map is:exact -package:vector -package:containers -package:basement -package:base-compat-batteries -package:ghc -package:insert-ordered-containers -package:base -package:base-compat -package:foldl -package:os-string -package:regex-tdfa -package:text -package:psqueues -package:invertible -package:vector-stream -package:unordered-containers package:conduit

Apply a transformation to all values in a stream. Subject to fusion
Apply a transformation to all values in a stream. Subject to fusion Since 0.3.0