:: (a -> b) -> [a] -> [b] is:exact -package:singletons -package:Cabal-syntax -package:semigroupoids -package:ghc -package:base-prelude -package:generic-deriving -package:shelly -package:imports -package:base-compat -package:base -package:deepseq -package:comonad package:vector
O(n) Map a function over a vector.