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