map is:exact -package:conduit -package:basement -package:monoidal-containers -package:dense-linear-algebra -package:base-prelude -package:os-string -package:charset -package:foldl -package:Cabal-syntax -package:invertible -package:containers -package:dlist -package:case-insensitive -package:integration -package:hedgehog -package:bytestring -package:incipit-base -package:regex-tdfa -package:insert-ordered-containers package:vector-stream

Map a function over a Stream