map -is:exact -package:bytestring -package:case-insensitive -is:exact -package:conduit -package:foldl -is:exact -package:filepath -package:invertible -package:containers is:exact 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.