how to use templates in c++ code example

Example 1: c++ template function

template <class T>
void swap(T & lhs, T & rhs)
{
 T tmp = lhs;
 lhs = rhs;
 rhs = tmp;
}

Example 2: how to create a c++ templeate

template <class myType>
myType GetMax (myType a, myType b) {
 return (a>b?a:b);
}

Example 3: c++ template

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


int main() {

  
}