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Fix Foldable1 Identity instance #21

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Merged
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Oct 21, 2020
Merged

Fix Foldable1 Identity instance #21

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2 changes: 2 additions & 0 deletions src/Data/Identity.purs
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Original file line number Diff line number Diff line change
Expand Up @@ -89,6 +89,8 @@ instance foldableIdentity :: Foldable Identity where
instance foldable1Identity :: Foldable1 Identity where
fold1 (Identity x) = x
foldMap1 f (Identity x) = f x
foldl1 _ (Identity x) = x
foldr1 _ (Identity x) = x

instance foldableWithIndexIdentity :: FoldableWithIndex Unit Identity where
foldrWithIndex f z (Identity x) = f unit x z
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