scala/scala-parser-combinators — pull request #38 by JanBessai (2014-12-01 06:41:49+00:00)
Title: Add non backtracking versions of ~> and <~

This adds ``<~!`` and ``~>!`` which are equivalents of ``~>`` and ``<~`` without backtracking, lust like ``~!``.
It also includes a test for ``~>``, ``<~``, ``~>!`` and ``<~!``.