From: "Bartosz Dziewoński" <matma.rex@...>
Date: 2012-04-21T21:54:19+09:00
Subject: Re: What does '||=' mean?

W dniu 21 kwietnia 2012 14:39 użytkownik Peter Zotov
<whitequark@whitequark.org> napisał:
> The info on that link is incorrect or outdated. On recent Rubies like 1.9.3
> the nil guard explicitly does not show a warning if the variable did not
> exist
> beforehand. Check it yourself:
>
> $ ruby -W2 -e '@ivar ||= 1'
> $ ruby -W2 -e '@ivar = @ivar || 1'
> -e:1: warning: instance variable @ivar not initialized

It does warn for me in both cases. I'm running ruby 1.9.3p0
(2011-10-30) [i386-mingw32] on Windows XP SP3.

-- Matma Rex