From: MenTaLguY <mental@...>
Date: 2008-02-20T07:26:10+09:00
Subject: Re: ||= [] idiom

On Wed, 20 Feb 2008 07:15:52 +0900, Sebastian Hungerecker <sepp2k@googlemail.com> wrote:
>> .. is there a better way?
> 
> @categories = Hash.new {Array.new}
> pagelist.each do |resource|
>   @categories[resource.tag] << resource
> end

Although it is specific to hashes, when this is applicable I do
think it can be a better approach than the more general approach
I outlined in my other email.

-mental