SpareParts / Enum

     * @param int $values A number representing a bit mask

     * @return ISet

     */

    public function convertToEnumSet($values) : ISet

    {

        $bitValue = (int) $values;

        $set = [];

        foreach ($this->mapping as $value => $bit) {

            if ($bitValue & $bit) {

                $set[] = call_user_func([$this->enumClass, 'instance'], $value);

            }

        }

        return new ImmutableSet($this->enumClass, $set);

    }

    public function convertFromEnumSet(ISet $enumSet): int

    {

     * @param string $serialized

     * @return ImmutableSet

     */

    public function convertToEnumSet($serialized): ISet

    {

        $serialized = (string) $serialized;

        $stringList = unserialize($serialized);

        $set = [];

        foreach ($stringList as $value) {

            $set[] = call_user_func([$this->enumClass, 'instance'], $value);

        }

        return new ImmutableSet($this->enumClass, $set);

    }

    public function convertFromEnumSet(ISet $enumSet): string

    {