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📝 gfoldMap1.

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Rob Rix 2019-09-24 17:07:16 -04:00
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semantic-tags/src/Tags/Taggable/Precise.hs
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@ -41,6 +41,7 @@ yield = tell . Endo . (:)
class GFoldable1 c t where
-- | Generically map functions over fields of kind @* -> *@, monoidally combining the results.
gfoldMap1
:: Monoid b
=> (forall f . c f => f a -> b)