On Sun, May 19, 2013 at 8:41 AM, Felipe Contreras <felipe.contreras@xxxxxxxxx> wrote: > On Sun, May 19, 2013 at 10:13 AM, Ramkumar Ramachandra > <artagnon@xxxxxxxxx> wrote: >> 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. > > I don't see the confusion, 'len ||= 1' is *exactly* the same as 'len = > 1 if not len', which is what I expected. I spend more time in Python, C*, and Perl then in Ruby, and I was not confused by this at all. It behaves just like $foo ||= 1 does in Perl. In git.git: $ git grep '||=' | wc -l 121 -- David -- To unsubscribe from this list: send the line "unsubscribe git" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html