exercism

2016-05-25

• hello world - 정진욱(jwChung)
• bob - 최정렬

class Bob {
  def hey(arg: String): String = {
    
    def isYelling(s: String) = !s.filter(_.isLetter).isEmpty() && s.toUpperCase() == s
    
    arg.trim match {
      case ""                           => "Fine. Be that way!"
      case s: String if isYelling(s)    => "Whoa, chill out!"
      case s: String if s.endsWith("?") => "Sure."
      case _                            => "Whatever."
    }
  }
}