From: Daniel N <has.sox@...>
Date: 2006-09-26T07:35:34+09:00
Subject: Re: ruby wizards, help me beautify skanky code

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On 9/26/06, dblack@wobblini.net <dblack@wobblini.net> wrote:
>
> Hi --
>
>
> You can also do away with isolating the keys and then using them to
> dig out the values -- just give yourself both:
>
> Interaction.find(:all).group_by(&:involvement_type).each do |key,value|
>    instance_variable_set("@#{key.downcase.pluralize}",
>                                 value.map {|i| i.drug.name }.to_set)
> end
>
> (I'm not sold on to_set instead of uniq, but either should be OK.)


I didn't realise you could get the key and value from the each method.
Thats a good one to know.

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