From: Jimmy Kofler <koflerjim@...>
Date: 2007-11-06T22:20:19+09:00
Subject: Re: operator |=

> operator |=
> Posted by Fernando Cacciola (Guest) on 06.11.2007 12:59 
> 
> Hi people,
>
> Did I dream about an opeartor |=?
>
> I can't find any reference to it in the online docs, yet I think I've seen
> it in some samples.
>
> What does it do?

|= can also be used with arrays.

shopping_list = ['peanut butter', 'grape jelly', 'whole wheat bread']
shopping_list |= ['peanut butter', 'sugar']
p shopping_list #=> ['peanut butter', 'grape jelly', 'whole wheat 
bread', 'sugar']

(cf. http://rubysnips.com/add-to-array-if )

Cheers,

j. k.
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