Method endOfData

output/java_guava/1.4.19/AbstractIterator.java:136–140

Implementations of #computeNext must invoke this method when there are no elements left in the iteration. @return null; a convenience so your computeNext implementation can use the simple statement return endOfData();

()

   */

  @CanIgnoreReturnValue
  protected final T endOfData() {
    state = State.DONE;
    return null;
  }

  @CanIgnoreReturnValue // TODO(kak): Should we remove this? Some people are using it to prefetch?
  @Override