From: Sam Larbi <slarbi@...>
Date: 2008-02-24T10:35:44+09:00
Subject: Re: Using a variable as a method name?

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On Sat, Feb 23, 2008 at 7:18 PM, Phy Prabab <phyprabab@yahoo.com> wrote:

> This causes Ruby to spit out that there is no method
> called arg which is correct.  So how do I get arg to
> be substituted to the value rather than the var name?
> I tried dereferencing and using the it within a string
> (okay, a dumb idea).  Any way, any help will be much
> appreciated!
>


What is the /type/ of arg?

If it's a Proc, you might try arg.call().

If you're trying to do it via string, look into eval.

Jay Fields has some thoughts:
http://blog.jayfields.com/2006/07/ruby-eval-with-binding.html
http://blog.jayfields.com/2006/07/ruby-block-scope.html

I seem to remember seeing a better reference, only I can't recall by whom or
where.

Regards,
Sam

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