag))
+
class QTAG_NONE: # noqa
pass
--
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