//  A1_2.cpp

#include <iostream>
#include <sstream>
#include <string>
#include <cstdlib>
using namespace std;

template <class T> string concat(const string &s, T t) {
  ostringstream temp;
  temp << s.c_str() << " " << t << ends;
  return temp.str();
}

/*
template <class T> string concat(const string &s, const T &t) {
  char buffer[17];
  string temp = s;
  if(typeid(t).name()==string("int")) {
    _itoa(t,buffer,10);
    temp += buffer;
    return temp;
  }
  if(typeid(t).name()==string("float") 
    || typeid(t).name()==string("double")) {
    _gcvt(t,10,buffer);
    temp += buffer;
    return temp;
  }
  return "";
}
*/
void main() {

  string s1 = concat("this is an integer: ",-3);
  cout << "\n  " << s1.c_str();

  string s2 = concat("this is a double: ", 3.3333e-3);
  cout << "\n  " << s2.c_str() << "\n\n";
}