From: "Wolfgang Nádasi-Donner" <wonado@...>
Date: 2005-07-30T03:31:01+09:00
Subject: Re: What does this assignment operator |=

"Stefan Achatz" <erazor@mitochondrien.de> schrieb im Newsbeitrag news:42ea718c_1@news.arcor-ip.de...
> Hello,
> i think i once saw an assignment operator |= used in a ruby program.
> I can't find anything in the pickaxe-book and on google.
> What does it do?
> Thanks, Stefan

'a |= b' is the same as 'a = a | b', where '|' is the or-method. There is one remarkable difference to '||'
(and '||='), because '||' may be lazy if the left operand evaluates to 'true', while using the '|'-method the
right operand is an argument for the method, so it will always be evaluated.

Best regards, Wolfgang

--
Wolfgang N�dasi-Donner
wonado@donnerweb.de