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