[Sdruby] unfamiliar ruby construct

[Kevin Clark]

It explicitly casts to a boolean. This isn't useful (or preferred) in
_most_ cases. In this case, nil? already returns true/false, so
there's not really a point.

On 6/22/07, Glenn Little <little at cs.ucsd.edu> wrote:
> Found this in the restful auth code:
>
>   def activated?
>     !! activation_code.nil?
>   end
>
> What is the "!!"?  "not not"?  Is it a way of
> doing a cast or something?  (If so, why is
> it needed?)
>
>         -glenn
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-- 
Kevin Clark
http://glu.ttono.us