scalaz/scalaz-stream — pull request #164 by fthomas (2014-04-12 14:44:20+00:00)
Title: Add process1.zipWithIndex and zipWithState

This PR adds `process1.zipWithIndex` as "requested" on the mailing list: https://groups.google.com/forum/#!topic/scalaz/lE_yrSQIypM

/cc @justjoheinz