C++ Templates with default params

Output

Type is... int
Type is... char
Type is... float
Type is... double
Type is... long
Type is... short
Type is... int
Type is... double

test.cc

#include <iostream>
#include <string>

using std::cout;
using std::endl;
using std::string;

void printType(double) {
  cout << "double";
}

void printType(float) {
  cout << "float";
}

void printType(short) {
  cout << "short";
}

void printType(int) {
  cout << "int";
}

void printType(long) {
  cout << "long";
}

void printType(char) {
  cout << "char";
}

void printType(long long) {
  cout << "long long";
}

template<typename T>
void foobar(T t = 0) {
	cout << "Type is... ";
  printType(t);
  cout << endl;
}

int main() {
  foobar(2);
  foobar('a');
  foobar(2.3f);
  foobar(2.3);
  foobar(2l);
  foobar((short)2);
  foobar<int>();
  foobar<double>();
}