:: (a -> b) -> [a] -> [b] is:exact -package:quickcheck-instances -package:integration -package:base-compat-batteries -package:imports -package:appar -package:basement -package:generic-deriving -package:incipit-base -package:Cabal-syntax -package:comonad -package:ghc -package:base package:vector
O(n) Map a function over a vector.