diff -r 7733125bac3c -r a324d214009c src/HOL/Library/Code_Integer.thy
--- a/src/HOL/Library/Code_Integer.thy	Mon May 18 15:45:32 2009 +0200
+++ b/src/HOL/Library/Code_Integer.thy	Mon May 18 15:45:34 2009 +0200
@@ -5,7 +5,7 @@
 header {* Pretty integer literals for code generation *}
 
 theory Code_Integer
-imports Main
+imports Main Code_Index
 begin
 
 text {*
@@ -91,15 +91,17 @@
   (OCaml "Big'_int.lt'_big'_int")
   (Haskell infix 4 "<")
 
+code_const Code_Index.int_of
+  (SML "IntInf.fromInt")
+  (OCaml "Big'_int.big'_int'_of'_int")
+  (Haskell "toEnum")
+
 code_reserved SML IntInf
 code_reserved OCaml Big_int
 
 text {* Evaluation *}
 
-lemma [code, code del]:
-  "(Code_Eval.term_of \<Colon> int \<Rightarrow> term) = Code_Eval.term_of" ..
-
 code_const "Code_Eval.term_of \<Colon> int \<Rightarrow> term"
-  (SML "HOLogic.mk'_number/ HOLogic.intT")
+  (Eval "HOLogic.mk'_number/ HOLogic.intT")
 
 end
\ No newline at end of file