是的，这是预期的和设计的。

Yes that is expected and by design.

您的问题基本上是： foo 参考 bar 作为指针或引用会用另一种语言吗？

Your question is basically: does foo reference bar as a pointer or reference would in another language?

答案是否定的：栏的值 在转让时被分配到 foo 。