map -package:containers -package:bytestring -package:incipit-base -package:monoidal-containers is:exact -package:aeson -package:case-insensitive -package:invertible -package:basement -package:base -package:dense-linear-algebra -package:base-prelude -package:hedgehog -package:pipes -package:blaze-html -package:regex-tdfa -package:text package:foldl

Fold pairs into a map.