/* list.cpp
 * Date: 2021-11-20
 * Author: Aryadev Chavali
 */

#include <cstdio>
#include <iostream>
#include <cstdlib>

template <typename T>
struct List
{
  T value;
  struct List<T> *next;
};

template <typename T>
List<T> *append(List<T> *lst, T value)
{
  List<T> *node;
  if (lst == NULL)
  {
    node        = new List<T>;
    node->value = value;
    node->next  = NULL;
    return node;
  }

  for (node = lst; node->next != NULL; node = node->next)
    continue;

  node->next        = new List<T>;
  node->next->value = value;
  node->next->next  = NULL;
  return lst;
}

template <typename T>
std::ostream& operator<<(std::ostream& ostream, const List<T> *lst)
{
  if (lst == NULL)
    return ostream;
  ostream << "|" << lst->value << lst->next;
  return ostream;
}

int main(void)
{
  return 0;
}