diff --git a/Data/Profunctor/Yoneda.idr b/Data/Profunctor/Yoneda.idr
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+module Data.Profunctor.Yoneda
+
+import Data.Profunctor
+
+%default total
+
+
+public export
+record Yoneda p a b where
+  constructor MkYoneda
+  runYoneda : forall x, y. (x -> a) -> (b -> y) -> p x y