map -package:text -package:bytestring -package:blaze-html -package:insert-ordered-containers -package:ghc -package:basement -package:imports -package:incipit-base -package:base package:hedgehog 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.