src/HOL/Quickcheck.thy
changeset 32373 c96330408d89
parent 31985 a6e982b1ebba
child 32657 5f13912245ff
--- a/src/HOL/Quickcheck.thy	Fri Aug 14 15:36:54 2009 +0200
+++ b/src/HOL/Quickcheck.thy	Fri Aug 14 15:36:55 2009 +0200
@@ -54,7 +54,7 @@
 begin
 
 definition 
-  "random _ = Pair (STR [], \<lambda>u. Code_Eval.term_of (STR []))"
+  "random _ = Pair (STR '''', \<lambda>u. Code_Eval.term_of (STR ''''))"
 
 instance ..