Eris\Generator\ConstantGenerator::shrink PHP Method

    public function shrink(GeneratedValue $element)
    {
        if (!$this->contains($element)) {
            throw new DomainException($element . ' does not belong to the domain of the constant value ' . $this->value . '.');
        }
        return GeneratedValue::fromJustValue($this->value, 'constant');
    }