Scalaのコード一覧 | ページ 2 | Codetter（こーどったー）

scala> def join(separator:String = ":", xs:Int*) = xs.mkString(separator)
<console>:5: error: a parameter section with a `*'-parameter is not allowed to have default arguments
       def join(separator:String = ":", xs:Int*) = xs.mkString(separator)

scala> Long.MaxValue.toHexString.map{_ + 12298 toChar}.mkString
res0: String = ぁばばばばばばばばばばばばばばば