map -package:containers -package:bytestring -package:incipit-base -package:foldl -package:monoidal-containers -package:invertible -package:case-insensitive -package:base-compat-batteries -package:dense-linear-algebra -package:base-prelude -package:imports is:exact package:basement
Map all element a from a block to a new block of b
Map all elements in a list