doc-src/IsarAdvanced/Codegen/Thy/examples/Codegen.hs
changeset 25182 64e3f45dc6f4
parent 25056 743f3603ba8b
child 25731 b3e415b0cf5c
--- a/doc-src/IsarAdvanced/Codegen/Thy/examples/Codegen.hs	Wed Oct 24 21:12:44 2007 +0200
+++ b/doc-src/IsarAdvanced/Codegen/Thy/examples/Codegen.hs	Wed Oct 24 21:33:37 2007 +0200
@@ -6,7 +6,7 @@
   nulla :: a;
 };
 
-heada :: (Codegen.Null b) => [b] -> b;
+heada :: (Codegen.Null a) => [a] -> a;
 heada (x : xs) = x;
 heada [] = Codegen.nulla;