From: Nikolai Weibull <mailing-lists.ruby-talk@...>
Date: 2005-07-30T03:45:30+09:00
Subject: Re: What does this assignment operator |=

Adriano Ferreira wrote:

> On 7/29/05, Stefan Achatz <erazor@mitochondrien.de> wrote:

> > 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?

> Easily, 
>     a |= b
> is the same as
>      a = a | b
> and | is bit-or.

Well, not necessarily.  For an array, the | operator is used to create
the (unique) union of the array and a second argument array,
        nikolai

-- 
Nikolai Weibull: now available free of charge at http://bitwi.se/!
Born in Chicago, IL USA; currently residing in Gothenburg, Sweden.
main(){printf(&linux["\021%six\012\0"],(linux)["have"]+"fun"-97);}