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