p $a = Object.new

module M
    private
	     
    $a.instance_eval {
	    
		def foo
		  puts 'foo'
		end		
	}
end

class << $a
  p private_instance_methods(false)
  p instance_methods(false)
end

Date: 2009-01-07 00:47
Sender: Tomas Matousek

Compatible with 1.8, but not with 1.9.