From: Joel VanderWerf <vjoel@...>
Date: 2008-02-20T07:30:26+09:00
Subject: Re: ||= [] idiom

MenTaLguY wrote:
> Often it can make sense to factor the ||= portion into a
> separate method:
> 
>  def category_for(tag)
>    @categories[tag] ||= []
>  end
> 
>  # ...
> 
>    category_for(resource.tag) << resource

That's something I've used frequently. It's kind of a poor man's 
dependency injection.

-- 
       vjoel : Joel VanderWerf : path berkeley edu : 510 665 3407