Pinq\Expressions\ExpressionWalker::walkAssignment PHP Method

    public function walkAssignment(AssignmentExpression $expression)
    {
        return $expression->update($this->walk($expression->getAssignTo()), $expression->getOperator(), $this->walk($expression->getAssignmentValue()));
    }

 public function traverse(ExpressionWalker $walker)
 {
     return $walker->walkAssignment($this);
 }