fun reformat(
  str : String,
  normalizeCase : Boolean = true,
  uppercaseFirstLetter : Boolean = true,
  divideByCamelHumps : Boolean = true,
  wordSeparator : String = " "
) =
  #(normalizeCase, uppercaseFirstLetter, divideByCamelHumps, wordSeparator)


fun box() : String {
    val expected = #(true, true, true, " ")
    if(reformat("", true, true, true, " ") != expected) return "fail"
    if(reformat("", true, true, true) != expected) return "fail"
    if(reformat("", true, true) != expected) return "fail"
    if(reformat("", true) != expected) return "fail"
    if(reformat("") != expected) return "fail"
    return "OK"
}