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trait Base[B] {
def data: AnyRef;
}
class Suba[@specialized B](override val data: Array[B]) extends Base[B] {
assert(data != null)
}
class Subopt[@specialized B](override val data: Option[B]) extends Base[B] {
assert(data != null)
}
object Test {
def main(args: Array[String]) {
val ss = new Suba[String](Array(""))
val si = new Suba[Int](Array(0))
new Subopt[Int](Some(0))
}
}
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