“to_string” isn't a member of “std”?

Question

Okay, so I have

tmp.cpp:

#include 

int main()
{
    std::to_string(0);
    return 0;
}

But when I try to compile I g

Answer 1

to_string works with the latest C++ versions like version 11. For older versions you can try using this function

#include 
#include 

template 
std::string ToString(T val)
{
    std::stringstream stream;
    stream << val;
    return stream.str();
}

By adding a template you can use any data type too. You have to include #include here.