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Add Functor/Foldable/TraversableWithIndex for Map #126
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paf31
reviewed
Nov 30, 2017
src/Data/Map.purs
Outdated
| foldrWithIndex f z m = foldr (uncurry f) z $ asList $ toUnfoldable m | ||
| foldMapWithIndex f m = foldMap (uncurry f) $ asList $ toUnfoldable m | ||
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| asList ∷ ∀ k v. List (Tuple k v) → List (Tuple k v) |
paf31
approved these changes
Nov 30, 2017
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I implemented
FoldableWithIndexstupidly, the same wayFoldableis, as I figured it would be stack safe at least. But then theFunctorWithIndexisn't... so whatever! We should re-examine both instances at some point I guess.