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trait A[@specialized(Int) K, @specialized(Double) V] {
def doStuff(k: K, v: V): Unit = sys.error("I am overridden, you cannot call me")
}
trait B[@specialized(Double) V] extends A[Int, V] {
override def doStuff(k: Int, v: V): Unit = println("Hi - I'm calling doStuff in B")
}
object Test {
def main(args: Array[String]): Unit = delegate(new B[Double]() {}, 1, 0.1)
def delegate[@specialized(Int) K, @specialized(Double) V](a: A[K, V], k: K, v: V) {
a.doStuff(k, v)
}
}
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