map -package:containers -package:base-compat -package:dlist -package:charset -package:foldl -package:ghc -package:Cabal-syntax -is:exact -package:invertible -package:insert-ordered-containers is:exact 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