From: Taylor Strait <taylorstrait@...>
Date: 2009-01-15T07:50:57+09:00
Subject: Re: a beginner case question

F. Senault wrote:

> To go a step further than just answering your question, I'd refactor the
> whole function like this :
> 
> def single_choice(object)
>   l = case object.list_method
>       when /^position/ then lambda { |x| x.position }
>       when /^rand/     then lambda {     rand       }
>       when /^alpha/    then lambda { |x| x.to_s     }
>       when /^length/   then lambda { |x| x.length   }
>       end
>   sorted_answers = object.answers.sort_by(&l)
>   if order =~ /desc$/
>     sorted_answers.reverse!
>   end
>   sorted_answers
> end

That is great usage of regex's -- thanks for showing me that!
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