:: (a -> b) -> [a] -> [b] is:exact -package:hspec-core -package:amazonka-core -package:adjunctions -package:base-compat -package:Cabal-syntax -package:base-compat-batteries -package:deepseq -package:imports -package:semigroupoids -package:foundation -package:ghc package:vector
O(n) Map a function over a vector.