code: public static <T> boolean contains(final Iterable<T> iterable, final T value) {
          return any(iterable, Predicates.isEqual(value));
      }
docs: Does an iterable contain a value as determined by Object.isEqual(Object, Object).
  
  @param iterable the iterable
  @param value    the value
  @param <T>      the type of the iterable and object
  @return true if iterable contain a value as determined by Object.isEqual(Object, Object).