From: Joel VanderWerf <vjoel@...>
Date: 2009-08-27T03:31:23+09:00
Subject: Re: ||= with 1.8 and 1.9 ?

Aldric Giacomoni wrote:
> Joel VanderWerf wrote:
> 
>> h = Hash.new(0)
>> h[1] ||= 2         # this...
>> h[3] = h[3] || 4   # is not like this...
>> h[5] || h[5] = 6   # but more like this.
>> p h # {3=>0}
>>
> 
> Hashes have always been a kind of special case, especially when they 
> have a default value set up :-) We're talking about assignments on plain 
> variables, which are (I thought) more clear-cut.

True. The quirk happens with reader and writer methods as well as hashes 
(scroll down a bit in the google groups page to see some examples).

-- 
       vjoel : Joel VanderWerf : path berkeley edu : 510 665 3407