map -package:containers -package:base -package:base-compat -package:base-compat-batteries -package:conduit -package:invertible is:exact -package:incipit-base -package:amazonka-core -package:basement -package:filepath -package:os-string -package:monoidal-containers -package:dlist -package:integration -package:hedgehog -package:regex-tdfa package:foldl

Fold pairs into a map.