:: (a -> b) -> [a] -> [b] is:exact -package:quickcheck-instances -package:deepseq -package:generic-deriving -package:imports -package:semigroupoids -package:base-compat-batteries -package:base-prelude -package:Cabal-syntax -package:ghc -package:basement -package:adjunctions -package:base-compat package:vector
O(n) Map a function over a vector.