From: Chris Carter <cdcarter@...>
Date: 2007-03-27T06:50:25+09:00
Subject: Re: Some inflection (?) questions

On 3/26/07, Joshua Muheim <forum@josh.ch> wrote:
> Hi all
>
> I have the following code snipped:
>
> @country = Country.new
>
> Instead of hardcoding @country and Country I'd like to use the contents
> of two strings:
>
> instance_var_name = 'country'
> class_name = 'Country'
>
> How can this be achieved?
>
> Thanks a lot for help and yes, I'm working on my Ruby skills but I'm not
> quite there yet. ;-)
>
> Josh
>
> --
> Posted via http://www.ruby-forum.com/.
>
>

you can use the instance_variable_set and const_get methods.  exempli gratia:
def set_country(ivar_name,klass)
  self.instance_var_set('@'+ivar_name, Object.const_get(klass).new)
end

-- 
Chris Carter
concentrationstudios.com
brynmawrcs.com