:: (a -> b) -> [a] -> [b] is:exact -package:quickcheck-instances -package:appar -package:deepseq -package:incipit-base -package:base-compat-batteries -package:ghc -package:base-prelude -package:foundation -package:imports -package:semigroupoids -package:comonad -package:basement package:vector
O(n) Map a function over a vector.