From: Sebastian Hungerecker <sepp2k@...>
Date: 2008-02-20T07:15:52+09:00
Subject: Re: ||= [] idiom

Leslie Viljoen wrote:
> @categories = {}
>
> pagelist.each do |resource|
>     @categories[resource.tag] ||= []
>     @categories[resource.tag] << resource
> end
>
>
> .. is there a better way?

@categories = Hash.new {Array.new}
pagelist.each do |resource|
  @categories[resource.tag] << resource
end



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