From: Arlen Cuss <celtic@...>
Date: 2008-04-27T13:24:05+09:00
Subject: Re: PartialInvocation sample

------=_Part_2445_27416777.1209270242856
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 7bit
Content-Disposition: inline

Hi,

On Sun, Apr 27, 2008 at 2:16 PM, Guoliang Cao <caogl@verizon.net> wrote:

> I'm not familiar with how _ is used in IRB. Can you please explain a bit
> more?


_ is the last returned value:

$ irb
>> _
=> nil
>> 42
=> 42
>> _
=> 42
>>

Arlen

------=_Part_2445_27416777.1209270242856--