public function expr() : Expr
    {
        $expr = new Expr($this->dm);
        $expr->setClassMetadata($this->class);

        return $expr;
    }
public function expr() : Expr
    {
        $expr = new Expr($this->dm);
        $expr->setClassMetadata($this->class);

        return $expr;
    }
public function expr ( ) : Expr { $ expr = new Expr ( $ this -> dm ) ; $ expr -> setClassMetadata ( $ this -> class ) ; return $ expr ; }
Create a new Expr instance that can be used as an expression with the Builder
Create a new Expr instance that can be used as an expression with the Builder