:: (a -> b) -> [a] -> [b] is:exact -package:quickcheck-instances -package:appar -package:generic-deriving -package:comonad -package:base-prelude -package:imports -package:foundation -package:base-compat-batteries -package:base -package:hedgehog -package:amazonka-core -package:ghc package:vector
O(n) Map a function over a vector.