How to use

unwrap

method

in

com.oracle.truffle.api.instrumentation.InstrumentationHandler$AbstractAsyncCollection

private R queueNext() {
  int localIndex = index;
  AtomicReferenceArray<T> array = values;
  while (true) {
    if (localIndex >= array.length()) {
      return null;
    }
    T localValue = array.get(localIndex);
    if (localValue == null) {
      return null;
    }
    localIndex++;
    R alive = unwrap(localValue);
    if (alive == null) {
      continue;
    }
    index = localIndex;
    return alive;
  }
}

private R queueNext() {
  int localIndex = index;
  AtomicReferenceArray<T> array = values;
  while (true) {
    if (localIndex >= array.length()) {
      return null;
    }
    T localValue = array.get(localIndex);
    if (localValue == null) {
      return null;
    }
    localIndex++;
    R alive = unwrap(localValue);
    if (alive == null) {
      continue;
    }
    index = localIndex;
    return alive;
  }
}

  break;
if (unwrap(ref) != null) {
  liveElements++;
  break;
if (unwrap(ref) != null) {
  newValues.set(index++, ref);

  break;
if (unwrap(ref) != null) {
  liveElements++;
  break;
if (unwrap(ref) != null) {
  newValues.set(index++, ref);