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+
+{-# LANGUAGE MultiParamTypeClasses, FlexibleInstances, UndecidableInstances #-}
+
+--
+-- Test case adopted from the HList library
+-- http://www.cwi.nl/~ralf/HList/
+--
+
+module TypeCast where
+
+import FakePrelude
+
+--
+-- We are ready to reveal the definition of type cast.
+--
+instance TypeCast x x where typeCast = id