# HG changeset patch
# User bulwahn
# Date 1327575815 -3600
# Node ID 39fe503602fba638bc1948091b038421985c6375
# Parent  0fd9ab902b5a46d690201219770ba987d8cc5a09
evaluation of THE with a non-singleton set raises a Match exception during the evaluation to yield a potential counterexample in quickcheck.

diff -r 0fd9ab902b5a -r 39fe503602fb src/HOL/Enum.thy
--- a/src/HOL/Enum.thy	Thu Jan 26 10:59:47 2012 +0100
+++ b/src/HOL/Enum.thy	Thu Jan 26 12:03:35 2012 +0100
@@ -777,6 +777,7 @@
 qed
 
 code_abort enum_the
+code_const enum_the (Eval "(fn p => raise Match)")
 
 subsection {* Further operations on finite types *}