map -package:containers is:exact -package:conduit -package:dlist -package:foldl -package:pipes -package:invertible -package:monoidal-containers -package:base-compat -package:integration -package:filepath -package:case-insensitive 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.