Class: Object

Inherits:
BasicObject
Defined in:
lib/wdd-ruby-ext/object.rb

Constant Summary collapse

@@__duping_registry = 
{}

Instance Method Summary collapse

Instance Method Details

#deep_dup ⇒ Object 



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# File 'lib/wdd-ruby-ext/object.rb', line 5

def deep_dup
  return @@__duping_registry[object_id] if @@__duping_registry[object_id]
  
  begin
    deep_duping_obj = dup
  rescue TypeError
    return self
  end
  deep_duping_obj.instance_variables.each do |var|
    val = deep_duping_obj.instance_variable_get(var)
    begin
      @@__duping_registry[object_id] = deep_duping_obj
      val = val.deep_dup
    rescue TypeError
      next
    ensure
      @@__duping_registry[object_id] = nil
    end
    deep_duping_obj.instance_variable_set(var, val)
  end
  deep_duping_obj
end