Extractor.kt

object Extractor {
  
  fun extractData(input: String): CardDetails {
    val lines = input.split("\n")
    val owner = extractOwner(lines)
    val number = extractNumber(lines)
    val (month, year) = extractExpiration(lines)
    return CardDetails(
      owner = owner,
      number = number,
      expirationMonth = month,
      expirationYear = year
    )
  }
}