使用访客模式时的匿名或真实类别定义?
原文：Anonymous or real class definition when using visitor pattern?

当你使用访客模式时,以及你需要在访客方法中找到一个变量时,如何去做?

C++:对访问模式的怀疑
原文：C++: doubts about visitor pattern

I know what Visitor Pattern is and how to use it; this question is not a duplicate of this one. I ve got a library where I put most of the reusable code I write, and which I link to most of my ...