class DRb::WeakIdConv

def initialize() 

def initialize()
  super()
  @weak_set = WeakSet.new
end

def to_id(obj) # :nodoc:

:nodoc: 
def to_id(obj) # :nodoc:
  return @weak_set.add(obj)
end

def to_obj(ref) # :nodoc:

:nodoc: 
def to_obj(ref) # :nodoc:
  return super if ref.nil?
  @weak_set.fetch(ref)
end