From: Jeremy McAnally <jeremymcanally@...>
Date: 2007-01-04T01:40:21+09:00
Subject: Re: access to the case/when variable

case x = object.size.to_s
when /33/: # whatever
when /44/: #etc.
else
  x = 999
  # whatever
end

Basically a combination approach. :)

--Jeremy

On 1/3/07, bwv549 <jtprince@gmail.com> wrote:
> Is there a way to access the variable being tossed through the
> case/when structure?
>
> case object.size.to_s
> when /33/
>   # ...
> when /44/
>   # ...
> else
>   abort "Invalid variable: " + ???
>   # Is there a way to access the variable being tossed through
> case/when?
>   # something like:  $_, or $!
> end
>
> One can always do this:
> x = object.size.to_s
> case x
> when /3ft/
> when /4cm/
> else
>   abort "Bad match: #{x}"
> end
>
> But it would save a line to be able to access the actual variable being
> used in the case/when structure.
>
> Thanks
>
>
>


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