private def hexToInt()

in atlas-core/src/main/scala/com/netflix/atlas/core/model/ItemId.scala [120:127]


  private def hexToInt(c: Char): Int = {
    c match {
      case _ if c >= '0' && c <= '9' => c - '0'
      case _ if c >= 'a' && c <= 'f' => c - 'a' + 10
      case _ if c >= 'A' && c <= 'F' => c - 'A' + 10
      case _                         => throw new IllegalArgumentException(s"invalid hex digit: $c")
    }
  }