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