public function reduceRight(callable $callable, $initial = null)
    {
        $reverse = array_reverse($this->items);

        return array_reduce($reverse, $callable, $initial);
    }
public function reduceRight(callable $callable, $initial = null)
    {
        $reverse = array_reverse($this->items);

        return array_reduce($reverse, $callable, $initial);
    }
{@inheritdoc}