:: (a -> b) -> [a] -> [b] is:exact -package:base-prelude -package:imports -package:foundation -package:incipit-base -package:comonad -package:base-compat-batteries -package:ghc -package:shelly -package:generic-deriving -package:adjunctions -package:basement -package:appar package:vector
O(n) Map a function over a vector.