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-rw-r--r--tests/examples/ghc86/SlidingTypeSyn.hs14
1 files changed, 14 insertions, 0 deletions
diff --git a/tests/examples/ghc86/SlidingTypeSyn.hs b/tests/examples/ghc86/SlidingTypeSyn.hs
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+++ b/tests/examples/ghc86/SlidingTypeSyn.hs
@@ -0,0 +1,14 @@
+{-# LANGUAGE FlexibleContexts #-}
+{-# LANGUAGE RankNTypes #-}
+{-# LANGUAGE TypeOperators #-}
+{-# LANGUAGE KindSignatures #-}
+{-# LANGUAGE LiberalTypeSynonyms #-}
+{-# LANGUAGE GADTs #-}
+{-# LANGUAGE TypeFamilies #-}
+
+
+type ( f :-> g) (r :: Type -> Type) ix = f r ix -> g r ix
+
+type ( f :--> g) b ix = f b ix -> g b ix
+
+type ((f :---> g)) b ix = f b ix -> g b ix