From: Benoit Daloze <eregontp@...>
Date: 2010-06-27T22:56:31+09:00
Subject: Re: Singleton class in Ruby

On 27 June 2010 16:43, Manoj Kumar <manojs.nitt@gmail.com> wrote:
> As you said   class << o; self; end
>
> In Rails, there is a method called metaclass which is defined in Object
>
> def metaclass
>  class << self
>    self
>  end
> end
Yes, and this method is now deprecated because of the wrong name.
The chosen name is ... singleton_class ;)
So, the answer, in Ruby 1.9 is
> > "mystr".singleton_class
=> #<Class:#<String:0x00000100864fd8>>

> is #<Class:#<Object:0xb743f3fc>> the singleton class object for object
> o?
yes.

B.D.