map -package:Cabal-syntax -package:basement -package:base -package:incipit-base -package:integration -package:imports -package:filepath -package:aeson package:hedgehog -is:exact is:exact

Generates a map using a Range to determine the length. This may fail to generate anything if the keys produced by the generator do not account for a large enough number of unique items to satify the required map size.