Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Welcome To Ask or Share your Answers For Others

Categories

0 votes
253 views
in Technique[技术] by (71.8m points)

c++ - Stringify template arguments

Is it possible in C++ to stringify template arguments? I tried this:

#include <iostream>
#define STRINGIFY(x) #x
 
template <typename T>
struct Stringify
{
     Stringify()
     {
          std::cout << STRINGIFY(T) << endl;
     }
};
 
int main() 
{
     Stringify<int> s;
}

But what I get is a T, and not an int. Seems that the preprocessor macros are evaluated before template instantiation.

Is there any other way to do this?

Is there any way for the preprocessing to take place after template instantiation? (Compiler is VC++).

question from:https://stackoverflow.com/questions/1488186/stringify-template-arguments

与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
Welcome To Ask or Share your Answers For Others

1 Answer

0 votes
by (71.8m points)

You could try

 typeid(T).name()

Edit: Fixed based on comments.


与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question

...