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-2.0.0.5	tracks/scala/exercises/binary/example.scala
trackler-2.0.0.4	tracks/scala/exercises/binary/example.scala
trackler-2.0.0.3	tracks/scala/exercises/binary/example.scala
trackler-2.0.0.2	tracks/scala/exercises/binary/example.scala
trackler-2.0.0.1	tracks/scala/exercises/binary/example.scala
trackler-2.0.0.0	tracks/scala/exercises/binary/example.scala
trackler-1.0.4.1	tracks/scala/exercises/binary/example.scala
trackler-1.0.4.0	tracks/scala/exercises/binary/example.scala
trackler-1.0.3.0	tracks/scala/exercises/binary/example.scala
trackler-1.0.2.1	tracks/scala/exercises/binary/example.scala
trackler-1.0.2.0	tracks/scala/exercises/binary/example.scala
trackler-1.0.1.2	tracks/scala/exercises/binary/example.scala
trackler-1.0.1.1	tracks/scala/exercises/binary/example.scala
trackler-1.0.1.0	tracks/scala/exercises/binary/example.scala
trackler-1.0.0.1	tracks/scala/exercises/binary/example.scala
trackler-1.0.0	tracks/scala/exercises/binary/example.scala