#include "hashtable.h"
#include <string>

/*
         THIS IS NOT A REAL HASH TABLE
         IT IS JUST A CHEAP STAND-IN
*/

struct Link
{ string name;
  int value;
  Link * next;
  Link(string n, int v, Link * x)
  { name = n; value = v; next = x; } };

hashtable::hashtable()
{ first = NULL; }

int * hashtable::find(string s)
{ Link * p = first;
  while (p != NULL)
  { if (p->name == s)
      return & p->value;
    p = p->next; }
  return NULL; }

void hashtable::set(string s, int v)
{ Link * p = first;
  while (p != NULL)
  { if (p->name == s)
    { p->value = v;
      return; }
    p = p->next; }
  first = new Link(s, v, first); }