Eris\Generator\GeneratedValue::unbox PHP Method

    public function unbox()
    {
        return $this->value;
    }

 private function predicate(GeneratedValue $value)
 {
     if ($this->filter instanceof PHPUnit_Framework_Constraint) {
         try {
             $this->filter->evaluate($value->unbox());
             return true;
         } catch (PHPUnit_Framework_ExpectationFailedException $e) {
             return false;
         }
     }
     if (is_callable($this->filter)) {
         return call_user_func($this->filter, $value->unbox());
     }
     throw new LogicException("Specified filter does not seem to be of the correct type. Please pass a callable or a PHPUnit_Framework_Constraint instead of " . var_export($this->filter, true));
 }