Method removeFirstMatching

output/java_guava/1.4.16/Iterables.java:253–265

Removes and returns the first matching element, or returns null if there is none.

(Iterable<T> removeFrom, Predicate<? super T> predicate)

   */

  @Nullable
  static <T> T removeFirstMatching(Iterable<T> removeFrom, Predicate<? super T> predicate) {
    checkNotNull(predicate);
    Iterator<T> iterator = removeFrom.iterator();
    while (iterator.hasNext()) {
      T next = iterator.next();
      if (predicate.apply(next)) {
        iterator.remove();
        return next;
      }
    }
    return null;
  }

  /**
   * Determines whether two iterables contain equal elements in the same order.