Runtime symbols

main.cpp

#include <iostream>

using namespace std;

template<typename T>
T make_symbol(T value, string metadata);

template<typename T>
string get_symbol_for(T value);

void printString(string str) {
  cout << str << endl;
  string metadata = get_symbol_for(str);
  cout << metadata << endl;
}

int main() {
  string greeting = make_symbol("hello", "xyz");
  printString(greeting);
  return 0;
}