From: Robert Klemme <shortcutter@...>
Date: 2006-08-15T03:30:07+09:00
Subject: Re: Get formal parameter names of a method?

Jeff Cohen wrote:
> Is there a way to reflect on a method to get the declard names of the 
> parameters?
> 
> class Equipment
> 
>  def install(tool, packaging)
>  end
> 
> end
> 
> I can do this:
> 
> m = Equipment.new.method(:install)
> m.arity  # => 2
> 
> I want to somehow find out that the client code has declared the 
> parameters named 'tool' and 'packaging'.
> 
> Is this possible somehow?  I feel like it should be, but I can't quite 
> figure it out.

It's not possible without access to the source code or some major 
interpreter patches.

Kind regards

	robert