Stringifying template arguments

c++ templates c-preprocessor metadata stringification
sold picture sold · Sep 28, 2009 · Viewed 26.3k times · Source

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

#define STRINGIFY(x) #x

template <typename T>
struct Stringify
{
     Stringify()
     {
          cout<<STRINGIFY(T)<<endl;
     }
};

int main() 
{
     Stringify<int> s;
}

But what I get is a 'T', and not an 'int'. Seems that the preprocessors kicks in before template resolution.

Is there any other way to do this?

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

Answer

eduffy picture eduffy · Sep 28, 2009

You could try

 typeid(T).name()

Edit: Fixed based on comments.

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