Hextra.Foldable
safeFoldr1 :: forall f a. Foldable f => (a -> a -> a) -> f a -> Maybe a Source #
safeMaximum :: forall f a. (Foldable f, Ord a) => f a -> Maybe a Source #
safeMinimum :: forall f a. (Foldable f, Ord a) => f a -> Maybe a Source #