Contents

object AtbashCipher {
  private def substitute(c: Char) =
    if (c.isDigit) c.toString
    else if (c.isLetter) ('a' + ('z' - c.toLower)).toChar.toString
    else ""

  def encode(s: String): String =
    s.foldLeft("")((acc, c) => acc + substitute(c)).grouped(5).mkString(" ")

  def decode(s: String): String =
    s.foldLeft("")((acc, c) => acc + substitute(c))
}

Version data entries

174 entries across 174 versions & 1 rubygems

Version	Path
trackler-2.2.1.180	tracks/scala/exercises/atbash-cipher/example.scala
trackler-2.2.1.179	tracks/scala/exercises/atbash-cipher/example.scala
trackler-2.2.1.178	tracks/scala/exercises/atbash-cipher/example.scala
trackler-2.2.1.177	tracks/scala/exercises/atbash-cipher/example.scala
trackler-2.2.1.176	tracks/scala/exercises/atbash-cipher/example.scala
trackler-2.2.1.175	tracks/scala/exercises/atbash-cipher/example.scala
trackler-2.2.1.174	tracks/scala/exercises/atbash-cipher/example.scala
trackler-2.2.1.173	tracks/scala/exercises/atbash-cipher/example.scala
trackler-2.2.1.172	tracks/scala/exercises/atbash-cipher/example.scala
trackler-2.2.1.171	tracks/scala/exercises/atbash-cipher/example.scala
trackler-2.2.1.170	tracks/scala/exercises/atbash-cipher/example.scala
trackler-2.2.1.169	tracks/scala/exercises/atbash-cipher/example.scala
trackler-2.2.1.167	tracks/scala/exercises/atbash-cipher/example.scala
trackler-2.2.1.166	tracks/scala/exercises/atbash-cipher/example.scala
trackler-2.2.1.165	tracks/scala/exercises/atbash-cipher/example.scala
trackler-2.2.1.164	tracks/scala/exercises/atbash-cipher/example.scala
trackler-2.2.1.163	tracks/scala/exercises/atbash-cipher/example.scala
trackler-2.2.1.162	tracks/scala/exercises/atbash-cipher/example.scala
trackler-2.2.1.161	tracks/scala/exercises/atbash-cipher/example.scala
trackler-2.2.1.160	tracks/scala/exercises/atbash-cipher/example.scala