:: (a -> b) -> [a] -> [b] -package:deepseq -package:adjunctions -package:semigroupoids is:exact -package:base-compat-batteries -package:base-prelude -package:base-compat -package:appar -package:basement -package:Cabal-syntax -package:base -package:comonad package:vector
O(n) Map a function over a vector.