On Sun, May 19, 2013 at 8:41 AM, Felipe Contreras
<[email protected]> wrote:
> On Sun, May 19, 2013 at 10:13 AM, Ramkumar Ramachandra
> <[email protected]> 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
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