pipeline: Add `NullSkipper`.
authorJean-Christophe Beaupré <jcbrinfo@users.noreply.github.com>
Mon, 29 Dec 2014 20:50:44 +0000 (15:50 -0500)
committerJean-Christophe Beaupré <jcbrinfo@users.noreply.github.com>
Mon, 29 Dec 2014 20:50:44 +0000 (15:50 -0500)
commit7b180b31a93f3df952164f2504a6e73898b645c9
tree3b17384303e7de28fe6474a97136dc69f82d870c
parentd798812d9ec5231f2db8f2abc2509713075fcc50
pipeline: Add `NullSkipper`.

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