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

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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)
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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
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