map is:exact -package:text -package:conduit -package:basement -package:integration -package:bytestring -package:base-prelude -package:containers -package:incipit-base -package:pipes -package:monoidal-containers -package:regex-tdfa -package:os-string -package:insert-ordered-containers -package:vector -package:invertible package:vector-stream

Map a function over a Stream