Contents

object Bob {
  def response(statement: String): String = statement match {
    case ShoutingQuestion() => "Calm down, I know what I'm doing!"
    case Shouting() => "Whoa, chill out!"
    case Question() => "Sure."
    case Silence() => "Fine. Be that way!"
    case _ => "Whatever."
  }

  case object ShoutingQuestion {
    def unapply(statement: String) =
      hasLetter(statement) && isOnlyUppercase(statement) &&
        statement.trim.endsWith("?")

    private def hasLetter(s: String) = s.matches(".*[A-Z].*")

    private def isOnlyUppercase(s: String) = s == s.toUpperCase
  }

  case object Shouting {
    def unapply(statement: String) =
      hasLetter(statement) && isOnlyUppercase(statement)

    private def hasLetter(s: String) = s.matches(".*[A-Z].*")

    private def isOnlyUppercase(s: String) = s == s.toUpperCase
  }

  case object Question {
    def unapply(statement: String) = statement.trim.endsWith("?")
  }

  case object Silence {
    def unapply(statement: String) = statement.trim.isEmpty
  }
}

Version data entries

74 entries across 74 versions & 1 rubygems

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