factory methods for TypedPipe, which is the typed representation of distributed lists in scalding.
This object is here rather than in the typed package because a lot of code was written using
the functions in the object, which we do not see how to hide with package object tricks.
factory methods for TypedPipe, which is the typed representation of distributed lists in scalding. This object is here rather than in the typed package because a lot of code was written using the functions in the object, which we do not see how to hide with package object tricks.