Method safeRemove

output/java_guava/1.4.17/Collections2.java:122–131

Delegates to Collection#remove. Returns false if the remove method throws a ClassCastException or NullPointerException.

(Collection<?> collection, @Nullable Object object)

   */

  static boolean safeRemove(Collection<?> collection, @Nullable Object object) {
    checkNotNull(collection);
    try {
      return collection.remove(object);
    } catch (ClassCastException e) {
      return false;
    } catch (NullPointerException e) {
      return false;
    }
  }

  static class FilteredCollection<E> extends AbstractCollection<E> {
    final Collection<E> unfiltered;