From: Brian Candler <B.Candler@...>
Date: 2003-07-17T23:17:56+09:00
Subject: Re: reliable way of finding Objects Class?

On Thu, Jul 17, 2003 at 11:08:00PM +0900, dblack@superlink.net wrote:
> As for finding an object's class without Object#class, I guess you
> could do something like:
> 
>   >> class Obj; def class; "Go away!"; end; end
>   => nil
>   >> o = Obj.new
>   => #<Obj:0x401e98c8>
>   >> a = []; ObjectSpace.each_object(Class) {|c| a << c if o.is_a?(c)}
>   => 346
>   >> a[-1]
>   => Obj

"is_a?" matches superclasses as well - "instance_of?" would be better here I
think.

But like David says, if you shoot off all your feet, you won't have anything
left to stand on :-)

Cheers,

Brian.