content: sub main()
      ' a = {}
      ' a.AddReplace("ifEnum", "text")
      ' print a.ifEnum.isEmpty()
      ' print a.ifEnum
      text = CreateObject("roString")
      text.SetString("abcd1234")
      print text.len(), text.mid(4,4)
      print text.ifStringOps.len(), text.ifStringOps.mid(4,4)
      text.ifString.setString("mlc7070")
      print text.getString()
      ar = [3, 4, 5]
      print type(ar)
      print ar
      print ar.getEntry(2)
      print ar.ifArrayGet.getEntry(1)
      ar.reverse()
      print ar
      strText = GetInterface(text, "ifStringOps")
      print type(strText)
      print strText
      objBool = GetInterface(true, "ifBoolean")
      print type(objBool)
      print objBool
  end sub