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object Test {
import scala.collection.{ mutable, immutable, generic }
def checkIdentity[A](xs: immutable.IndexedSeq[A]) = assert(xs.toIndexedSeq eq xs)
def main(args: Array[String]): Unit = {
checkIdentity(immutable.Vector(1 to 10: _*))
checkIdentity(1 to 10 toIndexedSeq)
}
}
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