Update examples

testsuite/eval/eval_fn1/Poly.hs

@@ -0,0 +1,16 @@
+{-# OPTIONS -cpp -fglasgow-exts #-} 
+module Poly where
+
+import AltData.Typeable
+
+data Fn = Fn {fn :: forall t. Eq t => t -> t -> Bool}
+
+--
+-- ignore type inside the Fn... is this correct?
+--
+instance Typeable Fn where
+#if __GLASGOW_HASKELL__ >= 603
+    typeOf _ = mkTyConApp (mkTyCon "Poly.Fn") []
+#else
+    typeOf _ = mkAppTy (mkTyCon "Poly.Fn") []
+#endif