twitter/scalding — pull request #583 by vitalyg (2013-09-03 17:56:57+00:00)
Title: Adding ValuePipe (Scalar) capabilities to TypedPipe

As mentioned in the following issue https://github.com/twitter/scalding/issues/580

It would be useful to add support for tuples of Scalars as well, but I don't see a way to do it besides generating 22 additional functions.