Re: [PATCH v5 01/15] Add new git-related helper to contrib
- From
Felipe Contreras <felipe.contreras@gmail.com>
- Date
- May 19, 2013, 15:41 UTC
- Message-ID
- <CAMP44s3idD9pen0PyFuHeXQ=uphA8gVfFCEYhEnDRsx-gszbAw@mail.gmail.com>
- In-Reply-To
- <CALkWK0kz-pQ9UJPXerFoui9ftNXDzD-xhpkSHY=JX3rbFXgp-g@mail.gmail.com>
On Sun, May 19, 2013 at 10:13 AM, Ramkumar Ramachandra <artagnon@gmail.com> wrote:
Show 9 quoted lines
> 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.
-- Felipe Contreras