src/HOL/Predicate_Compile_Examples/Predicate_Compile_Tests.thy

--- a/src/HOL/Predicate_Compile_Examples/Predicate_Compile_Tests.thy	Thu Sep 30 15:37:11 2010 +0200
+++ b/src/HOL/Predicate_Compile_Examples/Predicate_Compile_Tests.thy	Thu Sep 30 15:37:12 2010 +0200
@@ -1538,5 +1538,11 @@
 
 code_pred implies_itself .
 
+text {* Case expressions *}
+
+definition
+  "map_pairs xs ys = (map (%((a, b), c). (a, b, c)) xs = ys)"
+
+code_pred [inductify] map_pairs .
 
 end