mapWithIndex is:exact

mapWithIndex :: (Int -> a -> b) -> Seq a -> Seq b

containers Data.Sequence Data.Sequence.Internal, rio RIO.Seq

A generalization of fmap, mapWithIndex takes a mapping function that also depends on the element's index, and applies it to every element in the sequence.

mapWithIndex :: (Indexed sh, Index sh ~ ix, Storable a, Storable b) => (ix -> a -> b) -> Array sh a -> Array sh b

comfort-array Data.Array.Comfort.Storable Data.Array.Comfort.Storable.Unchecked

mapWithIndex :: (Int -> a -> b) -> NESeq a -> NESeq b

nonempty-containers Data.Sequence.NonEmpty

A generalization of fmap, mapWithIndex takes a mapping function that also depends on the element's index, and applies it to every element in the sequence.