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        其中&符号“&amp;"通过引用传递参数时可以放置吗?

        时间:2023-12-03

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                • 本文介绍了其中&符号“&amp;"通过引用传递参数时可以放置吗?的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着跟版网的小编来一起学习吧!

                  问题描述

                  在我看到的例子中,参数是通过以下方式通过引用传递的:

                  In the examples that I saw the arguments were passed by reference in the following way:

                  void AddOne(int &y)
                  

                  在我拥有的代码中,我看到以下语法:

                  In the code that I have I see the following syntax:

                  void AddOne(int& y)
                  

                  我想知道它是否相同,或者第二种情况与第一种情况有什么不同.

                  I wonder if it is the same or the second case is somehow different from the first one.

                  推荐答案

                  两者完全相同.完全没有区别.

                  Both are exactly the same. No difference at all.

                  重要的是& 应该在type变量 名称之间.空格无所谓.

                  All that matters is that & should be between the type and the variable name. Spaces don't matter.

                  所以

                  void AddOne(int&  y);
                  void AddOne(int  &y);
                  void AddOne(int & y)
                  void AddOne(int   &     y);
                  void AddOne(int&y);
                  

                  都一样!

                  这篇关于其中&符号“&amp;"通过引用传递参数时可以放置吗?的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持跟版网!

                  上一篇:为什么可以将非常量引用参数绑定到临时对象? 下一篇:C++:是否可以使用引用作为映射中的值?

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