From: Ramkumar Ramachandra Date: Sun, 19 May 2013 15:13:27 GMT Subject: Re: [PATCH v5 01/15] Add new git-related helper to contrib Message-ID: In-Reply-To: Felipe Contreras wrote: > How exactly is it not equivalent to len = len || 1? Here, I dug up an article for you on the issue: http://www.rubyinside.com/what-rubys-double-pipe-or-equals-really-does-5488.html Although it's fine in this case, I wouldn't recommend using ||= because of the potential confusion.