File: t6675.scala

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scala 2.11.12-6
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file content (13 lines) | stat: -rw-r--r-- 321 bytes parent folder | download | duplicates (4) 
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object X {
  def unapply(s: String): Option[(Int,Int,Int)] = Some((1,2,3))
}

object Y {
  def unapplySeq(s: String): Option[Seq[(Int,Int,Int)]] = Some(Seq((1,2,3)))
}

object Test {
  "" match { case X(b) => b } // should warn under -Xlint. Not an error because of SI-6111

  "" match { case Y(b) => b } // no warning
}