import unicode

proc enumToString*(e: enum): string =
  when e.low.ord >= 0 and e.high.ord < 256:
    return $char(e.ord)
  else:
    return $Rune(e.ord)

proc enumToString*(enums: openArray[enum]): string =
  when e.low.ord >= 0 and e.high.ord < 256:
    result = newStringOfCap(enums.len)
  else:
    result = newStringOfCap(enums.len * 2)
  for e in enums:
    result.add(e.enumToString)

iterator stringToEnum*[E: enum](code: string): E =
  when E.low.ord >= 0 and E.high.ord < 256:
    for c in code: yield E(c.ord)
  else:
    for rune in code.runes(): yield E(rune.ord)

proc toSeq*[E: enum](code: string): seq[E] =
  when E.low >= 0 and E.high < 256:
    result = newSeqOfCap(code.len)
  else:
    result = newSeqOfCap(code.len div 2)
  for e in stringToEnum[E](code):
    result.add(e)