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-2.0.8.15	tracks/scala/exercises/binary/example.scala
trackler-2.0.8.14	tracks/scala/exercises/binary/example.scala
trackler-2.0.8.13	tracks/scala/exercises/binary/example.scala
trackler-2.0.8.12	tracks/scala/exercises/binary/example.scala
trackler-2.0.8.11	tracks/scala/exercises/binary/example.scala
trackler-2.0.8.10	tracks/scala/exercises/binary/example.scala
trackler-2.0.8.9	tracks/scala/exercises/binary/example.scala
trackler-2.0.8.8	tracks/scala/exercises/binary/example.scala
trackler-2.0.8.7	tracks/scala/exercises/binary/example.scala
trackler-2.0.8.6	tracks/scala/exercises/binary/example.scala
trackler-2.0.8.5	tracks/scala/exercises/binary/example.scala
trackler-2.0.8.4	tracks/scala/exercises/binary/example.scala
trackler-2.0.8.3	tracks/scala/exercises/binary/example.scala
trackler-2.0.8.2	tracks/scala/exercises/binary/example.scala
trackler-2.0.8.1	tracks/scala/exercises/binary/example.scala
trackler-2.0.7.0	tracks/scala/exercises/binary/example.scala
trackler-2.0.6.44	tracks/scala/exercises/binary/example.scala
trackler-2.0.6.43	tracks/scala/exercises/binary/example.scala
trackler-2.0.6.42	tracks/scala/exercises/binary/example.scala
trackler-2.0.6.41	tracks/scala/exercises/binary/example.scala