From 4ab87c223d888950db30e3efca9b12afa3bc552f Mon Sep 17 00:00:00 2001
From: tj-sun <tianjiao.sun.2010@gmail.com>
Date: Tue, 10 Jul 2018 13:06:15 +0100
Subject: [PATCH] hash builder for opaque type

---
 loopy/types.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/loopy/types.py b/loopy/types.py
index 59d605c85..0a08b8a81 100644
--- a/loopy/types.py
+++ b/loopy/types.py
@@ -199,6 +199,9 @@ class OpaqueType(LoopyType):
     def involves_complex(self):
         return False
 
+    def update_persistent_hash(self, key_hash, key_builder):
+        key_builder.rec(key_hash, self.name)
+
 # }}}
 
 
-- 
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