带点的Const变量 [英] Const variable with dot

问题描述

美好的一天，



我想问...



我遇到了这段代码我试着跑......他们说已经有了......但是我遇到了一个错误..

Hi Good Day,

I would like to ask..

I met this code and I tried to run... they say it is already working.. but I encountered an error..

const string my.var  = " "; 

我在Visual Studio中遇到错误，但我的同事告诉我它正在运行..我只是想不出来...



请帮忙。谢谢。



我尝试过：



已经研究过const变量名带点..但找不到任何..



+++

使用VS 2013 Express时没有错误，错误在VS 2012或2015上。

I encountered an error in Visual Studio, but my colleagues told me that it is working.. I just can't figure it out...

Please help. Thanks.

What I have tried:

Already researched about const variable name with dot.. but can't find any..

+++
No error when using VS 2013 Express, Errors on VS 2012, or 2015.

推荐答案

Dot不是符号中的有效字符（例如变量名称）。它代表会员运营商。所以 my.var 读作对象/结构的成员 var 无论我的。

"Dot" is not a valid character in a symbol (such as a variable name). It represents the membership operator. So my.var reads as "the member var of object/struct/whatever my ".

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