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-2.2.1.139	tracks/scala/exercises/binary/example.scala
trackler-2.2.1.138	tracks/scala/exercises/binary/example.scala
trackler-2.2.1.137	tracks/scala/exercises/binary/example.scala
trackler-2.2.1.136	tracks/scala/exercises/binary/example.scala
trackler-2.2.1.135	tracks/scala/exercises/binary/example.scala
trackler-2.2.1.134	tracks/scala/exercises/binary/example.scala
trackler-2.2.1.133	tracks/scala/exercises/binary/example.scala
trackler-2.2.1.132	tracks/scala/exercises/binary/example.scala
trackler-2.2.1.131	tracks/scala/exercises/binary/example.scala
trackler-2.2.1.130	tracks/scala/exercises/binary/example.scala
trackler-2.2.1.129	tracks/scala/exercises/binary/example.scala
trackler-2.2.1.128	tracks/scala/exercises/binary/example.scala
trackler-2.2.1.127	tracks/scala/exercises/binary/example.scala
trackler-2.2.1.126	tracks/scala/exercises/binary/example.scala
trackler-2.2.1.125	tracks/scala/exercises/binary/example.scala
trackler-2.2.1.124	tracks/scala/exercises/binary/example.scala
trackler-2.2.1.123	tracks/scala/exercises/binary/example.scala
trackler-2.2.1.122	tracks/scala/exercises/binary/example.scala
trackler-2.2.1.121	tracks/scala/exercises/binary/example.scala
trackler-2.2.1.120	tracks/scala/exercises/binary/example.scala