:: (a -> b) -> [a] -> [b] is:exact -package:hspec-core -package:incipit-base -package:base-compat -package:adjunctions -package:imports -package:generic-deriving -package:semigroupoids -package:comonad -package:basement -package:Cabal-syntax -package:foundation package:vector
O(n) Map a function over a vector.