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-2.0.8.36	tracks/scala/exercises/binary/example.scala
trackler-2.0.8.35	tracks/scala/exercises/binary/example.scala
trackler-2.0.8.34	tracks/scala/exercises/binary/example.scala
trackler-2.0.8.33	tracks/scala/exercises/binary/example.scala
trackler-2.0.8.32	tracks/scala/exercises/binary/example.scala
trackler-2.0.8.31	tracks/scala/exercises/binary/example.scala
trackler-2.0.8.30	tracks/scala/exercises/binary/example.scala
trackler-2.0.8.29	tracks/scala/exercises/binary/example.scala
trackler-2.0.8.28	tracks/scala/exercises/binary/example.scala
trackler-2.0.8.27	tracks/scala/exercises/binary/example.scala
trackler-2.0.8.26	tracks/scala/exercises/binary/example.scala
trackler-2.0.8.24	tracks/scala/exercises/binary/example.scala
trackler-2.0.8.23	tracks/scala/exercises/binary/example.scala
trackler-2.0.8.22	tracks/scala/exercises/binary/example.scala
trackler-2.0.8.21	tracks/scala/exercises/binary/example.scala
trackler-2.0.8.20	tracks/scala/exercises/binary/example.scala
trackler-2.0.8.19	tracks/scala/exercises/binary/example.scala
trackler-2.0.8.18	tracks/scala/exercises/binary/example.scala
trackler-2.0.8.17	tracks/scala/exercises/binary/example.scala
trackler-2.0.8.16	tracks/scala/exercises/binary/example.scala