simple_function_templates.cpp

simple_function_templates.cpp

// CPP program to demonstrate simple function template.
#include <iostream>

using namespace std;

template <typename T>
T my_max(T a, T b) {
    return ((a > b)?a:b);
}

int main(int argc, char ** argv) {

  // Finding max between two integers of unsigned 16 bit.
  uint16_t a = 10, b = 23;

  cout << "Max of a(" << a << ") and b(" << b << ") is " << my_max(a, b) << endl;

  // Finding max between two integers of unsigned 32 bit.
  // Important note is that, compiler internally generates two different functions
  // for type uint16_t and uint32_t, though both are just variations of type interger.
  uint32_t p = 23232, q = 43433;

  cout << "Max of p(" << p << ") and q(" << q << ") is " << my_max(p, q) << endl;

  // float data type..
  float f = 12.34, g = 34.45;

  cout << "Max of f(" << f << ") and g(" << g << ") is " << my_max(f, g) << endl;

  return 0;
}