No, &: is much slower and uglier

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On 04/02/2009, at 5:57 PM, Joshua Abbott <[email protected] 
 > wrote:

>
> Or even this:
>
> @message = Message.new(params[:message])
>
> volunteers =  Volunteer.all(:conditions => "email IS NOT NULL AND  
> email
> <> ''", :group => "email")
>
> # essentially the same as .map { |v| v.email } only letting ruby  
> figure
> out the "v" part.
> @message.recipients = volunteers.map(&:email)
>
> -- Josh
> http://iammrjoshua.com
>
>
> Julian Leviston wrote:
>> Hi,
>>
>> @message = Message.new(params[:message])
>> @message.recipients = Volunteer.all(:conditions => "email IS NOT NULL
>> AND email <> ''", :group => "email").map{|v| v.email}.join(", ")
>
> -- 
> Posted via http://www.ruby-forum.com/.
>
> >

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