How to use

Filterator

in

com.oracle.truffle.dsl.processor.util

public T next() {
  T foundCached = getCached();
  if (foundCached != null) {
    return foundCached;
  } else {
    nextValue();
    if (!hasCached) {
      throw new NoSuchElementException();
    }
    return getCached();
  }
}

public boolean hasNext() {
  if (hasCached) {
    return true;
  }
  nextValue();
  return hasCached;
}

public Iterator<E> iterator() {
  return new Filterator<>(delegate.iterator(), containedPredicate);
}

public boolean hasNext() {
  if (hasCached) {
    return true;
  }
  nextValue();
  return hasCached;
}

public Iterator<E> iterator() {
  return new Filterator<>(delegate.iterator(), containedPredicate);
}

public T next() {
  T foundCached = getCached();
  if (foundCached != null) {
    return foundCached;
  } else {
    nextValue();
    if (!hasCached) {
      throw new NoSuchElementException();
    }
    return getCached();
  }
}