pipeline: Introduce `Iterator2`
authorJean-Christophe Beaupré <jcbrinfo@users.noreply.github.com>
Thu, 25 Aug 2016 20:59:34 +0000 (16:59 -0400)
committerJean-Christophe Beaupré <jcbrinfo@users.noreply.github.com>
Thu, 25 Aug 2016 21:02:34 +0000 (17:02 -0400)
commitfd5e731a53a86a877798201aa473faeb767c80ce
treefb404d222772b110c004d05137519a3f41fe2ef9
parent7e3a73ceb584bbac76b73da33ac6120b89629a9b
pipeline: Introduce `Iterator2`

Add a generalization of `PipeJoin`.

Signed-off-by: Jean-Christophe Beaupré <jcbrinfo@users.noreply.github.com>
lib/pipeline.nit