C++ 中的列表<字符串>
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List<string> in C++
提问by Mahdi Tahsildari
I'm cool with C# but am new to C++. I searched but found lots of different solutions which mostly do not work maybe because there are different versions of C++.
我对 C# 很酷，但对 C++ 不熟悉。我搜索但发现了许多不同的解决方案，这些解决方案大多不起作用，可能是因为 C++ 的版本不同。
I'm using turbo C++ 4.5, I want something like C#'s List of strings
我正在使用 turbo C++ 4.5，我想要类似 C# 的字符串列表
List<string> s = new List<string>();
s.Add("1");
I know a bit about C++ arrays, but I do not know the count of items at declaration time and that's why I want List-like solution so that I can declare once and add items later.
我对 C++ 数组有所了解，但我不知道声明时的项目数，这就是为什么我想要类似 List 的解决方案，以便我可以声明一次并在以后添加项目。
someone told me I should do it using pointers but I don't know how. Is it possible? or there any ways?
有人告诉我我应该用指针来做，但我不知道怎么做。是否可以？或者有什么办法？
Please if you have an answer explain it cause I really like to learn, thanks.
如果您有答案，请解释一下，因为我真的很喜欢学习，谢谢。
回答by David Heffernan
The equivalent to C# List<T>is std::vector<T>. The C++ code that corresponds to your C# code is this:
相当于 C# 的List<T>是std::vector<T>. 与您的 C# 代码对应的 C++ 代码是这样的：
using namespace std;
....
vector<string> s;
s.push_back("1");
You should not take the advice to write such a class for yourself. Where they are appropriate, always use the standard containers.
您不应该接受建议为自己编写这样的类。在合适的地方，始终使用标准容器。
