Sha256: 4d7f4b6a01ca5c0516d877efe48f13f6952cd18534f201270fe309700702acf8

Contents?: true

Size: 349 Bytes

Versions: 396

Compression:

Stored size: 349 Bytes

Contents

object Hexadecimal {
  private val hexChars  = 'a' to 'f'

  def hexToInt(s: String): Int =
    s.foldLeft(Some(0): Option[Int]){case (acc, c) => accumulate(acc, c)}.getOrElse(0)

  private def accumulate(acc: Option[Int], c: Char) =
    if (c.isDigit || (hexChars contains c.toLower))
      acc.map(x => c.asDigit + (x * 16))
    else
      None
}

Version data entries

396 entries across 396 versions & 1 rubygems

Version Path
trackler-2.2.1.78 tracks/scala/exercises/hexadecimal/example.scala
trackler-2.2.1.77 tracks/scala/exercises/hexadecimal/example.scala
trackler-2.2.1.76 tracks/scala/exercises/hexadecimal/example.scala
trackler-2.2.1.75 tracks/scala/exercises/hexadecimal/example.scala
trackler-2.2.1.74 tracks/scala/exercises/hexadecimal/example.scala
trackler-2.2.1.73 tracks/scala/exercises/hexadecimal/example.scala
trackler-2.2.1.72 tracks/scala/exercises/hexadecimal/example.scala
trackler-2.2.1.71 tracks/scala/exercises/hexadecimal/example.scala
trackler-2.2.1.70 tracks/scala/exercises/hexadecimal/example.scala
trackler-2.2.1.69 tracks/scala/exercises/hexadecimal/example.scala
trackler-2.2.1.68 tracks/scala/exercises/hexadecimal/example.scala
trackler-2.2.1.67 tracks/scala/exercises/hexadecimal/example.scala
trackler-2.2.1.66 tracks/scala/exercises/hexadecimal/example.scala
trackler-2.2.1.65 tracks/scala/exercises/hexadecimal/example.scala
trackler-2.2.1.64 tracks/scala/exercises/hexadecimal/example.scala
trackler-2.2.1.63 tracks/scala/exercises/hexadecimal/example.scala
trackler-2.2.1.62 tracks/scala/exercises/hexadecimal/example.scala
trackler-2.2.1.61 tracks/scala/exercises/hexadecimal/example.scala
trackler-2.2.1.60 tracks/scala/exercises/hexadecimal/example.scala
trackler-2.2.1.59 tracks/scala/exercises/hexadecimal/example.scala