foo.cpp

gistfile1.cpp

#include <iostream>

using namespace std;

void overloaded(int a) {
  cout << "This is an int: " << a << endl;
}

void overloaded(double a) {
  cout << "This is a double: " << a << endl;
}

void overloaded(string a) {
  cout << "This is a string: " << a << endl;
}


template <class T>
void dispatch(T a) {
  overloaded(a);
}

int main() {
  int a = 5;
  double b = 15.0;
  string c = "hello, world";

  dispatch(a);
  dispatch(b);
  dispatch(c);
}


/**
   Output:

   This is an int: 5
   This is a double: 15
   This is a string: hello, world
**/