From: Farrel Lifson <farrel.lifson@...>
Date: 2007-01-16T22:05:49+09:00
Subject: Re: where to find info on ||= operator ?

On 16/01/07, Josselin <josselin@wanadoo.fr> wrote:
> I am using
>
> http://www.ruby-doc.org/docs/ProgrammingRuby/
>
> a sa reference manual, but could not find info on that operator  (how
> to use it..)
>
> tfyl
>
> joss
>
>
>
 a ||= b
is equivalent to
 a = a || b
If a is nil it will be set to b. If it is not nil it will remain unchanged.

Farrel