Method lastIndexOfImpl

output/java_guava/1.4.18/Lists.java:1112–1124

An implementation of List#lastIndexOf(Object).

(List<?> list, @Nullable Object element)

  static int lastIndexOfImpl(List<?> list, @Nullable Object element) {
           if (list instanceof RandomAccess) {
             return lastIndexOfRandomAccess(list, element);
           } else {
             ListIterator<?> listIterator = list.listIterator(list.size());
             while (listIterator.hasPrevious()) {
               if (Objects.equal(element, listIterator.previous())) {
                 return listIterator.nextIndex();
               }
             }
             return -1;
           }
  }

  private static int lastIndexOfRandomAccess(List<?> list, @Nullable Object element) {
    if (element == null) {