func doEnum(_data)
  println(arr, ' = ', Array, ';')
  println('for( var ', _item, ' in ', arr, ') {')
  block.inclvl()
  event(onEnum, arr && '[' && _item && ']')
  block.declvl()
  println('}')
  event(onEndEnum)
end

func Item()
  return(arr && '[' && _item && ']')
end

func Index()
  return(_item)
end