Contents

case class Binary(s: String) {
  val toDecimal: Int = s.foldLeft[Option[Int]](Some(0)){
    case (Some(acc), '0') => Some(acc * 2)
    case (Some(acc), '1') => Some(acc * 2 + 1)
    case _ => None
  }.getOrElse(0)
}

Version data entries

396 entries across 396 versions & 1 rubygems

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