src/HOL/UNITY/Simple/Token.thy
changeset 58249 180f1b3508ed
parent 46912 e0cd5c4df8e6
child 58310 91ea607a34d8
--- a/src/HOL/UNITY/Simple/Token.thy	Tue Sep 09 17:51:07 2014 +0200
+++ b/src/HOL/UNITY/Simple/Token.thy	Tue Sep 09 20:51:36 2014 +0200
@@ -15,7 +15,7 @@
 
 subsection{*Definitions*}
 
-datatype pstate = Hungry | Eating | Thinking
+datatype_new pstate = Hungry | Eating | Thinking
     --{*process states*}
 
 record state =