function CopyMe(ic : Object) : Object {
    return ic.Copy();
  }

  interface ICopyObj {
    function Copy() : Object;
  }

  class CopyInt implements ICopyObj {
    public var i : int;
    public function CopyInt(i : int) {
      this.i = i;
    }
    public function Copy() : Object {
      return new CopyInt(i)
    }
  }

  class CopyDouble implements ICopyObj {
    public var d : double;
    public function CopyDouble(d : double) {
      this.d = d;
    }
    public function Copy() : Object {
      return new CopyDouble(d)
    }
  }

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