:: (a -> b) -> [a] -> [b] is:exact -package:singletons -package:ghc -package:semigroupoids -package:Cabal-syntax -package:shelly -package:base-prelude -package:basement -package:appar -package:hedgehog -package:generic-deriving -package:base -package:adjunctions package:vector
O(n) Map a function over a vector.