map -package:containers -package:Cabal-syntax -package:dlist -package:bytestring -package:incipit-base -package:base-compat is:exact -package:base-compat-batteries -package:hedgehog -package:base-prelude -package:filepath -package:integration -package:base -package:ghc -package:monoidal-containers package:foldl

Fold pairs into a map.