map is:exact -package:vector -package:containers -package:basement -package:monoidal-containers -package:psqueues -package:ghc -package:pipes -package:blaze-html -package:os-string -package:filepath -package:imports 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