:: (a -> b) -> [a] -> [b] is:exact -package:singletons -package:deepseq -package:semigroupoids -package:adjunctions -package:base-prelude -package:base-compat-batteries -package:hedgehog -package:base-compat -package:ghc -package:imports -package:incipit-base -package:generic-deriving package:vector
O(n) Map a function over a vector.