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doctest fix

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1 parent bc41905 commit 9ef39b1ab1beef639428a554cf032f0de17c177d @ekmett committed Aug 12, 2012
Showing with 1 addition and 1 deletion.
  1. +1 −1 src/Control/Lens/Iso.hs
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2 src/Control/Lens/Iso.hs
@@ -167,7 +167,7 @@ iso ab ba = isos ab ba ab ba
--
-- Mnemonically, /au/ is a French contraction of /à le/.
--
--- >>> :m + Control.Lens Data.Monoid.Lens
+-- >>> :m + Control.Lens Data.Monoid.Lens Data.Foldable
-- >>> au _sum foldMap [1,2,3,4]
-- 10
au :: Simple Iso a b -> ((a -> b) -> e -> b) -> e -> a

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