From: Ryan Davis <ryand-ruby@...>
Date: 2011-01-06T01:51:09+09:00
Subject: Re: actual class name


On Jan 5, 2011, at 08:23 , Perry Smith wrote:

> I'm trying to debug a problem I have with YAML.  When I do:

Why not tell us about the real problem and not the symptom?

> puts "#{foo.class}"
> 
> I get (for example) Xyz
> 
> but I know that foo is not really of class Xyz.  I think it is an
> YAML::Object.  The reason this happens is because to_s has been
> overridden.

Are you sure?

> How can I get the real name of the class of an object?
> 
> I think this is what YAML::Object is doing:
> 
> #! /usr/bin/env ruby
> 
> class Xyz
>  def self.to_s
>    "dog"
>  end
> end
> 
> x = Xyz.new
> puts "#{x.class}"
> 
> I get "dog" instead of Xyz.  How can I get Xyz in this case?

You can try x.class.name instead... Or you can try to restore the real name with:

  x.class.send :remove_method, :to_s