From: Markus Fischer <markus@...>
Date: 2012-02-08T03:17:14+09:00
Subject: Re: Using _ like in Scala?

You've already got a lot of responses, on top of my head these are the
two most relevant tickets which have been opened so far:

Provide Default Variables for Array#each and other iterators
http://bugs.ruby-lang.org/issues/4830

and

default variable name for parameter
http://bugs.ruby-lang.org/issues/4475

HTH