map -package:containers -package:foldl -package:base-prelude -package:Cabal-syntax is:exact -package:dense-linear-algebra -package:hedgehog -package:base-compat-batteries -package:filepath -package:monoidal-containers -package:incipit-base -package:integration package:basement
Map all element a from a block to a new block of b
Map all elements in a list