//
// Author:  Robert H. Sloan
// Date:    Sept. 4, 2002
//
// Very short routine demonstrating an STL list<string> being used.  Notice
// that in the print subroutine we must use const_iterator, since the 
// argument is passed by constant reference.
//
///////////////////////////////////////////////////////////////////////////

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

void printList( const list< string > & );


int main()
{
   list< string > list1;	// unspecified length list<string>
   list< string > list2( 10 );	// 10-element list<string>
 
   // print list1 size and contents
   cout << "Size of list list1 is " 
        << list1.size()
        << endl;

   // print list2 size and contents
   cout << endl << "Size of vector list2 is " 
        << list2.size()
        << endl;


   // Store stuff in list 1
   list1.push_front("The");
   list1.push_back("Cat");
   list1.push_back("in");
   list1.push_back("the");
   list1.push_back("hat");
   

   cout << endl << "After putting stuff in, list1 size is:" << endl
	<< list1.size() << endl;

   // use overloaded inequality (!=) operator
   cout << endl << "Evaluating: list1 != list2" << endl;

   if ( list1 != list2 )
      cout << "list1 and list2 are not equal" << endl;

   // Printing out list with subroutine using iterator
   cout << "Here is contents of list 1." << endl;
   printList( list1 );

   return 0;

} // end main


void printList( const list< string > & l)
{
  list<string>::const_iterator itr = l.begin();
  
  while (itr != l.end())
    {
      cout << *itr << endl;
      itr++;
    }
}