Pinq\Providers\DSL\Compilation\Parameters\ParameterHasher::valueType PHP Method

    public static function valueType()
    {
        return new ValueTypeHasher();
    }

 public function visitOrderBy(Segments\OrderBy $segment)
 {
     foreach ($segment->getOrderings() as $ordering) {
         $this->parameters->addId($ordering->getIsAscendingId(), ParameterHasher::valueType());
     }
     return parent::visitOrderBy($segment);
 }