From: Justin Collins <justincollins@...>
Date: 2013-02-23T06:41:44+09:00
Subject: Re: Not able to understand the difference between "||=" and "|=".

On 02/22/2013 01:32 PM, Xavier R. wrote:
> Justin Collins wrote in post #1098508:
>> On 02/22/2013 01:08 PM, Xavier R. wrote:
>>> Couldn't reach to any summary. How does it work?
>>>
>>
>> https://en.wikibooks.org/wiki/Ruby_Programming/Syntax/Operators#1._Assignment
>>
>> http://lesseverything.com/blog/archives/2008/12/16/guarded-assignment-in-ruby/
>
>
> from your reference -
>
> x &&= x.next_node #=> nil : x will be set to x.next_node, but only if x
> is NOT nil or false.
>
> then how the below works?
>
>>> a = []
> => []
>>> a &&= [2,3]
> => [2, 3]
>>>
>


Is `a` nil or false?