map -package:containers -package:imports -package:base -package:bytestring -package:ghc -package:invertible -package:basement -package:conduit -package:filepath is:exact -package:pipes -package:foldl package:hedgehog

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.