/guava/android/guava/src/com/google/common/collect/Sets.java
final Iterator<? extends E> itr2 = set2.iterator( ) ; final Iterator<? extends E> itr1 = set1.iterator( ) ;return new AbstractIterator<E>( ) {
return new AbstractIterator<E> ( ) { final Iterator<? extends E> itr1 = set1.iterator ( ) ; final Iterator<? extends E> itr2 = set2.iterator ( ) ;
@Override public boolean isEmpty() { return set1.isEmpty() && set2.isEmpty(); } @Override public UnmodifiableIterator<E> iterator() { <extra_id_0> @Override @CheckForNull protected E computeNext() { if (itr1.hasNext()) { return itr1.next(); }