구차니의 잡동사니 모음

#include <iostream>
 
template <typename T>
const T& max(const T& x, const T& y)
{
  if(y < x)
    return x;
  return y;
}
 
int main()
{
  // This will call max <int> (by argument deduction)
  std::cout << max(3, 7) << std::endl;
  // This will call max<double> (by argument deduction)
  std::cout << max(3.0, 7.0) << std::endl;
  // This type is ambiguous; explicitly instantiate max<double>
  std::cout << max<double>(3, 7.0) << std::endl;
  return 0;
}